Re: [altusmetrum] AO_IGNITER_FIRE_TIME

2011-02-26 Thread Bdale Garbee
On Fri, 25 Feb 2011 23:22:03 -0800, DK Duncan dun...@quantumlogic.net wrote: Does anyone see any unknown side effects to this change? Aside from this file, I haven't looked much further into the code. Well, I don't think you'll really hurt anything, but there are two issues to ponder. The

Re: [altusmetrum] AO_IGNITER_FIRE_TIME

2011-02-26 Thread DK Duncan
On Sat, 26 Feb 2011 01:57:57 -0700 Bdale Garbee bd...@gag.com wrote: The first is that because we're putting a very low resistance across the LiPo when firing a pyro channel, and LiPo batteries have a very low source impedance, there's a *lot* of current flowing. As long as your match

Re: [altusmetrum] Telemetrum UHF Antenna Options

2011-02-26 Thread Bdale Garbee
On Sat, 26 Feb 2011 02:44:34 -0800, DK Duncan dun...@quantumlogic.net wrote: If you want a really really cheap easy to build antenna for hand held ground station use, consider the cheap yagi. Yep! Kent's designs work great. I've used them for roving in UHF contests up through 1296 Mhz. My

Re: [altusmetrum] AO_IGNITER_FIRE_TIME

2011-02-26 Thread Keith Packard
On Sat, 26 Feb 2011 01:52:43 -0800, DK Duncan dun...@quantumlogic.net wrote: On Sat, 26 Feb 2011 01:57:57 -0700 I had considered both actually. When issuing i DoIt drouge, the prompt returns in about 2 seconds as expected. A subsequent t shows that the ematch still has continutity so it's