Bart, here the same problem in Belgium, ( 7000 to 7100 Khz ) ...as I use only the cw part, ...I did all the aligment around the qrp calling freq's best 72's Josef ON6WJ K2#4296 MP+#19
----- Original Message ----- From: "PA3GYU" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Tuesday, September 14, 2004 9:01 AM Subject: [Elecraft] Bandfilter alignment: at midband or what? > Hi all, > > When aligning the bandfilters ('Transmitter Alignment'), I would think > the whole idea is to do this at midband frequency, to make sure as > much of the band is passed as well as possible. > > Now I'm not sure about US bandlimits, but here in the Netherlands the > 40 meter band runs from 7000 to 7100 kHz, so midband freq.equals 7050. > But the K2 manual tells me to align the bandfilters for max output at > 7100 kHz. Hmmm.... > > Question: wouldn't I be better of aligning the 40m filter on 7050? And > likewise at European midband frequencies for the other bands? Or would > it make little difefrence anyway? > > BTW: I couldn't find anything on this subject in the archive, hence my > question. And I couldn't find anything on the bandfilter bandwidths in > particular either. > And I AM curious, so... any pointer to info on the matter would be > welcomed. > > Bart de PA3GYU > K2 #4389 > > > _______________________________________________ > 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
