Author Archives: k4swl

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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A Simple and Low Cost FT8 Transceiver

Many thanks to Pete (WB9FLW) who writes: Adam Rong BD6CR has designed a simple DSB Transceiver for FT8. Crystals are available for 7.074 MHz. and 14.070 MHz (which can be “pulled” with a trimmer to 14.074 MHz). Using only 4 … Continue reading

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Building a 20M mag loop antenna

(Source: Southgate ARC) Antennas come in many shapes and sizes, with a variety of characteristics making them more or less suitable for various applications. The average hacker with only a middling exposure to RF may be familiar with trace antennas, … Continue reading

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FCC invites comments on ARRL Technician Enhancement proposal

(Source: Southgate ARC) The FCC has invited public comments on ARRL’s 2018 Petition for Rule Making, now designated as RM-11828, which asks the FCC to expand HF privileges for Technician licensees to include limited phone privileges on 75, 40, and … Continue reading

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FT8 growing in popularity, fueled by poor propagation

(Source: Southgate ARC) ARRL report on a survey by Club Log’s Michael Wells G7VJR that shows significant growth in the use of WSJT FT8 during 2018  Wells reported that operators from some 270 DXCC entities were active on FT8 in 2018. “It’s … Continue reading

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Reverend George Dobbs G3RJV Silent Key

We’ve lost an iconic man in the world of QRP: the Reverend George Dobbs G3RJV. (Source: ARRL News) The founder of the GQRP Club and Amateur Radio author the Rev. George Dobbs, G3RJV, of Littleborough, England, died on March 11. … Continue reading

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Now available: WSJT-X 2.0 full release

(Source: Southgate ARC via Mike K8RAT) WSJT-X 2.0 full release now available The WSJT-X 2.0 software suite has been released, and developer Joe Taylor, K1JT, is urging FT8 and MSK144 users to upgrade to what will become the new standard The … Continue reading

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