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- DSB demodulator - electronic rotating field direction indicator
- LCD thermometer - accurate to 0.1 of a degree
- Ultra sonic distance measurement - a good starting point for experimentation
- Electrolytics run dry - everything you wished to know!
- Darkroom computer - photometer, temperature meter and process timer
- Short wave band shifting for SSB receivers - from 14 MHz to 14 metres!
- 16 channels with only 5 ICs
- Pre-amp for the SSB receiver - boost the selectivity and sensitivity of your SSB.
- Active aerial - A short, active aerial for DXers