[psas-avionics] Open Source Telemetry Transmitter

2014-02-04 Thread Nathan Bergey
I was pointed to this project the other day by Alexandru Csete, a somewhat well known HAM radio person in Denmark. https://github.com/csete/stlm He's been working with Copenhagen Suborbitals for a while (of course) and he published their radio telemetry work. For once, it's an open source

Re: [psas-avionics] Open Source Telemetry Transmitter

2014-02-04 Thread Jared Boone
On Feb 4, 2014, at 3:37 PM, Nathan Bergey nat...@psas.pdx.edu wrote: - CS: custom hardware, SDR ground station, but does exactly what you want. [Apologies to Nathan for the duplicate message. Mailing list fail on my part.] I feel like a weasel for saying this, since I've only been to *one*

Re: [psas-avionics] Open Source Telemetry Transmitter

2014-02-04 Thread Jared Boone
On Feb 4, 2014, at 4:34 PM, Bart Massey b...@cs.pdx.edu wrote: I'd personally prefer you help Jenner finish up his GPS receiver HW OK, I had the impression from list messages that GPS had already moved forward quite a bit since I was there (in October). I guess this is my cue to go to more

Re: [psas-avionics] Open Source Telemetry Transmitter

2014-02-04 Thread Andrew Greenberg
I guess this is my cue to go to more meetings... Yes! This is definitely your cue to come to more meetings :) Andrew -- --- Andrew Greenberg Portland State Aerospace Society (http://psas.pdx.edu/) and...@psas.pdx.edu C: 503.708.7711

[psas-avionics] LPF's for controls

2014-02-04 Thread Rob Gaskell
Those working on roll control may find the section I wrote up on feedback LPF's as well as the rest of the feedback sensor design interesting: https://github.com/psas/rocket-tracks/blob/master/Documentation/Component%20Selection/RTx%20Controller%20Design.pdf The cutoff frequency/filter order