[Elecraft] K3 - Linking the VFOs for CW - SSB switching

[Eric Swartz - WA6HHQ, Elecraft]

We're testing this right now.

I'm not sure, but it may make it into the upcoming K3 f/w release. :-)

73, Eric  WA6HHQ
----

Bill W5WVO wrote:
> As the original requestor of this feature (and of using the FT-897's 
> functional implementation of it as the standard to be emulated), I 
> think Tony is on the right track here. I can't think of any reason why 
> doing it this way wouldn't work; it seems to satisfy all the 
> requiremets, including that of leaving the receiver in SSB receive 
> mode after using the "auto CW" feature unless/until intentionally 
> switched to full CW mode by the operator. (The failure to leave the RX 
> in SSB mode is what's wrong with the Kenwood TS-2000's implementation 
> IMO.) Keying shape at the audio frequency end would still have to be 
> taken into consideration, of course.
>
> Yes, this feature is primarily (albeit not solely) of interest to 
> serious VHF+ ops -- but there are lots of us out there. :-)
>
> Bill W5WVO
>
>
> Tony Fegan VE3QF wrote:
>>    It seems to me that we are over-complicating this (hopefully soon
>> to come) feature. All that is required is that, when in LSB or USB
>> mode, a 700Hz tone is transmitted whenever the key is pressed. No
>> mode switching or menu changes are required. The only caution would
>> be to watch out for inadvertently closing the key during normal SSB
>>     operation. I am not a firmware programmer but this does not seem
>> like a complicated task. On key closure switch to transmit mode and
>> either QSK or VOX. Then generate a (700Hz) tone.
>>    This feature is very useful on SSB nets when copy is difficult and
>> on CW/SSB nets.
>>
>> 73
>>    Tony Fegan VE3QF
>>
>> G4ILO wrote:
>>> Joe Subich, W4TV-3 wrote:
>>>
>>>>
>>>>> Patience please, with all the more serious problems, I cant
>>>>> imagine this request is too high on the list.
>>>>>
>>>> Any rig that includes VHF capability or is designed to drive a
>>>> transceiver should have the capability.  It is indispensable
>>>> to most serious VHF operators.
>>>>
>>>> After experiencing it with the FT-2000, I find "auto CW" a joy
>>>> to use for tuning a quiet band ... I can tune in SSB and, if I
>>>> find myself in the CW band, answer a CW call without the need
>>>> to frantically change modes and retune.
>>>>
>>>> Quite simply, if one is in LSB and taps the key, the radio should
>>>> automatically shift to CW zero beat with the "normal" CW offset
>>>> (e.g., 500 Hz, 600 Hz, etc.) - if one is in USB, the radio should
>>>> shift to CW-R with the proper offset.  Similarly, changing modes
>>>> from LSB to CW should result in no change in received tone and
>>>> changing modes from USB to CW should automatically select CW-R
>>>> with no change in received tone.
>>>>
>>>>
>>>>
>>>
>>> If what we're discussing is the ability to change modes and keep the
>>> same signal centered in the passband then I agree it would be a nice
>>> feature - and I don't use VHF. But I often find myself tuning down
>>> to the CW area after being on data, or vice versa, and when I want
>>> to call the station and switch modes in order to do so I've lost him
>>> and have to tune around to find him again.
>>>
>>> I also agree that it's not that urgent a need, not for me, anyway. I
>>> could just remember to switch to CW before tuning down there, but
>>> that's not going to happen...
>>>
>>> -----
>>> Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
>>> G4ILO's Shack: www.g4ilo.com
>>> Zerobeat Ham Forums: www.zerobeat.net/smf
>>>
>>
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