17-12-2012__FIRST FEED CHANNEL IN KA band from Astra 1H-19.4__18 510,856 MHz DVB-S2-QPSK FEED ERICSSON Service-Link Margin level LM=5.8 dB is the determining factor of a stable carrier lock, which augmented by qualitative analysis of QPSK constellation
author : Roman Dávid_founder of Czech & Slovak DX Satellite Club - Think-Tank at www.dxsatcs.com
News No.4 - Section KA band satellite monitoring : 17.12.2012
linear -V- spectrum analysis from 18 300 to 18 800 MHz / made on 12.12.2012
CZECH & SLOVAK DX SATELLITE CLUB
Think-Tank
Roman Dávid - author & founder