[Lowfer] Tuning loop trick

Dexter McIntyre W4DEX dexter.mc at gmail.com
Wed Dec 1 18:21:44 EST 2010


John Bruce McCreath wrote:
> My method uses a 70 cm transceiver in the shack and a 70 cm HT out at the antenna.  Choose a quiet frequency
> on the 70 cm rigs and place the mic of the base unit near to the speaker of the LF receiver with a rubber band
> around the mic  PTT to keep it sending.  Take the hand-held out to the antenna and while listening to it, tune
> the loop's capacitor for a peak in the noise of the LF receiver.  You can use a weak signal if one is handy or
> produce your own with a signal generator to aid in the tuning to get even better results for tuning. 
>
>   
Good idea!  IC4AT in shack Alinco DJ-S41T in pocket......that's what I 
have been using for many years. 

Dex


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