Topband: Fwd: Re: Echo on 160m yesterday morning

[Herbert Schoenbohm]

Meant to say "all that improbable"...."But the idea of a multiple 
moderate angle skip with so many hops around the world and twice is IMHO 
really all that/*improbable*/."


On 2/5/2017 3:33 PM, Herbert Schoenbohm wrote:
> Having worked LU and CX on 2 meters SSB (100 watts 7 element beam) 
> without any ionospheric skip in the strange ducting FAI mode that is 
> at time formed by the magnetic field at the equator, i say that 
> anything is possible. But the idea of a multiple moderate angle skip 
> with so many hops around the world and twice is IMHO really all that 
> probable.
>
> On 2/5/2017 3:13 PM, Art Snapper wrote:
>> I am wondering if there is a backscatter type condition that can also 
>> slow
>> down the Vp.
>>
>> Art NK8X
>> ᐧ
>>
>> On Sun, Feb 5, 2017 at 12:18 PM, Tree <tree at kkn.net> wrote:
>>
>>> I once had a very strong echo on 160.
>>>
>>> The delay was about 225 milliseconds - which equates to a distance 
>>> of about
>>> 42K miles.
>>>
>>> You can listen to it here.  It is so strong that you won't believe 
>>> that is
>>> really the echo.  I send two dits and hear two dits come back.
>>>
>>> http://www.kkn.net/n6tr/sounds/echo.wav
>>>
>>> It appears this was from 1997 - I posted about it here:
>>>
>>> http://lists.contesting.com/archives//html/Topband/1997-02/msg00136.html 
>>>
>>>
>>> I remember hearing similar echos on my 75 meter signal during a 
>>> California
>>> QSO Party when I was operating at K6NA's QTH back in 1987 or 1988.
>>>
>>> Tree N6TR
>>>
>>> On Sun, Feb 5, 2017 at 6:45 AM, Arthur Delibert <radio75a3 at msn.com> 
>>> wrote:
>>>
>>>> Approximately how much delay was there between your transmission 
>>>> and the
>>>> echo?
>>>>
>>>>
>>>> --Art Delibert, KB3FJO
>>>>
>>>>
>>>> ________________________________
>>>> From: Topband <topband-bounces at contesting.com> on behalf of on7eh <
>>>> on7eh at skynet.be>
>>>> Sent: Sunday, February 5, 2017 4:32 AM
>>>> To: topband at contesting.com
>>>> Subject: Topband: Echo on 160m yesterday morning
>>>>
>>>> For the first time,
>>>> I heard my echoes on topband, yesterday morning starting around 05 
>>>> UTC.
>>>> They lasted for at least 1 hour, with some OFF-periods in between.
>>>> I had to quit at 06 UTC. (still 1 hour before surise)
>>>>
>>>> The echoes were loudest on the short Beverages (<60m long) heading N/S
>>> and
>>>> NE/SW and several dB lower on the NW/SE Beverage. (about 130m long).
>>>> The Tx setup is modest with Elecraft K3/100 and inv L at 15m height,
>>>> sloping down to 11m.
>>>>
>>>> Only DX heard that morning was USA (typical condictions) so I 
>>>> wonder what
>>>> else does hearing echoes indicate?
>>>>
>>>>
>>>> 73,
>>>> Michel, ON7EH
>>>>
>>>>
>>>>
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