Archive for the 'Digital Modes' Category

Passing ARRL Field Day messages the easy way with packet radio

Here is a video of a Virginia amateur radio group passing field day bonus point messages off site using packet radio.

Exciting times in soft modem development

The active and exciting development of the sound card soft-modem terminal node controller modulators/demodulators will help us continue to raise the throughput of our AX.25 connections as new releases arrive.

The need for 9600 bps AX.25

Where AX.25 fits into the ARS digital landscape

Despite its age AX.25 can compete with the slick newer digital technologies. Let’s see where packet fits into the digital landscape.

Understanding digitization

A Youtube video by “Monty” Montgomery explains and demonstrates digitization concisely and expertly.

Packet Radio Reprise?

Throwback AEA PK-88 Terminal Node Controller used for packet radio Field Day NTS messages.

Is packet radio enjoying a revival? The continuing availability of traditional gear plus a surprising list of brand new TNC equipment suggests it may.

Comparing RTTY, PSK and MFSK

Nightime view of the Elecraft KX3 and PX3 for ARRL Field Day 2015.

Using the ARRL field day test message to compare RTTY, PSK and MFSK digital modes.

Good APRS Information Web Site

Here is a good web site on how to set up Packet Equipment for APRS.

Question: APRS Software

Anyone know and good and currently maintained APRS applications?

EasyPal – Image Transfer Made Easy

EasyPal appears to be a great way to manage and transfer computer images via SSB in the HF bands.

Olivia CQ Modes

Is there standard “good practice” for Olivia?