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Reviews of HF QRP digital modes equipment Digital modes can go a long way with very little power. And equipment can be simple to build with various kits available. While you can transmit digital modes from your main transceiver connected to a computer, a dedicated low current draw transceiver, transmitter or receiver might be handy to free your main equimpment for other functions. What are the main digital modes amateurs use on HF? WSPR is basically a slow data rate beacon mode. It's not for two way contacts but can at least establish that a radio path exists. The very popular FT-8 does permit exchanges of callsigns and signal report that meet the minimum requirements for a contact but is not really a conversational mode. JS8 is less used but does permit conversations as well as many other functions such as message storage and relaying. Digital mode HF equipment I've had good results with is reviewed and demonstrated here: CR Kits ADX-S 4 band digital modes transceiver kit   CR Kits 13 transistor 7 MHz FT-8 transceiver   SOTABeams WSPRLite WSPR transmitters (WSPRLite Classic & WSPRLite Flexi)     Zachtek GPS WSPR transmitter   Zachtek multiband WSPR transmitter   Zachtek WSPR-RX Receiver v2   WSPR beacon for ham radio Android app   Learn more about WSPR and what it can do here   Disclosure: I receive a small commission from items purchased through links on this site.

Books by VK3YE Ham Radio Get Started (USA) Australian Ham Radio Handbook (Aust) Hand-carried QRP Antennas More Hand-carried QRP Antennas 99 things you can do with Amateur Radio Getting back into Amateur Radio Minimum QRP Illustrated International Ham Radio Dictionary Make your Passion Pay (ebook writing)   All material on this site (c) Peter Parker VK3YE 1997 - 2024. Material may not be reproduced without permission. Read privacy policy.