Hubble Space Telescope 25th Anniversary Special Event


[Updated April 23, 2015]

The Marshall Amateur Radio Club will operate a Special Event Station to commemorate 25 years of astronomy by the Hubble Space Telescope. We will operate with our new club callsign NN4SA.

Our on-the-air dates are April 24 – April 29, 2015 — GMT. We begin Friday April 24 at 0000 GMT (Thursday evening 1900 CDT local time). We plan to operate several bands and modes. During local daytime we plan to operate on 20 meter SSB and during local evening on 40 meter SSB. We will probably also try other bands and modes, based on band conditions and operator interest.

As of this writing, we firmed these dates and times:

Friday April 24 0000 GMT to 0200 GMT.
Friday April 24 1700 GMT to Saturday April 25 0100 GMT.
Saturday April 25 1300 GMT to Saturday April 25 1700 GMT.
Saturday April 25 2100 GMT to Sunday April 26 0100 GMT.
Sunday April 26 21 GMT to Monday April 27 0100 GMT.
Monday April 27 2100 GMT to Tuesday April 28 0300 GMT.
Tuesday April 28 2100 GMT to 2400 GMT.
Wednesday April 29 2100 GMT to 2300 GMT.

We very likely will operate during additional times. Please monitor our information on this website [] and our page [].

For up to the minute frequencies and times, please check DX clusters, where we will self-spot.

If you contact us, to receive a special QSL card, please send a business sized SASE to Marshall ARC, c/o Don Hediger ES32, NASA MSFC, Huntsville, AL 35812, USA.

We will also QSL through ARRL LOTW and eQSL.

Hubble_25Please see our Hubble Space Telescope Special Event Page for more details about our special event and the HST 25th Anniversary:



One response to “Hubble Space Telescope 25th Anniversary Special Event

  1. For our first evening of operating we were on 20 meters SSB for a little over an hour, working 60+ QSOs. We also worked a little digital on lower frequency bands. Our website counter on QRZ had over 300 visits during that period, so we know there is interest. Our DX so far has been with Ecuador, Argentina, Norway, and Germany. We were not able to upload our log right away to LOTW, however we successfully uploaded to eQSL right after our operation. We’re looking forward to an excellent commemoration event. Please continue to look for us on the air and we will try to work you. 73 Gary WA2JQZ


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