What is QRSS?
QRSS is a type of continuous wave (CW) radio signal which uses frequency-shift keying (FSK). QRSS is ultra-narrowband (5Hz bandwidth) and ultra slow speed (about 3 letters per minute). The abbreviation QRSS is Morse code slang for "transmit a lot slower".
Introduction to QRSS
- The New Age of QRSS by AJ4VD
- What is QRSS? by m0ayf
- QRSS and you by ka7oei
- QRSS (slow CW) by AA6DY
Technical Pages
- Simulation of QRSS Signals by pa2ohh
Other QRSS Software
- Argo (website) - closed-source QRSS viewer for Windows
- SpectrumLab (website) - closed-source spectrum analyzer for Windows
- QrssPIG (gitlab) - open-source spectrograph for Raspberry Pi (C++)
- Lopora (website) - open-source spectrograph (Python 3)
- QRSS VD (github) - open source spectrograph (Python 2)
QRSS Hardware
This repository is exclusively devoted to software. I run a separate repository dedicated to theory, design, construction, and testing of QRSS transmission and reception hardware: https://github.com/swharden/QRSS-hardware
Source code last modified on January 20th, 2021
--- title: QRSS - Resources --- # What is QRSS? QRSS is a type of continuous wave (CW) radio signal which uses frequency-shift keying (FSK). QRSS is ultra-narrowband (5Hz bandwidth) and ultra slow speed (about 3 letters per minute). The abbreviation QRSS is [Morse code slang](https://en.wikipedia.org/wiki/Q_code) for "transmit a lot slower". ### Introduction to QRSS * [The New Age of QRSS](https://swharden.com/blog/2020-10-03-new-age-of-qrss/) by AJ4VD * [What is QRSS?](https://www.qsl.net/m0ayf/What-is-QRSS.html) by m0ayf * [QRSS and you](http://www.ka7oei.com/qrss1.html) by ka7oei * [QRSS (slow CW)](https://sites.google.com/site/qrssinfo/QRSS-Slow-CW) by AA6DY ### Technical Pages * [Simulation of QRSS Signals](https://www.qsl.net/pa2ohh/12qrsssim1.htm) by pa2ohh ### Other QRSS Software * Argo ([website](http://digilander.libero.it/i2phd/argo/)) - closed-source QRSS viewer for Windows * SpectrumLab ([website](http://www.qsl.net/dl4yhf/spectra1.html)) - closed-source spectrum analyzer for Windows * QrssPIG ([gitlab](https://gitlab.com/hb9fxx/qrsspig)) - open-source spectrograph for Raspberry Pi (C++) * Lopora ([website](http://www.qsl.net/pa2ohh/11lop.htm)) - open-source spectrograph (Python 3) * QRSS VD ([github](https://github.com/swharden/QRSS-VD)) - open source spectrograph (Python 2) ### QRSS Hardware This repository is exclusively devoted to software. I run a separate repository dedicated to theory, design, construction, and testing of QRSS transmission and reception hardware: https://github.com/swharden/QRSS-hardware