(meteorobs) Monitoring solution for radio meteor observers in North America
bob
bob71741 at yahoo.com
Sat Jan 5 15:16:35 EST 2013
I agree with the previous offered information for a SNOTEL antenna, but offer another alternative, which works out great for me because of my yard geometry; a MOXON antenna is a design for a folded 2 element Yagi antenna.
Information and software for the design may be found at:
http://www.moxonantennaproject.com/design.htm
--- In meteorobs at yahoogroups.com, Les Rayburn wrote:
>
> Equipment made for the 6 Meter amateur radio band works well at 49 MHz,
> it's readily available and inexpensive. Do a Google search for 6 Meter
> loop antennas, 6 Meter Yagi antennas, etc.
>
> A simple 6 Meter loop placed at 20-30 feet above ground would give you
> omni-directional coverage and good performance with SNOTEL transmitters.
> If you're further away from the sites, or more interested in meteors
> from a specific sky region, then the directional characteristics of a 3
> element or 5 element Yagi would work best.
>
> MFJ in Mississippi sells an inexpensive 3 element Yagi antenna for 6
> Meters for around $100.
>
> The biggest problem with this frequency range is that Sporadic E skip is
> often present during the summer months, and again in December. It's easy
> to misinterpret propagation from Sporadic E--especially if you're using
> an automated "counting" system.
>
> Random meteors from SNOTEL signals are audible here nearly 24 hours a
> day using an Icom 746 Pro transceiver, and a simple 3 element Yagi.
>
> 73,
>
> Les Rayburn, N1LF
> EM63nf
>
>
>
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