--------
In message <[email protected]>, jimlux writes:

>and, as well, COSMIC-2 is being deployed - 6 satellites each carrying a 
>fancy GPS receiver that does two things: Precision Orbit Determination 
>(POD) using a choke ring antenna; Occultation measurements of the 
>atmosphere using a directive array of helical antennas facing the limb.

How do you orient a choke ring antenna in space ?  Is the distance
for LEO to GNSS orbits long enough that you can still just "point
it upwards" ?

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
[email protected]         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

_______________________________________________
time-nuts mailing list -- [email protected]
To unsubscribe, go to 
http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com
and follow the instructions there.

Reply via email to