[aprssig] Balloon flight this Saturday (Mar 29)

Andrew Rich vk4tec at people.net.au
Wed Mar 26 16:05:12 EDT 2008

Is there an APRS special events calender ?

----- Original Message ----- 
From: "Mark Conner" <mconner at aer.com>
To: <aprssig at lists.tapr.org>
Sent: Thursday, March 27, 2008 4:31 AM
Subject: [aprssig] Balloon flight this Saturday (Mar 29)

> While we're talking about balloon flights......
> NSTAR will have its first 2008 flight (08-A) on Saturday, March 29th, from 
> the Central Plains Severe Weather Symposium in Lincoln, NE.  Launch time 
> will be approximately 1500 UTC (1000 CDT).  Expected flight duration is 
> about 2 hours and max altitude around 90,000 ft.  APRS will be on 144.36 
> MHz 3x/minute using call N9XTN-11 and 144.39 MHz 1x/minute with call 
> N9XTN-12.  Landing is expected near Massena, IA.
> Gusty winds are forecasted for that morning, so there's a chance we'd have 
> to cancel.
> Both 144.36 and 144.39 will have local I-gate support, so we should have a 
> pretty full track from launch to landing.
> The change to 144.36 is a recent one for NSTAR.  Many balloon groups have 
> used 144.34 MHz for an alternate tracking frequency because the practice 
> was started with some ATV balloon flights - the packet racket on the 
> 144.34 ATV calling freq alerted them to check for the balloon downlink. 
> However, we don't really want to do that if we're not flying ATV for them 
> to watch.  Since all I had to do was turn the knob four clicks on RX and 
> TX, it was an easy accomodation.
> Our path for the 144.39 beacon is WIDE2-1, in case anyone asks.  :)  Gets 
> us one digi hop for the near-surface reports without hammering the 
> network.
> NSTAR's website is http://www.nstar.org and the symposium details can be 
> found at http://www.cpsws.unl.edu .
> 73 de Mark N9XTN
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