Fwd: [hflink] 1st Radio Astronomer GROTE REBER 100th Birthday

[Paul Dluehosh]

73, 61, and 46 Grote,

Paul -- N4PD
Sent from my iPad

Begin forwarded message:

> From: "expeditionradio" <expeditionradio at yahoo.com>
> Date: December 23, 2011 5:08:13 EST
> To: hflink at yahoogroups.com
> Subject: [hflink] 1st Radio Astronomer GROTE REBER 100th Birthday
> Reply-To: hflink at yahoogroups.com
> 
> Today we celebrate Grote Reber's birthday and the 
> wonderful contributions he made to radio astronomy.
> 
> Grote Reber W9GFZ (22 DEC 1911 – 20 DEC 2002) was 
> the first radio astronomer to conduct a sky survey, 
> when in 1937, he decided to build his own "radio 
> telescope" dish in his back yard in Illinois, USA. 
> At that time, even the word "radio telescope" was 
> not in the lexicon, since it was the first parabolic 
> reflecting antenna to be used as a radio telescope. 
> For about a decade, he was the only active radio 
> astronomer.
> 
> Here is photo of him with his dish:
> http://www.nrao.edu/whatisra/images/grote9.jpg
> 
> He discovered radio emissions from the Milky Way's 
> galactic center:
> http://www.nrao.edu/whatisra/images/grote5.gif
> 
> More information:
> http://www.nrao.edu/whatisra/hist_reber.shtml
> 
> Later... "In the 1950s, Reber sought a field that 
> seemed neglected by most other researchers and 
> turned his attention to cosmic radio waves at 
> very low frequencies (1-2 MHz, or wavelength 
> 150-300 meters). Waves of these frequencies 
> cannot penetrate the Earth's ionosphere except 
> in certain parts of the Earth at times of low 
> solar activity. One such place is Tasmania, 
> where Reber lived for many years. He died in 
> Tasmania on December 20, 2002."
> 
> Regards,
> Bonnie Crystal KQ6XA, VR2KQ6XA
> 
> .
> 
> 
> 
> 
> 
> 
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