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Re: [TenTec] Oll & Digital Modes

To: tentec@contesting.com
Subject: Re: [TenTec] Oll & Digital Modes
From: Jim Brown <k9yc@audiosystemsgroup.com>
Reply-to: k9yc@arrl.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Mon, 28 Mar 2016 09:56:00 -0700
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Hi Andy,

I don't know the Orion II, but you must put any rig into TX mode. This can be done either via some form of PTT or VOX. Some rigs will take audio from a Line Input (like the USB audio unit) and some do not. My K3 DOES let the Line Input activate VOX. So did the FT1000MP that I sold about 8 years ago.

If you ARE using VOX, check the VOX sensitivity -- you may need to either increase the VOX sensitivity or increase the audio output of the computer sound card.

VOX has always worked very well for me for all digital modes. I work a lot of RTTY for contesting and DX chasing, and the various WSJT modes on 6M and 160M.

Another thing that can prevent keying with RTTY (not not the other digital modes) is the RTTY settings (Baud rate, RTTY tone frequencies) must be the same on both computer and rig.

Another thing that has bitten me in MMTTY is that every time you change the decode algorithm, it pulls in the default settings from a config file. So you may make a change, then change the decode setting, and overwrite the change you made. I don't know the other programs you tried, but they may have their own bear traps.

This analysis of USB sound cards includes very detailed, step by step procedures for setting audio levels for digital modes. http://k9yc.com/USB_Interfaces.pdf

73, Jim K9YC

 On Mon,3/28/2016 9:32 AM, P C Andy Anderson wrote:
Any help would be appreciated. TNX

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