Thread: want to buy old cambridge au20 au22 or au23
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Old July 23rd 16, 01:17 PM posted to rec.aviation.soaring
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Default want to buy old cambridge au20 au22 or au23
I have a NOS Cambridge variometer that uses an optional audio unit (au 22, or au 23)I think an au 20 would work. If anyone has this unit I am interested to buy