Category Archives: Digital

Articles and Information related to Digital Modes. Topics include PSK, RTTY, JT Modes, APRS, operating using Digital Modes, equipment, software, and more.

An Amazing Recovery: ARISS Packet System Revives

Similar to the AO-7 satellite resurrection several years ago, the Amateur Radio on the International Space Station (ARISS) packet radio system on the International Space Station (ISS) has begun working again. NASA ISS Ham Radio Project Engineer Kenneth Ransom, N5VHO, said over the weekend that reports he’d received indicated that the NA1SS packet signal returned in mid-August.

Source: An Amazing Recovery: ARISS Packet System Revives

It appears that the 2m APRS digipeater on the ISS has come back to life! We’ll see if we can’t set up the digital side of our Portable Satellite Station at our Amateur Radio Exposition for Young People at the Boxboro Convention in September and give it a try!

Fred, AB1OC

ARISS Packet Radio System Expected to be Back Late this Year

The currently silent packet radio system on the International Space Station could be back on the air by year’s end. Amateur Radio on the International Space Station (ARISS) hardware team members have located an original duplicate of the packet module that had been in use on the International Space Station (ISS) before failing more than a year ago, after 17 years of service. With a new battery installed, the unit was tested and found to be functioning…

Source: ARISS Packet Radio System Expected to be Back Late this Year

It will be great to have the ISS ARPS digipeater back on the air again!

Fred (AB1OC)

FT8 Mode on the 6m Band

Anita and I have been operating using the FT8 Mode on the 6m band using our remote operating gateway quite a bit this summer. The SDR-based remote operating gateway in our station allows us to operate…

Source: Operating FT8 Remote on the 6m Band

FT8 Mode on 6m
FT8 Mode on 6m

Our next Tech Night will be about the FT8 Mode. I’ve been using FT8 to work quite a few contacts on the 6m Band this summer using the remote operating gateway in our station. The link to the post above shows how we use the WSJT-X software and other tools to operate using the FT8 digital mode at our station. It also provides links to much of the software that we use to do FT8 and other weak signal digital modes.

Fred, AB1OC

Radio Amateurs Developing Skills Worldwide