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Antenna Noise Bridge Low Frequency Converter 60 kHz Receiver VLF Receiver 198 kHz Converter
50 & 70 MHz Converter Audio Oscillator MSF Clock Tunable Audio Notch Filter Programmable Chime
Antenna Tuner Speech Compressor Two Tone Oscillator Sound Meter 136 kHz Crystal Calibrator

CRYSTAL CALIBRATOR

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Can't find DX ? Get SPOT-ON with this Crystal Calibrator between your antenna and receiver, switched equal-level 5 MHz, 500, 125 kHz MARKERS to VHF, no missing "even" ones, no unselected "ghosts", LED "on" indicator, SO239 "UHF" connectors for antenna and receiver, bypassed when off, use it to align a receiver, needs 12 V at 70 mA, 4 x 7 x 13 cm, 250 g.

"very good value", BCH in Zimbabwe.
"very pleased the way the kit built up", LL in Kent.
"excellent frequency reference", RW in Bangor.
"only circuit I have met which tackles the even harmonic problem", DFH in Stoke on Trent.

This fun-to-build kit used to include all parts, tinned drilled fibre-glass pcb, crystal, case, connectors, screws etc as well as detailed assembly and operating instructions including circuit description and diagram, and was priced at £34.30 including VAT and UK postage.
Please e-mail martincambridge@live.co.uk for the latest price reduction, details of payment and any extra parts now neeeded.