Yeage FC-1 Frequency Counter

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This is a seriously low-priced frequency counter and represents excellent value for money.  Offers two overlapping ranges 10Hz - 100MHz and 50MHz - 2.6GHz.  The unit comes with a not terribly useful antenna - but this unscrews to reveal an SMA (not RP) connector.  I added a short length of coax and attached a loop of ordinary wire.  Passing the loop around coils reveals the real frequency they are operating at...  Battery life is SHORT but my unit came with rechargeable cells and a charger.
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