AirNav Systems Forum
AirNav RadarBox and RadarBox24.com => AirNav RadarBox and RadarBox24.com Discussion => Topic started by: daveg4otu on May 16, 2009, 05:48:24 PM
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Those reading the ongoing threads will know that I have a reoccurrence of the "antenna static loss of signal/ blown filters" (or whatever) - problem.
So...trying to minimise the risk of further failures when the box eventually returns after repair , I'm looking at the earthing situation.
The setup is a MD1105 Mag mount antenna on a biscuit tin lid - on a brick plinth a couple of feet high on flat roof.
How best to earth this...any practical ideas ...and please don't suggest fitting masthead preamps- I already have (normally) a 200 mile range so don't need the signal amplification and can't afford it anyway.
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Magmounts are used on car boots/roofs just as much, if not more, than on the biscuit tin lid type ground planes and wind effect will be considerably more on a moving vehicle.
Where does that leave us with the earthing question for a receiver perched on the passenger seat?
I'm a bit at sea here.
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Glad I'm not the only one!
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Explaining again this static problem is related to a very limited number of boxes manufactured before Aug 2008.
The problem WILL NOT happen to any box made after that date. Also all the boxes that are returned come totally protected against static (a new electronic device is added for free).
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Do you have a serial no. range rather than a date?
Some dealers can have boxes in stock for a month or so!!!
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Explaining again this static problem is related to a very limited number of boxes manufactured before Aug 2008.
I'm not doubting your word but that would seem to indicate that , if this is the problem , then certain concerns arise.....
1:Mine - delivered to me(brand new ) 3 weeks ago must have been on someones shelf a very long time.
2:If the fix is done for all returned boxes - how come mine has now failed again a week after return from "fixing"
3:If the fix protects , and new manufacture boxes don't have this problem , then presumably worries about earthing out antenna are groundless(Pun intended!)
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Maintaining our way of being totally transparent to our users (you will not find any company doing this nowadays) and from our statistic report:
Serial Numbers:
000001 to 01750: 37 units returned and repaired on a total of 1750 (2.1% of the units). Units over S/N 101500 are protected against static.
10001 to 15000: 2 units returned on a total of 3000 sold. (0.07% return rate).
Hope you find this interesting.
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Dave: "1:Mine - delivered to me(brand new ) 3 weeks ago must have been on someones shelf a very long time."
This is of course your case. The static problem only happens in very specific atmospheric conditions.
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The statistics are impressive - no denying that .... sadly that still doesn't answer the question of why this one is playing up or why it appears to have a comparitively early serial number in the "Good" batch given it's late delivery(to me).
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My number is within 30 of daveg4otu ANRB104xx
New filter fitted in February and another fitted in April. Supplied aerial only inside house or on outside window sill.
Hope it helps your stats.
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Dave/Bratters: Our support will be contacting you right now by email. Stby.
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AirNav Development, many thanks for being open enough to post the serial number series. But, I for one, am totally confused, my RB marked with the orange circle 2009 software is 6 months old, and has a 5 digit number ANRBXXXX (I don't see any security problem in disclosing my ser. no.) - do I assume this to be one of the 10001 - 15000 batch.
Quoting from your reply above
Serial Numbers:
000001 to 01750: 37 units returned and repaired on a total of 1750 (2.1% of the units). Units over S/N 101500 are protected against static.
10001 to 15000: 2 units returned on a total of 3000 sold. (0.07% return rate).
there would appear to be some confusion in your numbering system, 000001 (6 digits) to 01750 (5 digits), can you add the manufacturing dates for the different batches of serial numbers please.
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Yours is the later batch which has the increased protection. It should be 001750 not 01750.
Simpler way if it 1 after ANRB, its the newer batch.
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I'll bump this in the hope that someone may be inclined to answer my original question ...how best to earth a magmount antenna.
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Hi
Data
ANRBXXX
Home made dipole at 40 feet.
No problems to date.
Dudley
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I can't help you daveg but i'm also waiting for the answer
Colin
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Yes - nobody seems to want to risk their necks with a constructive answer....
I have my own ideas - but just wondered what anyone else might offer.
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I am a liitle concerned about the static problem as I appear to have a unit that is not protected ANRBXXX,it is mounted in the loft but if I want to go mobile I am a bit worried that static could damage it, is there any divice tha can be put in-line from anntena to box that can protect it.(apart from earth cable)
Also now we have an idea of the batches that are not protected could it not make the resale of these very difficult,not that I am going to sell my beloved box.
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Yours is the later batch which has the increased protection. It should be 001750 not 01750.
Simpler way if it 1 after ANRB, its the newer batch.
Many thanks for the prompt and individual response AND, re-assuring.
Hi Dave, as far as I've ever been aware, there is no effective way of grounding a magmount on a car, and these are the most likely to build up a friction induced static charge, especially in very dry conditions - moving vehicles on insulating tyres, often with plastic body panels - we've all experienced the zaps on getting out of a car. It seems to me that AN are trying to get us chasing shadows - a thought on the practical side of things, are these plastic/epoxy paint coatings on the whips causing static build ups that wouldn't occur with exposed metal - who remembers creating huge static charges in the physics lab. by rubbing one material (usually synthetics) with something else - the nylon slips (petticoats) that produced their own mini Aurora displays..............
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Please do not post your serials online (it is a risk). You can work out from the above posts by us and Development what batch it is.
To again reiterate we are talking about minority of people who have been affected.
Regardless what batch you are in, you should take steps to limit static build up.
There are few threads about this on the forum at the moment and a lot of questions are being repeated, to save us repeaing ourselves have a quick of read of them.
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Yes - nobody seems to want to risk their necks with a constructive answer....
I have my own ideas - but just wondered what anyone else might offer.
Dave, is there absolutely no chance of knocking a couple of thin grounding stakes into the floor around the walls of your house - the 1m B&Q earthing rods are ok or are you in a difficult situation such as an upper floor apartment?
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Just “the other way round“ John and Dave : It is YOU that “gathers static charge” and “discharges” to earth” by touching the car’s metal frame (Zap!), the latter beeing “tightened to ground” via the car’s tires, that are not “insulators” anymore as compared to earlier times, when a “ conducting strap” sometimes had been attached to the car frame in order to deplete its static build up to ground as one or the other might remember.
Nowadays, “conductive additives” as part of the tire’s building materials prevent a car itself to charge up.
A solution for grounding a Magmount might be a wire, attached to the (metal) outer connector (just at the input of the ANRB) by means of an alligator clip or similar. The lead then attached to a metal part of the car’s frame by another clip. (“Intuition” requested).
I have been involved in endless discussions regarding static problems with ANRB, getting tired finally, to be honest. Now feeling at least somewhat satisfied, that AirNav approaches it
in a serious manner, (beside of “DC Blocks” and other useless “solutions”) even resulting in a modifications of the receiver, that will solve the issue most hopefully.
Regards
Karl
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Checker- I was thinking along those lines - I have the MD1105 Magmount feeding the box via a BNC/SMA adaptor- nice metal surface - and a clip with cable from there seems the obvious and hopefully efficient way....take the cable to an earth rod outside the house.
Wal2T - yes I can whack an earth rod in about six feet away from the box- and bolt the earth cable to it no problems - just will have to cut a groove in the concrete path to drop the cable into(to stop Mrs G4OTU falling over it ).
There is a discussion on someone with similar problems on another site where it has been suggested hooking the earth wire (from coax shield) directly to the domestic earth - this I think may not be a safe idea.
Moving from the coax to the ground plane (Metal tin)...does anyone see any point in earthing that ?- after all there is no direct electrical connection to the antenna as the magmount itself is encased ina rubber "boot"...the only connection is capacative.
Opinions on the back of a £10 note please!
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Hi Dave, using the mains earth for radio and similar equipment is always said to be an absolute No No - PME and interference problems, similarly, how many houses now have a mains water supply using metal pipes, not very many. That used to be a very good and effective earth. As I referred to in another post (by Dave, I think) the current issue of Radio User mag. features a "water drill" type of technique using copper water pipe to form a permanent earth, may well be worth exploring.
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Checker- I was thinking along those lines - I have the MD1105 Magmount feeding the box via a BNC/SMA adaptor- nice metal surface - and a clip with cable from there seems the obvious and hopefully efficient way....take the cable to an earth rod outside the house.
Excellent !!!
Karl
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Moving from the coax to the ground plane (Metal tin)...does anyone see any point in earthing that ?- after all there is no direct electrical connection to the antenna as the magmount itself is encased ina rubber "boot"...the only connection is capacative.
Is the coax fixed to the magmount, or attached by a connector? Unfortunately I'm not familiar with the supplied magmount.
If a "fixed coax": No chance! Why then not purchase an external antenna ?
Karl
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No the coax is seperate- but the outer end is nicety encased in a weatherproof rubber shield so the obvious point to use is the inner(box) end .
Jon...yes - in this instanceI was thinking of high voltage spikes that can occur on an earth in the event of failure of some other piece of household equipment.
With Transmitters or TX/RX I have never connected them to the domestic earth in any way - using the domestic earth is one good way of generating RFI.
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aren't the cold water and gas pipes in most houses is earth tied. I don't suggest that everybody uses the rb in the bathroom etc but it saves driving a stake into you property
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aren't the cold water and gas pipes in most houses is earth tied. I don't suggest that everybody uses the rb in the bathroom etc but it saves driving a stake into you property
Hi Malc, no, the water pipes and CH radiators are electrically connected to the common mains electric earth - this is done for safety and prevention of mains electric shock, the mains water for most houses arrives through black or blue polyurethane pipes, water boards are now (AFAIK) only using blue plastic pipe to lay/reline new mains. When the mains water was in cast iron, steel or lead pipes, these formed a very effective earth mats
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It is YOU that “gathers static charge” and “discharges” to earth” by touching the car’s metal frame (Zap!),
Yes Karl, I would agree to the extent, that the body is carrying a different potential to the car's metal bodywork, but this happens with synthetic cloth seats and clothing mainly
the latter beeing “tightened to ground” via the car’s tires, that are not “insulators” anymore as compared to earlier times, when a “ conducting strap” sometimes had been attached to the car frame in order to deplete its static build up to ground as one or the other might remember.
Nowadays, “conductive additives” as part of the tire’s building materials prevent a car itself to charge up.
The black in car tyre rubber used to be high carbon content, which did act as a bit of a conductor to earth, but some tyres today have virtually 0% rubber or carbon, but are long chain polymers derived from oil products (ie plastics/synthetics, as is also used in a crap road surface material SMA - Synthetic Mastic Asphalt - which is causing problems of its own!). Try putting a multimeter across a tyre, that's such one heck of a conductor, I'm surprised it isn't used instead of copper! - overhead high voltage cables are usually high aluminium content - much lighter than copper, a lot less stretchy and almost as efficient a conductor. Anyway, back to the post, in wet weather, you don't get these static build up and violent discharges on cars. You will more often than not notice a zp when it's very dry weather, especially when having driven across a field of dry earth and grass - had one last year at the Great Dorset Steam Fair! Long before plastic static discharge straps were thought up (around the same time as velour and synthetic cloth materials took over the car upholstery world from rexine and leathercloth - I tend to only buy cars with leather seats to avoid the static problems - I remember when a length of drain plug chain would be attached to the exhaust or the vehicle's chassis or bodywork to "earth" it, to prevent car/travel sickness![/quote]
A solution for grounding a Magmount might be a wire, attached to the (metal) outer connector (just at the input of the ANRB) by means of an alligator clip or similar. The lead then attached to a metal part of the car’s frame by another clip. (“Intuition” requested).
This problem doesn't exhibit itself with car radios, so actually maintaining the "earth" side of an RB at the vehicle's potential could well be an effective solution.
I have been involved in endless discussions regarding static problems with ANRB, getting tired finally, to be honest. Now feeling at least somewhat satisfied, that AirNav approaches it
in a serious manner, (beside of “DC Blocks” and other useless “solutions”) even resulting in a modifications of the receiver, that will solve the issue most hopefully.
No-one is twisting your arm to join in this thread, you but must find it of some interest or you wouldn't have!
Following from my comment above, in a domestic house, a proper RF earth would seem to be a good answer, these boxes are being run off totally isolated power supplies, and are not earthed in any way as they come - they have -ve and +ve supplied by the computer, totally isolated electrically, I know I've repeated myself, but it's only just sinking into my dense brain! AN themselves have been putting forward this "static" damage problem - I'd venture to suggest that it is the isolated potential nature of the RB which is causing the trouble and agree that a properly earthed wire to the case will prove to be the solution, be it to an RF ground earth or vehicle's bodywork. Sorry if this seems like wading through treacle,but I've spent the afternoon thinking about it, and the electrically insulated nature of the box (and PCs for that matter) has only just struck me, desktop PC metal cases are earthed to prevent shock (and provide RFI screening), but the power supplies within have no connection to earth.
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Hi Dave, using the mains earth for radio and similar equipment is always said to be an absolute No No - PME and interference problems, similarly, how many houses now have a mains water supply using metal pipes, not very many. That used to be a very good and effective earth. As I referred to in another post (by Dave, I think) the current issue of Radio User mag. features a "water drill" type of technique using copper water pipe to form a permanent earth, may well be worth exploring.
I'm editing this post as I've just realised I'm verbalising out of my anal sphyncter and must correct the misinformation - the article referred to above in my reply 23 as in the current issue of RadioUser is WRONG - the article referred to does exist in the May issue of a monthly - Monitoring Monthly which features an interesting article Called Hands on ... with Clive Hardy - Low Noise Reception with the earth jet - starts on p 36 and finishes p 40, with several excellent and useful illustrations. At the end of the article, is listed two web addresses which may be well worth having a look at www.welldrillers.org.uk and www.groundwateruk.org/html/depth.htm
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Checker- I was thinking along those lines - I have the MD1105 Magmount feeding the box via a BNC/SMA adaptor- nice metal surface - and a clip with cable from there seems the obvious and hopefully efficient way....take the cable to an earth rod outside the house.
Wal2T - yes I can whack an earth rod in about six feet away from the box- and bolt the earth cable to it no problems - just will have to cut a groove in the concrete path to drop the cable into(to stop Mrs G4OTU falling over it ).
There is a discussion on someone with similar problems on another site where it has been suggested hooking the earth wire (from coax shield) directly to the domestic earth - this I think may not be a safe idea.
Moving from the coax to the ground plane (Metal tin)...does anyone see any point in earthing that ?- after all there is no direct electrical connection to the antenna as the magmount itself is encased ina rubber "boot"...the only connection is capacative.
Opinions on the back of a £10 note please!
Good stuff, what I was going to suggest is that you clip a some old braid to the outer ring of the sma connector and run it either directly to the spike or an earth bus (coper pipe connected to the spike) fitted in your house near to the RB. Not sure how effective this would be as I haven't dismantled the base of the antenna to check how it is electrically configured.
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No-one is twisting your arm to join in this thread, you but must find it of some interest or you wouldn't have!
Your'e right, John. I was trying to help a dutch RB user who suffered static problems, both of us being upset about AirNavs unprofessional behavior in handling his problems. Finally I buildt a small "device" for him to be put in front of the box. Unfortunately I called it "static killer" (which of course was supposed to be a nickname) resulting in a e-mail "dissuation", as Airnav did not like that name at all !!!???.
Things then started to "wind up" as usual. The friends RB never suffered static problems since then after installing the "device" b.t.w.
Anyway, AirNav meanwhile changed their policy if it is about that subject, even "modifying older Instruments"
Have to think about the other suggestions you've made John, somewhat short of time at the moment. Nice to "talk" to you,
Karl
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Well the box is now on it's way back to W&S for repair - who hopefully will turn it round and get it back to me quickly.
In the mean time I will earth out the the antena coax shield and hope that the situation doesn't reoccur once reconnected.
Checker - the "device " interests me- any details available please?
AirNav Support - your figures are impressive - thankyou for publishing them - let's hope this one box doesn't muck them up ....it is as I've said elsewhere ,a fantastic piece of gear so long as it can be made to perform reliably .
Already suffering withdrawal symptoms........................!
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Dave
Time to sit down, relax and look skyward, see the contrails and wonder what it is ;-)
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I'll get my bins out - got the scanner running - and for a few moments here it's not actually raining and I can see some (not a lot) blue sky!
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Checker - the "device " interests me- any details available please?
Check your e-mail, Dave !
Regards
Karl
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Checker
Could you send me some info also sounds good to me also
Cheers
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my unit is between 400 and 500 serial and never had any problems. been running flat out!
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Could you send me some info also sounds good to me also
No problem malc41:contact me via my e-mail adress, (as I unfortunatly don't have your's - need to attach a few pictures)
I will return ASAP.
Karl
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Hi Karl, just looking at your avatar - did you see that baggage container lodged in an engine pod the other day?
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Hi Karl, just looking at your avatar - did you see that baggage container lodged in an engine pod the other day?
Awfull sorry for replying that late, Jon:
it's taken some time until they got me out of the engine again after having been sucked in as well !!!. Left the hospital meanwhile. Next time expecting your "warning hints" somewhat earlier, may I ?
Kind Regards anyway,
Karl
P.S.: YES ! I've seen the "container" you mention.
P.S : Will leave the avatar as it is, though I'm looking "slightly" different meanwhile.
K.
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Steady on Karl, or you'll start getting "fan" mail........
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The "fan" had been "cool" so far (regarding my misadventure as described above) but it then got extremely hot on the "further way down".
Jon, we have to stop it here, as otherwise the forum might start to rail at us.
Have a nice weekend (sunny most hopefully as it appears to be here)
Karl
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About static build-up: Surely, we're bothered about the static that is led into the RB from the aerial, (the radiating bit, or, strictly speaking, the actual receiving bit)? The braid of the co-ax may be earthed, and mine always is, whether for HF, VHF or anything else.
Earthing the braid/shield is neither here or there when it comes to protecting the front end of any receiving equipment from static, it's the actual radiating element that's going to conduct static to the innards of the box not the braid, mast or ground-plane.
I have an ATU for a long wire aerial, it has a spark gap built in that will bleed static to earth. During a thunderstorm once I could hear it clicking as the static bled off - I kept well clear for a while!
You buy spark gap thingies with PL259/SO238 connectors so that you can introduce them into a feedline but I'd be surprised if such a simple assembly would work at 1090Ghz.
OH NO!
My RB has just gone deaf again!!!!!
Serial number: 107XX (What's wrong about putting the full No.?)
It's been repaired TWICE; first repair was SAW filter, it came back better but still deaf.
Second repair was, "Repairing Dry joints on SAW filter and earthing USB"
Looks like it will have to back AAAGAIN!!!!!!!!!!!!!!!!!!
Very dull
Ed
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Ed
You certainly seem to have a lot of bad luck!!! with your box.
Thought of moving into W&S?
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You buy spark gap thingies with PL259/SO238 connectors so that you can introduce them into a feedline but I'd be surprised if such a simple assembly would work at 1090Ghz.
Ed,
Your Virtual Radar Receiver might have gone to haden (or heaven if you prefer) long before a "spark gap" (e.e.lightning protector) fires after overriding its "predifined threshold voltage", that is probably situated well above the receivers maximum input voltage capability. They are supposed to be what they are called: "lightning protectors", not "static discharge protectors".
Of course you can purchase them specified for 1090 MHz, they will work fine as you've even experienced at lower frequencies, as "lightning protectors".
I won't follow your inner - outer - coax - static bleed - theory as described in the above. "All discussed in a lenght before". (as AirNav usually says) Maybe to look it up if you're interested.
Kind Regards, and good luck with the deaf unit.
Karl
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Bad luck for sure!! I'm waiting for them to charge me some council tax as my 'box has been there so often. I'm very dissapointed though, It's a great system but frustrating too as there are other flaws as well as the apparent static sensitivity problem.
The system, for no apparent reason, will often lose lock with the computer and all the flights and data dissapear until I find the USB connector, pull it out, wait a few seconds, plug it back in, it will then begin working again as if I'd just booted it up. It will do this sometimes if I switch something on in the vicinity, a mains powered power supply for example.
The software does odd things from time to time too, but I can live with all that, I just want it to keep working!
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The system, for no apparent reason, will often lose lock with the computer and all the flights and data disapear until I find the USB connector, pull it out, wait a few seconds, plug it back in, it will then begin working again as if I'd just booted it up. etc .etc.
This is far more likely to be a fault with the PC or the mains supply rather than the RB ....particularly if switching something remote on/off causes glitches.
For a start of it might be as well to thoroughly check your USB software
( System/Hardware/device manager/USB etc ....
Check the properties for each item ...
Try using different USB slot, different USB cable.
You could try reinstalling the USB software.....
Go into device manager
Select a USB controller, right click, select delete.
Dothis for each controller.
Shut down the computer.
Start up computer.
The drivers will load or reinstall themselves automatically.
You will see the progress of the reinstallation on the task bar.
Check the mains sockets, and equipment mains plugs for loose connections ( turn off Mains breaker of first if checking the wall sockets.)
Lastly the PSU itself may be the cause - it may not be fully capable of supplying the required load...it may be dieing or unstable.
Download and install Motherboard Monitor (Free - Google it)- this will give you a readout of voltages ( + text log_) ,.... all voltages (12V/5V/3.3V) should at all times remain within +/- 5% of nominal.
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The system, for no apparent reason, will often lose lock with the computer and all the flights and data dissapear until I find the USB connector, pull it out, wait a few seconds, plug it back in, it will then begin working again as if I'd just booted it up. It will do this sometimes if I switch something on in the vicinity, a mains powered power supply for example.
Not shure, if your PC and its periphery itself is the "troublemaker", Ed.
I suffered a similar problem originated by a tiny lamp, with its halogen bulb connected to a transformer, whose inductance !!! sent its transients into the surrounding mains when connected. (switched on)
Consequently I've added a lot !!! of "ferrit - clamps" to all those USB etc. cabling, entering the PC.
"Silence since then"
Give it a try,
Karl.
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Unbelievable Dave !!!
both of us posting almost simultanously, even argueing (arguing?) similar. Good ideas, your additional.
Karl
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I had exactly the same problem when i started with rb. Itwas a nasty cheap lamp bought from a high street catalog shop. took me a couple of weeks to work it out. Keep them away from computer and dont use off adapter computer is using !
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Hi people.
Yeah ... I really do not understand the reason for several persons having problems With RBs ... static from antennae or whatever else
I have 3 Rbs, two off them are from the first one manufactured and the third one from almost one year ago.
Did lots of kind testing situations, have they catch rain letting the window open.., never disconncted from antennae even when a lot of bolts were overhead, and the only time disconnected antena was (handred of times) for connecting another antenna for testing purposes.
Have let them remotely using Ubox, first from a whole year at buenos Aitres, and now let one RB + Ubox on the top of a 6 NM away building (snif, snif.... stayed there alone... far from my hands..) and connecting to RB trough Ubox + Internet...
Even in one of my testing, connected Ubox to a 6 Volts battery, and it was very charged, so the voltage was around 7 Volts !
Well, I can say that i exposed 3 RBs to a wide variety of uncommon situations, and till now the 3 RBs are working fine.
Also I understand that between the sky and the earth, there are lot of things that perhaps we do not understand....
So I wish a better luck from here for all that already had problems with RBs.
Best wishes - Juan
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Congrets Juan, lucky guy!!! Will cross fingers that everything remains as is until now.
Karl
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Hi Fligh Checker,
Thanks a lot for the crossed fingers, but a cool analize of how I handled 3 RadarBoxes till now... it is possible to suppose that I worked a lot trying to destroy at least one of them... without success.....
Ok, Ok.... I did not try to threw one of them trough the window yet....
As I live at 15th floor.... I think that it probably will not survive ... hahhhahhhha
Maybe.... if I´ll find an enemy of mine walking at groud level...... Who knows..
probably if I´ll dont find anythigh else...... I still can trow to his head an SBS ...
Shure I will fell less ..... Hqahahhhhhha
NOTE : nothigh against SBS-1 ... I also have one....
Cheers.... Take it easy .... Ok, Ok maybe I should not joke with this....
Since there are several people frustrated with the reported RB failig....
But it is needed to analize the overall environment.... for instance :
1- What is the quality of Your electic cabling at home ? (Even when in 1st world it should be not an issue)
2- What the quality of Your groundig in electic cabling at home ?
3- How You handle the RB, computer, etc ... I read about one guy that inedvertily destroyed RB that falled to ground and broke the usb connector....
4- And so on..... OK, OK I am a suspected guy since i worked for 23 years for IBM and more 10 years in networking, internet etc, etc.....
Bur, You can believe.... I don´t think that it is needed to cross the fingers for something to work or something do not stop working.... It is pure technology,
no need of miracles, no need of praying.... etc...
Note : I do not inted with this to joke with the problems of an frustrating experience of someno.ne had ..
I only (as I stated on before posted) That there it is more things that wee are able to see or analize...
So, Believe it or not, in my opinion, RB is strong, neddless to say the anvantage on being very user friendly...
Abviously I would prefer that everyone RB owner would be as happy as me with his own adoult´s toy !!
But... as wee know... the world is not as perfect as wee would like...
Best regards. Juan
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But... as wee know... the world is not as perfect as wee would like...
Agree Juan !
Cheers Karl
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Have been reading this thread with interest as my box is S/n 000099 which is definately one of the first batch!.
I have had it nearly 2 years now and had no problems with static. However, I still only use the supplied aerial on a windowsill with very occassional taking over my "other" devices" loft aerial with no bad effects whatsoever. What does worry me know is if I do have any sort of static problem with it would I have to pay for the repair and would it have to go back to the manufacturer as I got mine long before agents existed in the UK.
Regards
Mike
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Hi Mike,
Any static issues with the first batch would be fixed free of charge by us, regardless if its in warranty.
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Any static issues with the first batch would be fixed free of charge by us, regardless if its in warranty.
Can't say fairer than that!!! Well done AN.
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"Can't say fairer than that!!! Well done AN"
Shouldn't happen in the first place though, especially more than once...
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Hi Mike,
Any static issues with the first batch would be fixed free of charge by us, regardless if its in warranty.
AirNav thanks for that - not that I am looking for it to happen but it is nice to known that it is covered.
Mike