Re: [IRCA] I guess my new loop is working

[Russ Edmunds <wb2bjh@xxxxxxxxx>]

--- John Cereghin <pastor@xxxxxxxxxxxxxx> wrote:

> Ack! Questions!!!  :)
>   
>   1. 15 turns.
>   2. Indirect coupling.  Using the ferrite rods in my  portables.  I
> have yet to try a direct hook-up to my FRG7 or my  DX150B.  That's
> next.
>   3. I have a ceremaic capacitor (salvaged from a crystal radio set)
> and  a 1-gang and a 2-gang air capacitors.  I'm experimenting with
> all  three right now but currently have the ceremaic capacitor hooked
> up. 
>   
>

Sounds to me as if you ought to wire in the ceramic across the
terminals you're connecting to on the variable ( whichever of those
works better ). Normally, a failure to tune the low end of the band
inidicates a need for more capacitance; inability to tune the top
usually means not enough turns. 

You'll need one variable with or without the ceramic as needed, to be
able to tune the loop.

I asked about how you were coupling to try to see if there might be an
issue there, but since you're using proximity coupling n o problems there.

Russ Edmunds
Blue Bell, PA  ( 360' ASL )
[15 mi NNW of Philadelphia]
40:08:45N; 75:16:04W, Grid FN20ID
<wb2bjh@xxxxxxxxx>
FM: Yamaha T-80 & APS9B @15'
AM: Hammarlund HQ-150 & 4' FET air core loop


		
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