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VE4MA
feed
GaAlAs
HEMT
LNA
Equalizing
filter
MMIC
amplifier
Band-pass
filter
Signal
splitter
1.42GHz coax l=15m
USB
HDSDR
EGIS EPS-103
control unit
RS-232
9600bps
1.42GHz
EGIS
EPR-203
AZ/EL rotor
≈
B≈25MHz
+19dB
+28dB
≈
B≈25MHz
+19dB
MMIC
amplifier
zvezdar.py
mlekar.py
R820T2 +
RTL2832U
DVB-T
dongle
Rigol
DSA-815
spectrum
analyzer
Echostar dish d=3.1m / f=1.23m