[Lowfer] MF Multipath Propagation

[Larry Putman]

Dex,

Could have been the monopole :-)

Larry


----- Original Message ----- 
From: "Dexter McIntyre W4DEX" <dmcintyre@att.net>
To: "lowfer" <lowfer@mailman.qth.net>
Sent: Sunday, January 18, 2004 7:47 PM
Subject: [Lowfer] MF Multipath Propagation


> For several nights Steve Dove ran his Grabulator II on NC Hi-Medfer
> frequency of 1704.983 kHz.  Last night propagation was much better than
> the night before.  At 0041 UT I snapped a shot from his page showing
> what looks like two signals separated by about 0.2 Hz which lasted about
> 2 min.
> 
> Today Steve sent me two captures from last nights run.  One made at 0125
> UT shows a normal fairly clean signal across the whole screen.  Another
> capture made at 0319 shows a lot of what appears to be multipath with a
> short period of dual path signal nearing 0.3 Hz shift.
> 
> I would like to hear some explanations as to what creates this shifted
> frequency.
> 
> The three screen grabs are located at:
> 
> http://w4dex.com/argo/hi_medfer/nc_himedfer_by_stevedove_18jan04.htm
> 
> Dex
> 
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