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 | 100KHz Crystal Calibrator Kit for tube type rigs |
 So you bought that old Galaxy V or National tube type transceiver and got it running, but you're not sure exactly how good the VFO's calibration, or how linear the output is.
An easy way to check calibration of your VFO is by way of a 100 KHz oscillator loosely couple to the receiver. This should should allow you to adjust the dial calbration at 100 KHz intervals and allow for less uncertainty when tuning the bands. Unfortunately, most of the older rigs that had those options fitted have had those useful bits removed and pressed into service elsewhere. The Galaxy transceivers had optional plug in 100 KHz or 25KHz calibrators but they're hard to find today, and if you do find one- it may need repair. If you're looking to enhance your operation of the radio, why not build and install a solid state modern calibrator?
A 100 KHz crystal calbrator is a very useful tool for the radio experimenter and Grandpa's Electronics has designed a nifty little kit that sells for about $18- check out the calibrator kit here- it looks like a great kit!
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