[Elecraft] K3 - AFSK

[Bill Conkling]

Check software.  I have noted my software switches sub-modes when making changes.  It has to do with mode selection and mapping softwre modes tot he radio mode/sub-mode.

bill nr4c

> On Nov 13, 2016, at 11:40 PM, W0MU Mike Fatchett <w0mu at w0mu.com> wrote:
> 
> It doesn't solve you issue but the K3 is really good with FSK, ie clean.
> 
> RF?  have you put ferrites on the cables with a number of turns? Does it happen with 5 watts, 50 watts 100 or 1000 watts?
> 
> 
> 
> On 11/13/2016 8:47 PM, Robie Elms wrote:
>> All,
>> 
>> I have very limited experience with a K3 and I am helping a fellow club
>> member get up and running on RTTY with his K3.  Here is the setup:
>> 
>> 1. We are using MMTTY in the AFSK mode
>> 
>> 2. line in/out on the transceiver connected to the computer sound card mic
>> and speaker input/output
>> 
>> 3. PTT is via command the radio control port.
>> 
>> 
>> The problem we are having is intermittent transmission of data.  At times
>> the set up works properly and then later when transmitting the K3 sends
>> only a steady carrier.  It appears that the computer is outputting audio
>> tones to the K3 when this situation occurs.  What are the potential causes
>> of this problem.  Any suggestions will be appreciated.
>> 
>> Robie - AJ4F
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