Ryan and David had a pretty rough time getting satellite lock in a 4-rail
tower at Black Rock:

http://www.rocketryforum.com/showthread.php?66948-MLP-(HB2-1)-Rocket-Flight-to-63k-ft-M3-9&p=726720#post726720

I don't know if either of them monitor this list but I'll bug them to see
if they had any other feedback. (All three of us are working on the next
version... it's a little bigger, and sticks out of the tower a little
further, so hopefully it will eliminate the problem ;))

--david

On Mon, Jul 13, 2015 at 12:02 PM, Bdale Garbee <[email protected]> wrote:

> Chris Attebery <[email protected]> writes:
>
> > My main worry at this point is that my rocket will be launching from a
> > tower with 3x 1" steel tubes surrounding the altimeter. If it takes 10
> > minutes getting a lock in open air how long will it take in the tower?
>
> Might be longer, might be shorter.  For whatever reason, I almost always
> get lock faster on a launch rail than at home... perhaps because our
> launch sites are usually in wide open areas with no near-field trees and
> a great look at the sky?
>
> Your best bet is to ground test in the tower ahead of the launch, if you
> can.
>
> Bdale
>
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