[Elecraft] K3S Split Operation

Victor Rosenthal 4X6GP k2vco.vic at gmail.com
Tue Nov 7 14:47:16 EST 2023


You don't call ON the frequency of the last QSO (usually). But you start 
there in determining the pattern.

73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/

On 07/11/2023 21:28, Wes wrote:
> I'm more-or-less with Andy on this one except I use the big brother 
> TS-890 and don't need the external panadapter and I've never used CW 
> Skimmer in my life.  I will say that the best bandscope/panadapter I've 
> ever used was an SDR-IQ, running SpectraVue software on the i-f output 
> of a K3 or K3S.
> 
> In the TS-890, the RIT control can control the split TX frequency which 
> is displayed on the bandscope screen.  I typically use it, without doing 
> a TF-Set swap, to set my calling frequency.  There is much more in 
> working split that just hopping on the last callers QRG.  More often 
> than not, this is the wrong thing to do on CW.  SSB is usually different 
> because the DX announces their listening frequency, but you have to 
> listen.  Sometimes they spread the pile by saying up 5 to 15, but they 
> only listen up 5.
> 
> I remember many years ago an expedition, (forgot who but their leader 
> was the banquet speaker at Visalia the one year I went, and he described 
> this in his talk)  They were operating SSB on 14.195 and announcing 
> listening 5 to 10 up. But once in a while he would say, "Five to ten 
> up...pause...and 14.190")  Of course everyone would immediately start 
> calling up 5 to 10.  I called on 14.190 and worked him on one call.
> 
> Sometimes the DX has a rhythm; they move up or down some Hz after each 
> call. You need to figure this out.  But sometimes they simply don't.  I 
> remember calling my friend, Ned, AA7A, when he was operating RTTY from 
> either or both VP8STI/VP8SGI.  I called for about an hour while trying 
> to figure out his pattern.  I finally figured out that he didn't have 
> one.  I picked a QRG and stuck with it until he found me.  (I worked 
> both stations)  I talked to him later at a club meeting and he confirmed 
> he just spun the dial.
> 
> If you want to use a second RX and call on the last caller's frequency, 
> good for you, and better for me.
> 
> Wes  N7WS
> 
> On 11/7/2023 6:14 AM, Andy Durbin wrote:
>> That was a head spinning discussion!  No Elecraft transceiver here but 
>> I've been working single RX Split with a TS-590S for as long as I have 
>> owned it.
>>
>> For the TS-590 the key to working split pileups is the TF-SET key 
>> which swaps TX and RX VFO as long as it is held.  Sounds like Elecraft 
>> does the same with the REV key.  Listen on the DX frequency, after his 
>> CQ or TU press TFSET to listen to the pileup. Spin the dial to find 
>> who is answering with a report, this sets the TX VFO to that 
>> frequency, adjust up or down based on prediction of DX listening 
>> point, release TF-SET and call after next TU.
>>
>> TF-SET, an SDR based panadapter, and CW Skimmer all help me when 
>> trying to work the big pileups.  With TF-SET held I can click HDSDR 
>> (SDR panadapter) to set the TX VFO. I doubt I would do any better with 
>> a second receiver.
>>
>> 73,
>>
> 
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