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February 2009 at the Alphut There is snow blocking the exit.. German craftmanship allows very stable operation during decades Visible the typical colouring by humidity and heat in remote mountain sites
This cavity is what makes EME real fun This cavity is what makes EME real fun This cavity is what makes EME real fun This tube delivers sufficient power to compensate a cable loss of some dB
Tube testing rottens fingerstock - here repaired I am using these amplifiers for some tropo but as well as for tube testing I am using these amplifiers for some tropo but as well as for tube testing I am using these amplifiers for some tropo but as well as for tube testing
I am using these amplifiers for some tropo but as well as for tube testing Ceramic-Teflon Print The LNA is designed for no compromise in Noise Figure
Please note the adaptor needed for tuning and measuring NF and Gain N connectors are an option but SMA offers slightly better results in NF The HB9BBD terrestrial signal, the same reflected off the moon, and a random reflection by an unknown satellite - recorded by HB9BHU TH308 Power amplifier
TH308 Power amplifier TH308 Power amplifier TH308 Power amplifier TH308 Power amplifier
TH308 Power amplifier TH308 Power amplifier typically NF is 0.2-0.23dB, Gain 38-42dB OE9PMJ Noise Source 1296 1420 1600 2320 MHz
OE9PMJ Noise Source 30 50 1000MHz ETN NS 1296 1420 1600 2320 ETN NS 30 50 100 1000MHz ENR Table SNS 4000A HB9BBD p.3

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