- omnidirectional vertically polarised antenna for 5.7 GHz based on an idea from JA3UMZ.
- GaAs-FET and P-HEMT experimental LNA's for troposcatter and EME
- subharmonic coaxial mixers for 5.7 GHz GHz
- 5.7 GHz transmit and receive equipment for for 6 cm EME ( lots of info on the LNA, waveguide, feed etc. here ! )
- BIG file: notes on constructing a 5.7 GHz LNA ( in Finnish ) New: 1 dB compression with Anritsu 37347A 1 & 2
- a 5.7 GHz CW beacon, 4 W out, not QRV yet ( photos: LO, 66k, and 4 W SSPA, 34k )