(meteorobs) Radio meteor specimens using SNOTEL/SCAN at 40.670 MHz CW

[danny garvin]

Thomas the last link for the PDF file did not work it gave me a 404 page not 
available error?





________________________________
From: Thomas Ashcraft <ashcraft at heliotown.com>
To: Global Meteor Observing Forum <meteorobs at meteorobs.org>
Sent: Tue, September 7, 2010 4:09:38 PM
Subject: (meteorobs) Radio meteor specimens using SNOTEL/SCAN at 40.670 MHz CW


I just checked to see what meteor reception conditions are on the 
SNOTEL/SCAN US government meteor burst communication network and I think 
they have a new frequency in place which is 40.670 MHz. I listened at CW 
setting using an ICOM PCR-1000 radio and a simple tv antenna. The system 
seems to be working well and meteors were fully evident.

I made three short sound files of what meteor reflections sound like 
using this system. Note that the sounds are totally different from the 
pinging tones of analog tv transmissions.

Specimen .mp3 sound files:
Typical background meteors at the noon hour:
http://www.heliotown.com/SCAN40.670MHzCW_Meteors2_Ashcraft.mp3

Meteor background at mid-day, low rates but meteors are evident:
http://www.heliotown.com/SCAN40.670MHzCW_Meteors1_Ashcraft.mp3

Fireball with longer lasting ionization:
http://www.heliotown.com/SCAN40.670MHzCW_fireball_Ashcraft.mp3

Info on the SNOTEL/SCAN meteor burst communications system at:
www.wcc.nrcs.usda.gov/ftpref/downloads/factpub/.../SNOTEL-SCAN.pdf


Thomas  |  New Mexico
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