[radioastro] Re: About Radio JOVE meteor observatories in British Columbia and Pennsylvania
- From: Victor Herrero <hubbleed@xxxxxxxxx>
- To: Marco Nicolini <heygio@xxxxxxxx>, Juan Fernando Tonatiuh Hernández Escobar <cecilixz@xxxxxxxxxxx>, Peter Hughes <PHughes@xxxxxxxxxx>, David Fields <fieldsde@xxxxxxx>, Steve McCauley <esmac@xxxxxxxxxx>, Dave Typinski <davetyp@xxxxxxxxxx>, "Whitham D. Reeve" <whitreeve@xxxxxxxxx>, Terrence Flower <tfflower@xxxxxxxxxx>, Jim Thieman <james.r.thieman@xxxxxxxx>, Divyadarshan Purohit <divyadarshan63@xxxxxxxxx>, Ramón Menéndez-Manjón <ramon.ramon.astronomers@xxxxxxxxx>, Tushar Sharma <sharma.tushar17@xxxxxxxxx>, Alfonso CastilloAbrego <cendap@xxxxxxxxxxx>, Thomas Ashcraft <ashcraft@xxxxxxxxxxxxx>, John Avellone <JGAVELLONE@xxxxxxx>, Arturo Garcia Cole <cole@xxxxxxxxxxxxxxxx>, Dalila Martinez <dmarti@xxxxxxxxxxxxxxxxx>, FRANCISCO BERSUNSES <siriober@xxxxxxxxxxx>, Red Radio Astro <red-radioastronomia-en-espanol@xxxxxxxxxxxxxxxx>, Steve Arnold <steve_arnold@xxxxxxxxxx>, Sajjad Mahdizadeh <sajjadea@xxxxxxxxx>, James H Van Prooyen <grro@xxxxxxxxxxxxx>, Cristian Leon Irribarra <celeon2@xxxxxxxxx>, "Karen & Jim Carson" <kjcarson@xxxxxxxxx>, Pablo Gonzalez <pablomgonzalez@xxxxxxxxxxxxx>, Clint Jeffrey <clintonjeffrey1@xxxxxxxxxxx>, Wanda Diaz <wanda@xxxxxxxxxxxxx>
- Date: Sun, 29 Aug 2010 11:03:46 -0700
Hi Tom and All,
Thank you for your explanations.
Your idea of observing meteors at 20 MHz is very good, and I hope it will
lead to a new and interesting RJ activity.
Best regards,
Victor
On Sun, Aug 29, 2010 at 10:39 AM, Thomas Ashcraft <ashcraft@xxxxxxxxxxxxx>wrote:
> Hola Victor, Francisco, Ramon and all,
>
> First, I want to reiterate that when I am talking about the possibility of
> receiving super-large fireballs on radiojove radios, I am talking about
> receiving them directly. There is some confusion because most radio meteors
> are observed using the forward scatter method which is different than what I
> am writing about specifically here in this email.
>
> It would be very rare to capture a fireball directly at 20 MHz but it is
> very common to receive meteors using the forward scatter method.
> In the Spanish radio astronomy list, managed by Ramon Menendez, Francisco
> has asked me:
>
> "Can meteors be detected using the data streams from:
> Shane Observatory in British Columbia, Canada, at 98.7 MHz
> TCWC Observatory in Almedia Pennsylvania, at 89.3 Mhz"
>
> -----Those observers are using the forward scatter method using reflections
> of meteors off the beams of far-off FM radio transmitters. This method would
> not apply to radiojove radios at 20 MHz.
>
>
> "Where are Meteor events reported by North American and European Observers
> ?"
>
> For news-making world fireballs see:
> http://lunarmeteoritehunters.blogspot.com/
>
> Fireball reports are also listed here although there is a time delay in the
> logs:
> http://www.amsmeteors.org/fireballs.html
> http://www.amsmeteors.org/fireball/fireball_log2010.htm
>
> Note that fireballs large enough to even possibly be received *directly* at
> 20 MHz happen only a few times a year over one location. If a large fireball
> happens you will probably hear about it on your local news and thus can
> check your radio charts.
>
> I hopes this helps. If not, I will try to explain further. :-)
>
> Best regards to all,
>
> Tom
>
> Thomas Ashcraft
> New Mexico
>
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