[Elecraft] RTTY contesting with KX3 and KXPA100

Chris Tate - N6WM ctate at ewnetinc.com
Sat May 9 12:18:02 EDT 2015


On the subject of JT65 and the KX3 heat compensation with high duty cycle dig..I am curious. Has anyone done a contest like NAQP RTTY with a KX3, particularly if you have the newer Elecraft based heat sink mod that was implemented in Dec 14?  I was wondering if the heat protection will kick in with a fairly aggressive cq rate in 2 scenarios:


1.       qrp at 5 w

2.       with the KXPA100 at higher power

Looking for a general idea of the tolerance of the KX3 itself and also if it can maintain max drive of the KXPA100 with a moderately high duty cycle . (AFSK for now..)

I have put together a KX3/KXPA100 setup for IOTA and to travel with me to CE3, and want to make sure I understand my real world limitations and tolerances.  Appreciate hearing real world experience,  as well as opinions based on the tolerances of the rig/amp if I decide to jump into a contest like NAQP domestically, and internationally from the Santiago CE qth.

Thanks in advance for your feedback.  (oh and yes, I am a contester, and yes, I am very observant of my signal quality : -).   Please let's not go there.)

Thanks
Chris
N6WM










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