In a message dated 12/1/06 7:23:14 AM Eastern Standard Time,
[EMAIL PROTECTED] writes:
Consistantly over the past 40 years I reaffirm on a daily basis that, at
least on 40M, as the sun lowers in the west I can hear European stations
about 45 minutes to an hour before they can hear me.
On Saturday, December 02, 2006 2:02 PM, [EMAIL PROTECTED] wrote:
If daylight noise is a factor, shouldn't you be having more of it than
hams
in EU at that time?
--
Of course noise takes all forms. Perhaps the noise is manmade electrical
noise that disappears/decreases late at night in
but the background noise from the daylight side masks the
signal as it appears in Europe.
Tom K2TA
- Original Message -
From: Kevin Rock [EMAIL PROTECTED]
To: elecraft@mailman.qth.net
Sent: Thursday, November 30, 2006 10:17 PM
Subject: Re: [Elecraft] One-Way Propagation?
Howdy Jeff
At 10:39 01/12/2006, Tom Althoff wrote:
Consistantly over the past 40 years I reaffirm on a daily basis
that, at least on 40M, as the sun lowers in the west I can hear
European stations about 45 minutes to an hour before they can hear me.
I have no explanation for it but suspect that the
Jeff, as Kevin says 'you will find odd occurrences', and so called 'One Way
skip' does occur probably more often than people used to believe. There are
several explanations as to how this could take place which are too lengthy
to discuss on the Reflector, but one thing is for certain which is
:39 AM
Subject: Re: [Elecraft] One-Way Propagation?
Consistantly over the past 40 years I reaffirm on a daily basis that, at
least on 40M, as the sun lowers in the west I can hear European stations
about 45 minutes to an hour before they can hear me.
I have no explanation for it but suspect
Sorry about bandwidth, my post got lost.
73, Geoff
GM4ESD
- Original Message -
From: Geoffrey Mackenzie-Kennedy [EMAIL PROTECTED]
To: Elecraft Discussion List elecraft@mailman.qth.net
Sent: Friday, December 01, 2006 12:46 PM
Subject: Re: [Elecraft] One-Way Propagation?
Jeff
In addition to the other issues mentioned on this subject, the Earth's magnetic
field causes bending, twisting, and rotation that may not necessarily obey the
law of reciprocity in the reverse direction.
73, de John, KD2BD
Visit John on the Web at:
http://kd2bd.ham.org/
.
.
.
.
Kevin, KD5ONS, wrote:
One way propagation is not unheard of...
Is there really such a thing as one-way ionospheric propagation? My intuition
says no, but I don't have the physics knowledge to back it up. On the other
hand, sometimes it sure seems that stations who ought to be able to hear my
Howdy Jeff,
If you get on 20 meters in the morning, while you are in the early
morning hours and the operator with whom you are working is in an area
later in the day, you will find some odd occurrences. Some days you hear
better than the other op and some days it is the reverse. The
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