Author Archives: k4swl

The Hermes-Lite SDR: an open source QRP transceiver based on a broadband modem chip

Note: This is a cross-post from the SWLing Post. Many thanks to Pete (WB9FLW), who shares the following: Don’t know if you are familiar with this project, a full blown 5 watt HF SDR Transceiver for less than $300! No … Continue reading

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FT8 transceiver kit: CR Kits taking orders

Many thanks to Pete (WB9FLW) who writes: Thomas,Adam of CR Kits is now taking orders for his FT8 Transceiver Kit and the price is very reasonable. From Adam at CR Kits: FT8 transceiver kit Folks,I start to take email order … Continue reading

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How To Convert QRP Labs QCX Transceiver to SSB

Many thanks to Pete (WB9FLW) who shares the following: This is truly amazing, Guino PE1NNZ has converted the QRP Labs $49 CW Transceiver to SSB. Not much to add, a ATMEGA328P plus some firmware and a few component value changes … Continue reading

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EQUINOX: A novel that blends sci-fi with ham radio

Note that the following is a cross-post from my other radio blog, The SWLing Post: Many thanks to SWLing Post reader and author, DM Barrett (N4ECW), who recently shared the following press release which features his latest book: FOR IMMEDIATE … Continue reading

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The CR Kits FT8 DSB Transceiver: Some preliminary information

Many thanks to Pete (WB9FLW) who notes: Adam BD6CR of CR Kits is getting close to releasing the FT8 DSB Transceiver. Below is some preliminary information: D4D: A simple QRP transceiver for FT8 Adam Rong, BD6CR D4D stands for DSB … Continue reading

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FT4 digital mode now available in WSJT-X release candidate 5

(Source: Southgate ARC) The new amateur radio digital mode FT4 is now available for download as part of WSJT-X Release Candidate 5  You can download wsjtx-2.1.0-rc5-win64.exe (or for other O/S) from near the bottom of the page at http://physics.princeton.edu/pulsar/k1jt/wsjtx.html FT4 Protocol document http://physics.princeton.edu/pulsar/k1jt/FT4_Protocol.pdf See … Continue reading

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New digital mode: Joe Taylor (K1JT) has announced FT4

(Source: Southgate ARC) Joe Taylor K1JT has announced a new digital mode, FT4, which is 2.5 times faster than FT8  FT4 is an experimental digital mode designed specifically for radio contesting.  Like FT8, it uses fixed-length transmissions, structured messages with formats optimized … Continue reading

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Ham Radio Digital Modes: Joe Taylor talks FT8 and introduces FT4

Many thanks to Pete Eaton (WB9FLW) who shares the following note and video: Here is a You Tube Video of a presentation given by Joe Taylor last night at the Fair Lawn ARC Club Meeting on FT8 & Beyond an … Continue reading

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The ALT-512: A new general coverage QRP transceiver

Note: The following has been cross-posted from our other radio site, the SWLing Post. There’s a new QRP transceiver on the market: the twelve band ALT-512 by Aerial-51. At first glance, you’ll see a similarity between the ALT-512 and the … Continue reading

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New Product: Kev-Flex Stealth Kevlar Antenna Wire

My good friend David Cripe (NMOS) has recently informed me about a new product he’s offering to the radio community via his eBay store: Kev-Flex Stealth Kevlar Antenna Wire. Kev-Flex looks like a superb option for field antennas of all … Continue reading

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