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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.