weird rack unit

Christian Kennedy chris at
Mon Aug 10 14:17:52 CDT 2020

On 8/7/20 4:34 PM, Warner Losh via cctalk wrote:

> The OCO looks nice. Timing gear maybe?

Looks like a mid 70's - early 80's three-axis fluxgate magnetometer.
The precision of a fluxgate is a direct function of the stability of the
frequency source that is driving the drive winding, so an OCXO makes
perfect sense.

My offhand guess would be oil and gas exploration.

Christian Kennedy, Ph.D.
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"Mr. McKittrick, after careful consideration…"

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