[Prev][Next][Index][Thread]
Re: (meteorobs) antennae
psmc@ixdot netcom.screwspam.com wrote:
>
> For all those who are interested in radio detection of meteors. We are fortunate, at
> least those who live in the USA, in that we have a ready made transmitters for us.
> Apparently the FAA has established FM transmitters at almost every airport in the country.
> They are used as navigational aids. The signals are brodcasted straight up, which makes
> sense if you are flying in a plane. The only way one can detect these signals on thje
> ground is if they happen to be reflected back towards us, as in the ionization trail of a
> meteor. These transmitters operate in the neighborhood of 75 MHz. Detectors are not
> ready-made, at least not relatively inexpensive ones. However I believe Sky and Telescope
> had plans for one. The issue was several years ago and I do not recall which one it was ,
> sorry,
> Paul S.M. Curran
> psmc@ix.screwspamdot netcom.com
> remove the screwspam to reply by e-mail
The issue Paul is refering to is March 1992, the article was titled
"Radio Waves from a Meteor" and even has a schematic for receiving
very-low-frequency radio waves.
Brian Glover
References: