GPSL : Great Plains Super Launch

GPSL · Great Plains Super Launch

Group Information

Members: 281
Category: Amateur and Ham Radio
Founded: May 2, 2002
Language: English

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Activity within 7 days:

5 New Members - 28 New Messages - New Questions

Description

This list began as a discussion of the annual Great Plains Super Launch, but it has now broadened to be a general discussion of unmanned high-altitude balloons using Amateur Radio for communication.

Most Recent Messages

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Re: Impedance For some reason the Yahoo Groups spam filter held this, and I saw it only just now while doing routine maintenance. Not sure why it got flagged. - Mark Posted - Mon Feb 13, 2012 9:55 pm	Mark Conner n9xtn Offline Send Email
Re: Impedance Thanks everyone for helping me on this. I tried the one below of bills. http://www.eeweb.com/toolbox/wire-microstrip-impedance/ And I must maybe doing Posted - Mon Feb 13, 2012 9:54 pm	Joe nssdz Offline Send Email
Re: BigRedBee beacons and GPS deactivation between transmissions It is a cold start. The microcontroller shuts down the regulator that powers the GPS. The ephemeris and almanac data is still valid since it's backed up by Posted - Mon Feb 13, 2012 8:33 pm	Greg Clark k7rkt Offline Send Email
Re: [Balloon_Sked] CNSP launch, CNSP-15 (K6RPT-10) We were testing lift to weight ratios, pushing the limits on the Hwoyee envelope. The flight could have gone high or burst early. We needed more data on the Posted - Mon Feb 13, 2012 5:12 pm	k6rpt Offline Send Email
Re: BigRedBee beacons and GPS deactivation between transmissions Hmm, interesting idea to save battery life for a long duration flight. Greg from BRB is pretty good at answering questions like this. I have an old BRB GPS Posted - Mon Feb 13, 2012 4:35 pm	Pete Lilja bigheadpete1 Offline Send Email
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Message History

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2012	96	61
2011	142	114	150	215	182	166	275	286	101	89	109	452
2010	78	108	121	303	204	346	388	368	363	177	260	73
2009	123	73	65	99	116	156	371	120	89	77	91	75
2008	50	53	101	76	124	86	148	91	73	68	22	30
2007	71	8	94	31	77	230	130	83	103	86	114	38
2006	75	48	137	58	25	64	97	227	43	21	56	110
2005	39	25	11	37	32	161	169	71	55	91	46	83
2004	19	18	23	13	30	111	169	23	14	21	15	55
2003	23		3	51	51	66	22	2	5		7	27
2002					43	69	205	10	3	1		5

Group Email Addresses

Related Link:
http://www.superlaunch.org
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