BC 221 Frequency Meter tidy up

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BC 221 Frequency Meter tidy up

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#13

19-02-18, 08:39

Bruce MacMillan Bruce MacMillan is offline

a Canuck/Brit in Blighty

Join Date: Jul 2004

Location: Hell Fire Corner, Kent UK

Posts: 720

The 6 holes should line up with the aluminum backing plate to the calibration book, BC221a. BC221b is the crystal and it is mounted underneath at a right angle, much like the valve on the other side.

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	BC221a.jpg (104.3 KB, 1 views)
	BC221b.jpg (170.9 KB, 2 views)

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