Re: Cecil Moore's no-tuner ANT

Posted by David Cutter on
URL: http://elecraft.85.s1.nabble.com/Re-Cecil-Moore-s-no-tuner-ANT-tp2494512p2501474.html

Hello Frank

May I ask what relays you use?  I imagine there are some high voltages under
some conditions.  Do you run high power?

Thanks
David
G3UNA



----- Original Message -----
From: "Frank R. Oppedijk" <[hidden email]>
To: "Elecraft_List" <[hidden email]>
Sent: Thursday, March 19, 2009 5:12 AM
Subject: Re: [Elecraft] Cecil Moore's no-tuner ANT

> Hi Duane,
>
> I do happen to use Cecil Moore's ladder network and switch it from
> inside the shack. I didn't program a PIC but used a third-party
> BCD-to-band decoder to decode the K3 band data that's available on
> the AUX connector, followed by some diode logic driving the 1' to 16'
> relays outside. Works like a charm! I use this ladder network for a
> couple of months now.
>
> Just bagged my first VK on 80m Tuesday night, on my low (10m high)
> 2x24m doublet at first try, so I'm not complaining.
>
> If there's serious interest in it, I can draw up some info on what I
> did and make it available publicly.
>
> 73,
>
> Frank PA4N
>
>
> At 00:41 18/03/2009, dw wrote:
>>Hey Paul
>>If one were to put a programmed PIC and some latching-relays together,
>>one could switch that ladder network from inside the shack! :^]
>>Wouldn't that be cool!!
>>Duane
>
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