I'd like to define Alans statement more precisely:
V6.00.000 & V6.01.000:
While operating with SDR Stick (e.g. mirco RB):
IAS is detailed, GS shows a valid value for about 1 sec every few seceonds. In the time between 0kt is shown.
While operating with AN RB Comstation:
IAS is blanc, GS shows stable values.
While operating with RB1 (Classic Radarbox Hardware):
IAS is blanc, GS shows stable values.
V5.00.072:
IAS is blanc. GS shows stable values.
Ingo