LDEs on 80m

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LDEs on 80m

Poul Erik Karlshøj (PKA)
I think there is a good chance of observing Long Delayed Echoes on 80m these days.
 
I noticed very strong echoes yesterday 6 Jan 2011 at around 19:50 UTC (approx. 5 hrs after local sunset) on 3523 kHz but just a couple of times during a 5 minute period. I think I switched ON too late and missed the better part of a longer period. The echoes were strong and quite similar to those I recorded in January 2009 (delay 237 milliseconds and strongest around 19:30 UTC, about 4h30m after local sunset).
 
If you operate K2 or K3 with Semi QSK delay of 0,04 sec you will notice this kind of echoes immediately.
 
Good luck!
OZ4UN, Poul-Erik
 
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Re: LDEs on 80m

Sverre Holm (LA3ZA)
Thanks for the tip Poul-Erik, I'll check for that! Probably both 80m and 160m are possible.

I should expect something in the order of 250-300 ms at my 60 deg N latitude.

For info on these long delayed echoes, see http://en.wikipedia.org/wiki/Long_delayed_echo


Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html