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Re: echo



I missed Saturday morning's transmissions but managed to record both hours
this Sunday morning.  Like Luc I could only barely make out a signal on
6.7925 but heard the signal on 7.4075 MHz more as continuous signal.  By my
ear I could not distinguish between a ground wave and the moon reflected
wave, if there was one.  I recorded the listening sessions using HRD and
used a 10-Mb file size limit and I went to bed around 15-minutes into the
7.4075 transmission.  My setup is modest; an FT-817; ~100-ft RG-213/U to a
Butternut vertical.  There was considerable noise ranging from S5 to S9.

Kevin
N3HKQ



-----Original Message-----
From: amsat-bb-bounces@amsat.org [mailto:amsat-bb-bounces@amsat.org] On
Behalf Of Luc Leblanc
Sent: Sunday, January 20, 2008 4:49 AM
To: amsat-bb@amsat.org
Subject: [amsat-bb] Re: echo

On 20 Jan 2008 at 1:14, Jeff Yanko wrote:

> Did anybody record a .wav or .mp3 file of this experiement.  If so, I
think 
> many would like to hear it.  Especially those who weren't able to take a 
> listen.
> 
> 73,
> 
> Jeff  WB3JFS

It is 0436 am and i recorded about 5 meg near an hour of only one signal on 
7.4075mhz. I will have to listen the whole recordings and recheck them with 
spectran to see if this signal was coming directly from the Moon or from the

HAARP site in Alaska?

I barely guess the signal on 6.7925 Mhz but on 7.4075mhz spectran measure a 
noise floor at +_ -50db and the signal was around -30 db and curiously
without 
the fast fading present on the other broadcast stations around.

I don't believe an echoed signal from the moon can return back through the 
ionosphere when the propagation seems to be rock solid at that time on a
very 
near 40 meter band frequency!

But the experts will probably give their own opinions?  And for those who
can 
get an 1.8 meg .WAV file on their mail server box,  i can send you a short 
piece of my recordings 

Luc Leblanc VE2DWE
Skype VE2DWE
www.qsl.net/ve2dwe
WAC BASIC CW PHONE SATELLITE

 

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