[Elecraft] TX EQ on data modes

Leigh L. Klotz, Jr. Leigh at WA5ZNU.org
Thu Apr 17 11:22:43 EDT 2008


I would also like to see separate (or even NO) EQ on RX/TX for data modes.
I often set up the RX EQ so SSB sounds good, and then when I go back to 
PSK I see the waterfall is very noisy and odd looking.
Leigh/WA5ZNU

Bill W5WVO wrote:
> No, but the K3 should have a mode memory so that particular EQ 
> settings (including OFF) remain with particular modes when changing 
> back and forth. TX EQ can be potentially useful in equalizing the 
> amplitudes of the four tones in FSK441 (used in high-speed meteor 
> scatter) if the TX passband isn't quite flat. You might even want to 
> boost the high and low tones just a tad to compensate for other guys' 
> too-narrow passbands on RX...
>
> Bill W5WVO
>
> K4IA at aol.com wrote:
>> I am not sure I like that  result.  Should the TX EQ (and for that
>> matter the RX EQ) be turned off  automatically in DATA A and AFSK
>> modes?
>>
>> k4ia
>> Buck
>> #101
>>
>> In a message dated 3/27/2008 1:29:17 P.M.  Eastern Daylight Time,
>> elecraft at astromag.co.uk writes:
>> Tx EQ only applies to  modes where audio is used to create the final
>> transmission. So it applies to  AM, FM, SSB, DATA A and AFSK, but not
>> FSK-D, PSK-D or  CW.
>


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