Re: [WriteLog] Band Decoding with ICOM 746 and Writelog

[George Johnson <w1zt@comcast.net>]

Al,
You have suggested several alternatives which all will work.  I happen to 
prefer to band decode from the radios so that the system works when 
WriteLog is not in use.  I would suggest looking at an ARRL Handbook 
starting in 2001 to present and see the circuit Joe Garcia put together for 
the W1AW station to use for both their Yaesu and Icom gear.  I have Icom 
gear and use the home made band decoder described in the Handbook.  The 
circuit boards are available from FAR Circuits.  I also have a couple Top 
Ten band decoders which work fine with Icom's band voltage output.  They 
have a unit for Yaesu also.

http://www.qth.com/topten/bdecoder.htm

73, George .. W1ZT


At 11:11 PM 6/7/2004, Aldewey@aol.com wrote:
> I am trying to implement two band decoders for an SO2R setup with Writelog.
> My two radios are an FT1000D and an ICOM 746.  The FT1000D has  four nice BCD
> lines to drive one of the band decoders.  However, the 746 does not.  From
> what I can figure out, there is a single voltage on a pin of the second 
> accessory
> pin that relates to band.  Has anyone had experience getting a BCD out from a
> 746 to drive a band decoder?
>
> I guess another approach is to use the BCD pins on the LPT port to do this.
> If I do this, is there a way to provide BCD for both radios via the LPT 
> port.
> Or do I need to use two LPT ports to do this?  It was not clear to me from
> the Ports setup screen in Writelog how to assign a specific radio to the LPT
> port (I.e radio 1 or 2).
>
> Any suggestions?
>
> 73,
>
> Al, K0AD
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