Oh man, imagine sitting there in the Faraday-caged control room in the National Radio Quiet Zone, in an area in which things are kept so RF quiet that only diesel vehicles are allowed... "Wired" has a very nice on-line article and photo spread on this magnificent antenna:
http://www.wired.com/wiredscience/2009/10/gbt-nrao-tour/
Perplexity AI calculating Zo of a two wire transmission line – comparison
with measurement – updated
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During the process of writing the article Analysis of output matching of a
certain 25W 144MHz PA an estimate was made of the characteristic impedance
Zo of...
6 hours ago
Great dish, Bill!
ReplyDeleteDid you get a chance to visit Jodrell Bank, in Cheshire UK, when you were working here in England? It's not as impressive as the GBT, but it's dripping with history.
Blessings,
Pete G1INF
This is located about 90 minutes driving from where I grew up and about 3 hours driving from where I live now. I've seen it a few times. It is very impresive.
ReplyDeleteHi Bill,
ReplyDeleteHere are some pictures I took at the Arecibo Radio Telescope back in 2004. I grew up in KP4-land and had several good ham friends from Arecibo with whom I crossed paths later at NASA and other posts.
http://www.facebook.com/album.php?aid=52089&id=734741410&l=9547a2a29f
Here are also some pictures from the GBT in 2007. This site is definitely worth as visit as well.
http://www.facebook.com/album.php?aid=52087&id=734741410
73s de Bob WP4BQV/VQ9BQV.