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Hello Trip, Per the 2400-4800-PSK-for-APRS-Packet-Radio.pdf document, the "B" modem is the one you should use. Neither version of this modem is superior as it's just a difference in starting "phase".

Research needs to be done.

Hello Basil, The issue here is *connected* AX.25 session so your Winlink connections would be impacted. APRS would not be impacted since it's unconnected traffic and still works fine. The way the

That should have been 4800 bit modem.

I would like to add a 2nd port (on 440Mhz) at a local mtn. top node-- As I have users that use UZ7HO I would like to be compatible for them. I see there are (2) 2400 modes--A and B in UZ7HO. From the

I am NOT seeing your described symptom on various (7) Raspberry Pis running the Linux AX.25 stack with Winlink, APRS & Chattervox at 1200 & 9600 baud. My hardware is mainly RPi 4's and sound cards

Hello Everyone, I wanted to check with the larger community to see if others are experiencing system crashes when making connected AX.25 sessions. I have confirmed that this is NOT an RFI thing and

wrote: One thing the existence of WinRPR does reveal is the DSP techniques used in the encoding and decoding of Robust Packet mode don't require a dedicated DSP that was the case for quite some time.

Hello John, Thank you for the details. Very interesting and the vapn.org link is an interesting read. Considering that this VAPN web page still mentions that the WinRPR software is essentially a

Please do not hijack email threads for new topics. Please re-post your email with a new, relevant subject. --David KI6ZHD

Hi David and John, David, sorry for throwing you into cold water with respect to RPR. John, many thanks for the background. It helps a lot in understanding what is going on. But you are right with

Guess I should chime in since much of the reasoning for WinRPR and TeensyTNC existing is due in part to my plea to SCS to not have Robust Packet die on the vine after the demise of the most excellent

All, Hello all I am embarking out on setting up a iGATE for my local area and have setup Direwolf per the myriad of videos and resources. I have two questions hopefully someone can answer 1. In the dw

Hello Mario, I had to do some Googling for "Teensy RPR TNC" but it seems this is a good starting point. Yes? https://twitter.com/robustpacket?lang=en https://robust-packet.net/ I understand Robust

With the Teensy RPR TNC shortwave AX25 becomes some more traction again maybe. Is there any plan to integrate RPR into Direwolf as well? It would probably be some nice feature to monitor RPR APRS with

Please see the Direwolf archives for this. It's a known issue on the Windows side: /g/direwolf/message/4644?p=,,,20,0,0,0::Created,,CM119+PTT,20,2,0,78512914 --David KI6ZHD

Here's a longer, complete log (with nothing snipped out), showing several connection attempts with different digipeater paths. The radio was turned off, so nothing was received. All connections were

Hello John, Per the comments in https://github.com/wb2osz/direwolf/issues/323#issuecomment-789073309 , please send the FULL output of Direwolf from it's very initial startup until the initial

Direwolf logs an ominous message: INTERNAL ERROR? Stream 0: select_t1_value, rc = 2, t1 remaining = -999.000, old srt = 15.000, new srt = 15.000, Extreme new t1v = 30.500 ... when attempting to

Okay, so I think I'm maybe figuring this out.... Presuming Kissutil has to be running as a service so that it is checking the /dev/shm/TQ and /dev/shm/RQ directories... and I can start kissutil and