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30 Meter receiver for low power QRSS, PA2OHH

That is possible by using a very slow CW speed. QRS

10Mhz WSPR and QRSS Transmitter Project, G0FTD

The latter simply means sending very slow morse code

30m QRSS Junkbox Beacon

This simple 30m QRSS beacon is built entirely out of junkbox parts

A 30 Mtr Direct Conversion Receiver, M0AYF

It is a simple Direct Conversion design

Audio Spectrum Analyzer, DL4YHF

This program started as a simple FFT program running under DOS

CEJ QRSS and Life Recontemplation

simple radio transmitters at extremely low power to send an extremely slow Morse code message over an extrem

DK8KW Longwave Information Slow CW

overcome this limit, many stations use so-called Slow-CW

G7IZU QRSS information

QRSS transmissions, mostly on 10140 kHz

I2NDT QRSS listenings

un modo estremo di fare radio, esiste anche il QRPP

ICBeacon LF CW/QRSS beacon

This simple beacon is born after discussing with Giulio, ik2ded, on some ideas for LF

Lopora QRSS beacon reception program, PA2OHH

That is possible by using a low CW speed. QRS mean reduce your CW


The amplifier uses a BC547 as a driver and two pairs of BC547

QRSS Keyer

This is a simple QRSS callsign keyer based on an Atmega AVR programmed

QRSS Using absurdly low-speed CW, KA7OEI

The term QRSS is derived from QRS a cw


frequenza 10140,98, khz test con potenza sui 200mW

The Noise Floor

noise present in any radio receiver used for any radio communications system

The QRSS Experiment, IV3ONZ

started with the QRSS Experiment, both receiving and transmitting

WSPRnet activities, DL6NL

What is QRSS, M0AYF

The term "QRSS" is derived from the Q-Code QRS which is used in CW

Modif. December 06 2020

>>>> REFRESH <<<<