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Inside a frequency counter is a quartz crystal, and usually an adjustment trimmer.

Inside a radio you'll find more than one crystal that affects channel frequency, and adjustments to set those, too.

A counter may be no closer to reading the right frequency than the radio is to delivering the right frequency.

Without an accurate reference to compare to, there's a good chance that both of them are off by some amount. Frequency counters will drift with the passage of time and need to be calibrated from time to time.

73

[QUOTE="nomadradio, post: 769895, member: 22"] Inside a frequency counter is a quartz crystal, and usually an adjustment trimmer. Inside a radio you'll find more than one crystal that affects channel frequency, and adjustments to set those, too. A counter may be no closer to reading the right frequency than the radio is to delivering the right frequency. Without an accurate reference to compare to, there's a good chance that both of them are off by some amount. Frequency counters will drift with the passage of time and need to be calibrated from time to time. 73 [/QUOTE]

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