G/Tsys calculator
Updated 8 February 2016
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20©03 Jens T. Satre
G/Tsys= 10*log(G)10*Log(Tsys)
alfa= 10^(FeedLoss/10)]  the antilog of the feedloss in dB (abs value).
Beta= 10^(LNBVSWRLoss/10)]  the antilog of the VSWR LNB loss in dB (abs value).
L=alfa+beta
Tsys= Tant+ 290*[L1] + Tlnb*L
(G/T is referred to the input of the antennafeed  before WG losses)