Editing RF-Amp

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** Adjust decade resistance value to measure 4V across mic with 13.8 VDC supply
 
** Adjust decade resistance value to measure 4V across mic with 13.8 VDC supply
 
** 2V with 12V power supply
 
** 2V with 12V power supply
* Selected value = 33K Ω pullup to 13.8V gets 4V across mic
+
* Selected value = 33K pullup to 13.8V gets 4V across mic
 
* 2V out with 12V supply
 
* 2V out with 12V supply
 
* Secure with zip ties and secure with superglue
 
* Secure with zip ties and secure with superglue

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