Linux: Latency Mitigation

New documents published to help mitigate latency induced issues for Linux users.

“New” 10m band NET10 QRG

We have coordinated a thing

Packet Radio / QRG Update

This update does not affect anyone using 14.105 LSB with a standard old fashioned TNC. For those operating on the USB QRG, we have recently had to alter the QRG dial frequency slightly up and compensate by moving one of the modem tone pairs down 100hz in order to put sufficient spacing between the multimode […]

New RPI4 Image Available

My first RPI image has been created to flash an SDCard which will boot a RPI4 into a bank of TNCs – ARDOP, Packet and VARA for use simultaneously. With huge thanks to the WheezyE Winelink project for the integration of VARA on Linux, this image includes all the setup tweaks to get them all […]

VARA, ARDOP and QtSoundModem as System Services

New article – making the setup run smoothly by leveraging the power of systemd process management to monitor and control the various TNCs with remote provisioning of their interfaces for convenient visual monitoring.

BPQ32 Rig Control – VOX and/or CAT PTT

An additional segment for the VARA and native Linux TNC modem tutorial focusing on getting them working together on a single audio interface as well as control the radio PTT keying simultaneously across all TNCs

RPI4: VARA & Syslog

New Article: Leveraging the native Linux rsyslogd to monitor the VARA TNC

RPI4 Trifecta: VARA, Packet & ARDOP – One Audio Interface

A major new development for anyone interested in running a Raspberry Pi4 with VARA, ARDOP and Packet modem QtSoundModem together on a single audio interface. The last hurdle standing between a full Linux integration of the popular and extremely powerful but Windows-only x86 application VARA on very low power ARM architecture has now been crossed […]