Observed arrival · 2026-09-26

RTTYAF puts amateur-radio teletype on Android

rttyaf.app Visit website

Editorial interest 78/100 Selection signal · not a rating of the site

A free, open-source Android app presented as a way to receive and transmit RTTY using a phone or tablet connected to a radio.

Landing page captured for the 2026-09-26 issue.

For: Android-equipped amateur radio operators
Worth noticing: The page names 45.45/75 baud, 170 Hz shift, USB CAT/RTS/DTR keying, and Cloudlog/QRZ upload.

Field notes

The feature list describes tuning controls, a squelch gate, and macros with {VAR} substitutions for details such as callsigns and contest exchanges. The page also says logged contacts can be uploaded to Cloudlog and QRZ. A Google Play build with automatic updates is presented as planned; the current download route described on the page is GitHub.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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