(meteorobs) New frequency gives me radio meteor reprieve
David Entwistle
david at radiometeor.plus.com
Sun Nov 29 07:52:53 EST 2009
In message <3fcd5500911290355yfbc97b6se04ac76e30f5d6e3 at mail.gmail.com>,
Narendra Gor <narendragor at gmail.com> writes
>Is there any Frequency for me?
>I am located at Bhuj India
>069-42 E
>23-15 N
>
>I want to note next Geminids in Dec 2009
>
>Narendra Gor
>KAAC
>Bhuj
>
Dear Narendra Gor,
It all depends on your local circumstances, so it's difficult for anyone
who isn't local to say with certainty. in general, you'll need to find a
frequency without any strong local transmissions, but with a powerful
distant transmitter. India is such a large country that you'll probably
be able to locate a suitable station within India itself. But, given
your location in the north west, you could also use transmitters from
Pakistan, Afghanistan, or even Oman.
What's the status with respect to digital television in India? If you
haven't started digital transmission yet, then I'd suggest initially
trying to observe using frequencies around:
55.25 MHz - using Rx tuned to 55.249 MHz, USB demodulator.
62.25 MHz - using Rx tuned to 62.249 MHz, USB demodulator.
There are (were?) several TV transmissions from India which use these
frequencies for the video carrier. You are looking for a frequency where
you DO NOT hear a continuous tone. If you do hear a continuous tone, you
have a local transmission on that channel and you can't use it.
Do you know Nishant Gor, from the Kutch Amateur Astronomers Club. He(?)
asked a similar question in 2001 and may have some experience.
See also:
Khagol Vishwa who appear include some radio meteor observers
http://www.kvindia.org/about.htm
The Indian radio regulator
http://www.wpc.dot.gov.in/
The Pakistan radio regulator
http://www.pta.gov.pk/
The Oman radio regulator
http://www.tra.gov.om
Good luck,
--
David Entwistle
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