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#11
February 17th 10, 11:18 PM
posted to rec.radio.amateur.antenna
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Carl and Jerry Magnetometer
On 2/16/2010 3:38 PM, Jim Lux wrote:
... Other references exist, ... http://www.geotech1.com/pages/mag/pr...huggard300.pdf I would never use a relay to switch from polarizing current to detection mode on the sensor\coil ... even a simple two transistor flip-flop would be immensely preferable. Regards, JS |
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