(meteorobs) Could this radar be used for meteor forward scatter???

[Raydel Abreu (CM2ESP)]

Thank you Jay.

Well, another radar candidate that fails to be useful for meteors. I will
continue with TV Ch. 9 as long as possible.

Raydel


2013/6/15 Jay Salsburg <jsalsburg at bellsouth.net>

> No, the AN/FPS-85 is not good for meteor observation, it is classified
> technically as a “Very Large Fixed-Array RADAR.”. The reason it is not a
> good candidate for Meteor observation; It is Scanning – Tracking - Scanning
> – Tracking; several hundred times per second. This RADAR can track an
> object the size of a basketball at a distance of more than 22,000 nm.. The
> Buzz you reported is the energy being steered or formed to scan its field
> of view which is due South over the Gulf of Mexico, so using it for forward
> scatter would be ideally somewhere many miles offshore. The facility is
> only a few miles from shore. Meteor observation needs Static or Meta Static
> beacon-like energy. Even Analog Television transmissions are usable but
> still rather noisy. A 100 to 1000 watt 40 to 60 MHz beacon is approaching
> ideal if the receivers are at a proper distance. ****
>
> ** **
>
> Jay Salsburg ****
>
> RADAR Scientist****
>
> ** **
>
> Some links for study…****
>
> ** **
>
> http://www.fas.org/spp/military/program/track/overview.htm****
>
> http://www.globalsecurity.org/space/systems/an-fps-85.htm****
>
> ** **
>
> Lat: 30.5733190 Lon: -86.2147700****
>
> ** **
>
> ** **
>
> *From:* meteorobs-bounces at meteorobs.org [mailto:
> meteorobs-bounces at meteorobs.org] *On Behalf Of *Raydel Abreu (CM2ESP)
> *Sent:* Friday, June 14, 2013 11:34 AM
> *To:* Meteor science and meteor observing
> *Subject:* (meteorobs) Could this radar be used for meteor forward
> scatter???****
>
> ** **
>
> Does anyone know if the AN/FPS-85 radar phased array at Eglin AFB used for
> satellite tracking can be used for meteor forward scatter???****
>
> According to internet sources it is a phased array system, with 1 MegaWatt
> combined power output (30MW EIRP). And it is frequency agile near 442 MHz.
> Some reports says that a receiver tuned on the frequency vicinity it
> produce a kind of buzzing sound.****
>
> Could it be used for meteor forward scatter??? It could be hard to
> identify between satellites and meteors??? So far I had tried with a ham
> 6el yagi for 70cm and got zero response on center frequency during an ISS
> pass. ISS is a big target and I had hear it with NAVSPASUR but no joy with
> Eglin. It should produce some kind of signal amplitude change, I guess???
> Of course, I used a long run of coax with no pre-amp, so perhaps, the
> signal was to low to be detected...****
>
> If this radar can be used for meteor detection it could be great, because
> it has a big power, quite close to my location and even pointing to my
> direction!!!
>
> Any thoughts will be very appreciated. So far I'm using TV Channel 9, but
> the transmitter is quite close, yet some results are being obtained.****
>
> Best wishes,****
>
> Raydel****
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