STATION INFO


Antenna: Home brew 5.5 meter dia. dish 0.45 f/D
Feed: VE4MA design, with polarizer section added achieve's circular polarization. Fabricated by K2AH
LNA: Two stage unit NF 0.23 dB, Gain 35.26 dB. design and fabricated by W7CNK.
Transmission Line: Transmit..LDF7-50..... Receive ..LDF4-50
Tracking: W9IP Realtrak, AD210 interface, Accuracy 0.3 degrees total.
Receiver: SSB 1296 to 144, 144 to 28MHz, Cascaded transverters, Kenwood TS 870
Transmitter: 1296 single tube 7289 cavity driver, 4 tube 7289 cavity power amplifier, both water cooled . Cavities designed and fabricated by KB2AH.
Power Output: 500 Watts in shack, 350 watts at feed.


PERFORMANCE MEASUREMENTS

System temperature : 70 K
Cass-A : 0.70 dB
Cygnus-A : 0.51 dB
Taurus-A : 0.20 dB
Moon : 0.20 dB
Sun at SF=235 : 19.6 dB

Measurements made using General Radio Model 1236 IF amplifier, connected to 28 MHz receive transverter output. No agc with meter operating in the center of it's dynamic range. 5 MHz bandwidth. 0 dB reference set at cold sky. Meter checked with accurate step attenuator, using random noise. These data are presented so you may make comparison measurements.

Page design W2UHI, HTML by K2AH