Re: [amsat-bb] P3D information

[Jon Ogden <na9d@xxxxxxxxxxxxxx>]

I've always stated that at Apogee, you'll need more than a portable station.
You are correct that during a perigee pass, you'll be able to use a smaller
setup.  Guys do this with AO-10 all the time.  However, perigee passes won't
be happening every day like they do with LEOs.

73,

Jon
NA9D

on 10/6/00 11:24 AM, K5OE@aol.com at K5OE@aol.com wrote:

> Come on guys!  You make it sound like only an AO-10-class station will be able
> to access the bird.  The satellite isn't always at apogee.  It's perigee
> passes will be at least as long as a typical LEO's duration and the link
> margin predictions easily indicate omni antennas at home or a mobile rig with
> an Arrow Antenna would work FB.  Remember, its "the satellite for everyone."
> 73,
> Jerry, K5OE
> 
> 
> Bob Bruninga <bruninga@nadn.navy.mil> writes:
> 
> << On Thu, 5 Oct 2000, Jon Ogden wrote:
> 
>> Let's be realistic about this folks.  Working P3D at 43,000 KM is far
>> different than working UO-14 at 900 KM.  BIG DIFFERENCE.
> 
> Like 33 dB!  So if you do it with 5W into UO-14 you need 10,000 W to do
> it with P3D!  But P3D does have GAIN antennas where as UO-14 does not.
> But this still only makes up a fraction of the difference...
> 
> Bob
> 
> 
> ----
> Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
>>> 
> 
> 


-------------------------------------
Jon Ogden
NA9D (ex: KE9NA)

Member:  ARRL, AMSAT, DXCC, NRA

http://www.qsl.net/ke9na

"A life lived in fear is a life half lived."

----
Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org