Re: Another KPA500 question

Posted by KR5L on Jan 04, 2012; 10:41pm
URL: http://elecraft.85.s1.nabble.com/Another-KPA500-question-tp7134629p7152311.html

I will be a the Orlando Hamcation in Commercial Bldg. 3 Booth 304 with my new switch box .... 6 rigs and relays to two amplifiers.  The switch is designed for 100 watts exciter RF power and as such there is not much chance of RF coupling between rigs.  I used a 100mw QRP watt meter connected to AMP 1 while driving AMP2 with 140 watts RF on 40 meters.... I couldn't see any deflection of the QRP watt meter during this test.  I will do more extensive tests while I receive the production boxes.  I have been using my prototype switch (the one on my QRZ page with my K3, TS-520S, K2 and TS-870 for over a year now without any RF issues.  The new box is much more rugged than the prototype.

You can see the prototype switch installed at W3JCB and AC4Q on their respective QRZ pages.  Both ops have had no problems with RF coupling.

Let me know if you have any further questions or comments.

73's

Jerry Henshaw
  KR5L