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Thanks to everyone who helped send the message "HI" to the Juno spacecraft in Morse Code!


Thanks to Doug Grant, K1DG for the nice article!  And good luck to him with the WRTC2014 Championship!



This was the first clean signal I extracted from the thousands of hams who transmitted to Juno simultaneously.

The Juno Waves instrument is a direct descendant of the Voyager Plasma Wave instrument that just confirmed Voyager 1 has entered interstellar space.

I was an undergraduate when I helped build the Voyager instruments.

I gave a talk to the Iowa City Amateur Radio Club on our Say "HI" to Juno project on September 11, 2013, at the Grant Wood Area Education Agency in Coralville, Iowa. http://www.icarc.org

I gave a talk to the 9th grade Astronomy Class at Johnston, Iowa on Sept. 18.

I gavea talk to the Cedar Amateur Astronomers on Oct. 3. I will discuss Voyager and Juno.

I discussed our "Say HI to Juno" project on River-to-River, a program on Iowa Public radio, at noon on October 11.


My first license was a Novice licence WB0QPE, about 1973. Going to college was not friendly to getting CW practice, so that call lapsed, to be replaced by KA0IFS after I graduated. I just barely missed 13wpm and ended up as a Technician. Kids, family and work intervened so I was pretty inactive until getting inspired after the 1998 Derecho event in Iowa. I was sitting at home in the dark, listening to people I knew looking through wreckage for victims. I was teaching the course "Spacecraft Systems" at Iowa State University that fall, which was two hour one way drive. I made a bunch of code practice tapes and listened to them as I went back and forth. The Internet had also come along, so I also used an online 5 character coded group generator at 15wpm so I would be confident to pass 13wpm and get and Advanced class license. Walking into the test session, the first test was the 20wpm Extra test. No errors! I then went on to take the Advanced written, which was no problem, since I'd studied the book. Then they offed me the Extra written which I passed cold having not even looked at the book. I noticed that the VEs were huddled in the back of the room, and one of them comes up to me with an explanation. They didn't have the piece of paper showing I had passed my General written that I had taken twenty years previously at an actual FCC test session, so they could send in the paperwork and I would get my upgrade in the mail in a few weeks, or I could take the General written again and walk out of the session as KA0IFS/AE. So I took and passed the General again. A few months later, KD0L came up available, and I applied for and received that call.



Picture to the left shows me in the foreground as I watch the deployment test of the Juno Waves antennas after we installed them for flight.

Image cropped from NASA photo: KSC-2011-3268

The picture with me and the plane was taken at Mid-Point Charlie in Antarctica, between McMurdo station and the French station Dumont D'Urville. As close to the middle of nowhere as I've ever been. We were testing a wideband low frequency radar (2.5MHz center frequency)

6129108 Last modified: 2015-07-16 00:17:46, 4351 bytes

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