The Detection of Sporadic E, Aurora and Meteors by using 
Radio Spectrum Analysis - Aurora Gallery
by Andy Smith G7IZU

21/01/2005 19:05-19:15 UTC 48.250 MHz
 
This aurora was sparked by a CME ejected from Sunspot #720, in the form of an X 7 flare the previous day. 
The event was short and strong.
 

 
21/01/2005 22:35 UTC 48.250 MHz
 
Second hit, even shorter in duration!
 


 

27/07/2004 14:00-16:00 UTC 48.250 and 59.280 MHz

This daytime aurora lasted for a few hours, and showed quite high Doppler spreads on the signals.

 
22/12/2003 05:05-07:30 UTC 48.250 MHz
A brief aurora during the early hours. The solid, slowly drifting line is interference from nearby equipment. 
Some pings from the Ursids meteors are also visible.

20/11/2003 1905-1927 UTC 48.250 MHz.
Captured during a very strong aurora - reflections coming from several different transmitters. Along the bottom of the plot is an extended time-base view showing that this was an odd deviation for 10 minutes from what had been ongoing for a long period of time that evening. The green border marks the area of the main plot window.



Below: Oct 31 2003 00:30 UTC 48.250 MHz
See the index page for information on this image.

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