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VK3NX





Australian Amateur Radio STation



23cm EME



23 cm Equipment


- VK5EME Transverter kit with 144 MHz IF

- Local Oscillator is "G8ACE OCXO"

- Power amplifier is homebrew XRF286 (Running at 300 W CW and 400 W PEP SSB - High Power permit issued from ACMA)

- LNA is WD5AGO 32dB gain with NF= 0.29dB

- Feed.. RA3AQ Optimised septum feed made from 0.5mm thickness Copper sheet. It uses an SMA feed probe for both Tx and Rx ports and an SMA Relay for LNA isolation. (At present the "choke flange" is not in use)

- 144MHz IF radio



Current System Performance:



Sun Noise = 11.6dB (SFU = 72)

Moon Noise = 0.22 dB (@ Perigee)

CS / GND = 5.2dB (@ El = -1 degree...Ant B/W = 4.38 degrees @ dB)



23cm EME AUDIO Recordings


VK3NX_ Echoe_1
VK3NX_Echoe_2
DL4MEA
HB9GR
OK1CA
K1RQG_SSB-1
K1RQG_SSB-2
OZ4MM
RA3AQ
VK3UM

23cm EME log book


Log Book

VK3NX