Re: [Elecraft] Older option boards from K3 upgrade

The second K3 listing from top on the Sherwood (old syns) vs the first K3 listing from top (K3 modded with new syns) is as good an A/B RX test as you will ever get. Note: there is a separate K3S listing. Print out the first page of the Sherwood listing in landscape mode, and then fold the paper to

Re: [Elecraft] Older option boards from K3 upgrade

The improvement in QSK performance and elimination of jitter in CW timing was immediately noticeable even without an a/b test. Night and day. Vic 4X6GP > On 26 Apr 2017, at 0:06, Guy Olinger K2AV wrote: > > Many times, with spectrum analyzer screen prints, etc. Some of

Re: [Elecraft] Older option boards from K3 upgrade

Roger that. I missed the KXV3 in your post. I upgraded to KXV3B and gave my now spare KXV3 to a friend filling out a K3 he picked up. Friend had to pay for the shipping plus a cool one for the trouble of going to the post office. :>) Don't throw away the KXV3. Just throw away the Syn boards.

Re: [Elecraft] Older option boards from K3 upgrade

Guy: All noted. I just hate to trash perfectly good boards when there might be someone who could use them. Not everyone will need the latest KXV3 if they're not too bothered about ten and six meters and it's possible someone could even use an old synthesizer board. They are still

Re: [Elecraft] Older option boards from K3 upgrade

[Elecraft] Older option boards from K3 upgrade Ok, Since I'm the one in the pileups, don't contest and my line-of-sight contesting neighbor runs an ICOM IC-756 PRO III to an ALPHA 8410 he deserves whatever he gets:-) Seriously, if I can figure a way, I'll try to do some real world comparisons.

Re: [Elecraft] Older option boards from K3 upgrade

Ok, Since I'm the one in the pileups, don't contest and my line-of-sight contesting neighbor runs an ICOM IC-756 PRO III to an ALPHA 8410 he deserves whatever he gets:-) Seriously, if I can figure a way, I'll try to do some real world comparisons. Wes N7WS On 4/25/2017 1:47 PM, Don

Re: [Elecraft] Older option boards from K3 upgrade

Wes, I know of no A/B comparisons, but the Sherwood chart shows a significant improvement - he has rankings for the K3 with and without the new synthesizer. The lower phase noise may be apparent to you when picking a station out of a pileup or on a contest weekend with many close-in

Re: [Elecraft] Older option boards from K3 upgrade

Many times, with spectrum analyzer screen prints, etc. Some of those in the near-astounding category. At this point can't refer you to them but you can find them with some searching. A 3 dB improvement in TX strength will not be noticed either, until it is used in a situation where you're close

Re: [Elecraft] Older option boards from K3 upgrade

I've seen these rave reviews about the new synthesizer many times. Has anyone actually done an A/B comparison in real time with two otherwise identical radios. I have a K3 with the original synthesizer (the actual one used to develop the stiffener plate) and a K3S. I have not run them

Re: [Elecraft] Older option boards from K3 upgrade

I tossed my old synthesizers, in accordance with my dropping my old closet hoarder policy of keeping any and all for 40 years to see if it might be of any use. I actuarially doubt I will see another 40 years. The synthesizer mod has met with such documented success, that I routinely advise

[Elecraft] Older option boards from K3 upgrade

I successfully upgraded my late model K3 with the new synthesizer board (KSYN3A) and KXV3B and have the removed boards with hardware. I guess there may still be some demand for these - is this a good place to ask? Mike __ Elecraft