[ARC5] LDE

[Geoff]

Ive heard LDE's many times from 80-15M as I was obsessively active for 
decades. The strangest was on 40M one morning just past sunrise when Asiatic 
signals from JA, UA0 and similar were arriving stronger from the SW than the 
direct NW path and after their weaker direct path which had intense auroral 
flutter. If it wasnt for the yagi I used copy would have been very hard. 
Comments on the DX Packet Cluster from many with verticals and wires was 
that they couldnt even copy their own calls.

Carl


----- Original Message ----- 
From: "Kenneth G. Gordon" <kgordon2006 at frontier.com>
To: "Dennis Monticelli" <dennis.monticelli at gmail.com>
Cc: <Arc5 at mailman.qth.net>
Sent: Thursday, July 18, 2013 1:16 PM
Subject: Re: [ARC5] LDE


> On 18 Jul 2013 at 10:01, Dennis Monticelli wrote:
>
>> Ken,
>>
>> On what band did you experience this LDE?
>
> Yes. I forgot to mention that: it was on 80 meters, around 3580 Khz, as I
> remember it.
>
>>  I have heard LDE's on the
>> strong signals of local DX'ers on occasion.  The band was 20M.
>
> Hmmm...that second one I heard may have been on 20 meters...
>
>> LDE's occur in integer delays of approx 128ms as I recall (the time it
>> takes for a signal to circumnavigate the earth).  Yes, ducting is the
>> theory usually offered.
>
> Thanks, Dennis. As I said, that explanation really doesn't satisfy my mind 
> on
> it, but it may be correct.
>
> Ken W7EKB
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