Hi all, not got an RB yet, but have negotiated one a Christmas pressie from my better half, who can't see why on earth I want to get one! I do a lot of SW Listening on various receivers. With all electrical connections out of doors, I lag connectors (and try to get some inside co-ax, after soldering) with electricians' silicone grease, which is available for around £3.50 per 50g tube, water and damp hate it - I've never had any problems with corrosion. Water can get into co-ax and will actually move through it by gravity and capillary action. In preference to self-amalgamating rubber tape, which will deteriorate, perish and crack, I try to use cable gland covers which can have silicone grease put in before fastening with wire tie at the wide end, you just cut off the blind end to get a slightly small diameter than the outer of the co-ax you're using. It used to be possible to buy purpose made lightning arresters with double-ended SO239 fitting, which had a very small spark gap (about 0.001 inch) from the internal conductor the outer body which had a heavy cable to earth - electricity, being extremely lazy like me, will take the shortest and easiest route to earth. Even with these fitted, it is good practice to disconnect outside antennas from the back of the boxes, and ideally earthed.
Thanks to all those who posted replies and PMs to me, when I inquired SBS-1 or AirNav RadarBox on the Kinetic site, before the post was locked. This protectionist attitude has swayed me from the SBS-1 route (which I had more or less decided to go with) and the helpful attitude and advice from RB users (some of whom have feet in both camps) and watching what goes on in this Forum. Hopefully, I'll be able to make some useful input in here.