Hi Keith, Apologies for spamming the mailing list but I've had some time today to look into a few things and that's brought up a couple questions.
Above you mentioned that it's possible to have both APRS and the telemetry digital protocol running concurrently on some systems. After consulting the manual it appears the option is available only on TeleMetrum v2 and TeleMega boards. To confirm, the TeleGPS (v1 or v2) aren't capable of APRS? I'd have a look at my TeleGPS v1.0 board but I'm in the office at the moment. In the Altusmetrum manual you mention "a single APRS packet takes nearly a full second to transmit, so enabling this option will prevent sending any other telemetry during that time." Given that do you have any recommendations regarding transmission frequency? I'd expect once every 5 seconds would suffice and still leave a decent chuck of transmission for in flight telemetry. But any advice would be appreciated. Finally, I expect to use my Yaesu VX-8GR for ground station/APRS TNC duties. I use it for Big Red Bee comms and it works fine. Given the documentation comments on APRS Format I expect to need to enable the compressed format as you highlight it as a requirement for comms with the newer Yaesu FT1D. But the TeleMega screenshot in the manual doesn't show a line for "APRS Format". Just confirming that if I do have a device that's APRS capable the configuration for the "APRS Format" field would indeed reside in the "Configure Altimeter" window. Thanks for all of your help. Regards, Andrew H. On Mon, Jul 16, 2018 at 9:13 AM, Keith Packard <[email protected]> wrote: > Gary Lech <[email protected]> writes: > > > Greetings, > > I've been studying the TeleMega product in advance of a purchase. From > > what I've read in the documentation the TeleMega is capable of > > transmitting APRS packets such that it can be decoded with my TH-D7A > > or the MobilinkTNC. But in order to receive in-flight telemetry and > > voice altitude, speed, etc, I would need to use the TeleDongle or > > TeleBT which uses a proprietary protocol. Does it transmit both packet > > types in the same flight? Is my understanding correct. > > You're entirely correct, and yes, you can configure the device to send > both APRS and the digital protocol in the same flight. > > -- > -keith > > _______________________________________________ > altusmetrum mailing list > [email protected] > http://lists.gag.com/mailman/listinfo/altusmetrum > >
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