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High power 475kHz 7 pole elliptical LPF for 630m Tx.
100 watt PA for digital modes on 630m.
Building a simple and small 20w transmitter for 630m.
Build a scopematch for 630m and 2200m output monitoring.
Simple receiving 475kHz (630m) filter.
Simple receiving 137kHz (2200m) filter.
High power 136kHz 5 pole elliptical LPF for 2200m Tx.
Building a simple and small 30w transmitter for 2200m.
Some operating modes on MF and LF bands.
Minikits EME223-630M transverter kit build and review.
Building an X-Phaser with local components for MF reception.
Web connected SDR receiver, 10kHz to 30MHz, with GPS.
400W Linear High Power Amplifier 475kHz.
Building a very low power a.m. transmitter.
BCB receive reject filter for the KiwiSDR.
Putting out a signal on 476kHz LSB.
Building a very low power FST4W/WSPR transmitter.
150W class E transmitter for digital modes on 137kHz.
