For me this problem exists. ATU bypassed. Pwr to 100w. Everything is nor. Antenna is c31xr swr 1 to 1.1. also testd with dummy load.
---- Alexandr Kobranov <[EMAIL PROTECTED]> wrote: > Hi John, > > can you - and the rest of suffering by this problem - put here some > more details about your setting: > - POWER per Band active? > - TUN PWR -nor- or any value defined? > > Just to have complete picture. > > Did you try to chenge some settings with some change in behaviour? > > Thnaks, > Lexa, OK1DST > > > > WA6L napsal(a): > > > > I have been having a similar problem on 30m through 160m. Output is fine on > > CW on all bands. On SSB, I am gettting only about 50 watts on those low > > bands. > > > > It appears to be hardware related, at least in my case. I have been doing a > > lot of remote troubleshooting with Gary Surrency, and at this point and > > awaiting my RSA for repair service. > > > > 73, > > > > John, WA6L > > > > > > williamsonr wrote: > >> If this has previously been discussed - please forgive me. > >> This weekend ten meters was "open" (as much as it could be at the bottom > >> of a cycle) and the 10-10 contest gave me a great opportunity to try out > >> the 10 meter band on my recently completed K3 #1318(latest firmware). All > >> seemed well until I noticed that my power output on SSB was down as > >> indicated on the K3 power meter and where I normally see 100 watt pep > >> output on my tuners average reading meter. So I grabbed my Bird 43 (with > >> PEP option) and a dummy load. Sure enough, only about 50 watts PEP even > >> though the control on the K3 is at 100? Placed the K3 into tune and > >> 95-100 watts out? Go back to SSB and now the PEP power is back where it > >> should be at approx 100 watts PEP. After a few more SSB transmission - > >> low power again(still connected to the Bird and dummy load). This went on > >> for a while as I checked and re-checked all of my mic and comp settings. > >> All other bands worked correctly. Power supply not current limiting, all > >> connections/cables good (connection to my stati > >> o! > >> ! > >> n ground verified), fresh battery in my studio mic, SWR on ten meter > >> antenna below 1.4:1 etc. etc. Took the LPA heat sink bottom cover off to > >> make sure the LPA transistors were making good thermal contact. (I had > >> added a spot of heat sink compound to each transistor during my assy > >> process) There was a clear outline of the TO-220 transistor and an even > >> film of compound indicating good pressure and contact. Put everything > >> back together. Haven't seen the issue again - yet? But I am not convinced > >> I did anything to make it go away? > >> > >> Anyone else had this experience? > >> > >> Rodger > >> N4NRW > >> _______________________________________________ > >> Elecraft mailing list > >> Post to: [email protected] > >> You must be a subscriber to post to the list. > >> Subscriber Info (Addr. Change, sub, unsub etc.): > >> http://mailman.qth.net/mailman/listinfo/elecraft > >> > >> Help: http://mailman.qth.net/subscribers.htm > >> Elecraft web page: http://www.elecraft.com > >> > >> > > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
