About Airplanes & Rockets

Kirt Blattenberger, Webmaster - Airplanes and Rockets
Kirt Blattenberger
Carpe Diem!
(Seize the Day!)

Even during the busiest times of my life I have endeavored to maintain some form of model building activity. This site has been created to help me chronicle my journey through a lifelong involvement in model aviation, which all began in Mayo, MD. There is a lot of good information and there are lot of pictures throughout the website that you will probably find useful, and might even bring back some old memories from your own days of yore. The website began life around 1996 as an EarthLink screen name of ModelAirplanes, and quickly grew to where more server space ...

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Copyright 1996 - 2016
Webmaster:
Kirt Blattenberger
BSEE - KB3UON
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Modeling Resources

Academy of Model Aeronautics (AMA) - Airplanes and Rockets
Academy of Model Aeronautics

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Tower Hobbies

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Amateur Radio Astronomy Articles in QST

Amateur Radio Astronomy Articles in QST - Airplanes and RocketsQST is the official publication of the Amateur Radio Relay League (ARRL), the world's oldest and largest organization for Ham radio enthusiasts. Many amateur radio operators also have an interest in astronomy and as such, occasionally articles appear covering topics on amateur radio astronomy. There are also quite a few articles dealing indirectly with aspects of astronomy such as Earth-Moon-Earth (EME) communications where signals are bounced off the moon's surface in order to facilitate transmission (although it is really more of a hobby achievement).

The October 2012 edition of QST had an article entitled, "Those Mysterious Signals*," which discusses galactic noise in the 10-meter band. Arch Doty (W7ACD) writes about the low-level background noise that is persistent in the high frequency (HF) bands. At HF, Cygnus A and Cassiopeia A are major sources of cosmic noise, for example. Low level signals come from pulsars, quasars, black holes, and other remote objects that were created during the early formation of our universe. Chart of signal strength of baclground RF noise as a functon of frequency (source: October 2012 QST) - Airplanes and RocketsHowever, the strongest background noise emanates from the center of the Milky Way galaxy with a source that is a mere 27,000 years old. Radio astronomy amateurs measure and publish relevant information as a resource for other amateurs as well as for professional radio astronomers. As with most technical hobbies these days, the state of the art in both equipment and methods is very advanced - often in the realm of professionals.

Mr. Doty credits Dr. Darryl Emerson for assistance in the writing of the article, and points readers to two article written for QST by Dr. Emerson (June and July, 1996). The National Radio Astronomy Observatory (NARO) website has a page on their website with hyperlinks to a few articles on amateur radio astronomy,, including the two in QST from Dr. Emerson.

* QST login required

 

 

 

 

 

 

 

Posted November 27, 2012