[Elecraft] K3 - Unresponsive if tuned across very strong RTTY sig

Fred Jensen k6dgwnv at gmail.com
Thu Feb 2 19:59:34 EST 2023


OK, this one has me confused.  I was looking for CHU on 7850 or close, 
and as I was tuning up from 40 m, I encountered a VERY strong signal 
around 75xx or so which sounded like RTTY, at which point my K3 froze.  
No control did anything, including the K-Pod and the power switch, the 
very strong signal just kept on blaring from the headphones, and nothing 
I could do could change anything in the rig.

I killed the power supply, and turned it back on and the K3 came back up 
on 7044 [where I previously been] when I powered it up.  It's 
repeatable, did it multiple times.  K3 seems to be working fine 
otherwise  I have the general coverage BPF, no sub-rx, and it doesn't 
seem to be mode-dependent ... tune across this huge signal and 
everything freezes.

This does not seem to be a problem for me, just a mystery.  The signal 
that triggers it is huge.  It's getting dark in the shack now [another 
totally unrelated problem having nothing to do with Elecraft, K3, or my 
eyesight but really annoying], I'll try tomorrow and see if it is still 
repeatable.

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

PS:  I don't know if CHU is still on the air or if so, where.  Years ago 
it was just above 7300 and very useful for those who did not have 
general coverage receivers that could get to WWV.


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