“We are pleased to announce the availability of V1.0b of the Spectrum Analyser software developed by Steve Andrew specifically for the RSP line of products. This is a very much upgraded version of the original alpha release and includes many new features as well as removing the limitations imposed on the previous version. New features […] Read more
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The hard-working development team led by W1HKJ have announced the release of Fldigi v4.1.08. This maintaneance release of Fldigi brings several bug fixes, performance improvements and several new features.. As with all of the FL suite, Fldigi continues to support both PowerPC and Intel (i386) processors; with individual downloads available for each architecture and can be downloaded here. Version 4.1.08 – Maintenance release - […] Read more
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WSJT-X 2.1.0 Description
WSJT-X implements communication protocols or “modes” called FT4, FT8, JT4, JT9, JT65, QRA64, ISCAT, MSK144, and WSPR, as well as one called Echo for detecting and measuring your own radio signals reflected from the Moon. These modes were all designed for making reliable, confirmed QSOs under extreme weak-signal conditions.
JT4, JT9, JT65, and QRA64 use nearly identical message structure and source encoding (the efficient compression of standard messages used for minimal QSOs). They use timed 60-second T/R sequences synchronized with UTC. JT65 and QRA64 were designed for EME (“moonbounce”) on the VHF/UHF bands; JT65 has also proved popular and effective for worldwide QRP communication at HF. JT9 is optimized for the LF, MF, and HF bands. It is about 2 dB more sensitive than JT65 while using less than 10% of the bandwidth. With either JT9 or JT65, world-wide QSOs are possible with power levels of a few watts and compromise antennas. JT4 and QRA64 are optimized for EME on the VHF and higher bands, and especially the microwave bands from 2.3 to 24 GHz.
FT4 and FT8 are operationally similar but use T/R cycles only 7.5 and 15 s long, respectively. MSK144 is designed for Meteor Scatter on the VHF bands. These modes offer enhanced message formats with support for nonstandard callsigns and some popular contests.
Antenna
The Legendary G5RV Antenna – ARRL The Doctor is In podcast
“The Legendary G5RV Antenna” is the topic of the new (August 15) episode of the ARRL The Doctor is In podcast. Listen…and learn! Read more
3/3 (6) element 50/70MHz Yagi (1.2m)
An Excellent Dual Band Yagi for 50/70MHz with 1.2m boom Model: DB-664 A dualband balun is recommended for this antenna, details can be found HERE The... Read more
Review
Digital Cables and Connectors we see and use in the Ham Shack
“Ken, “Digital Dorsey”, KA8OAD talks about various types of USB, HDMI and DVI cables used around the radio shack.” Read more
News
Report: North Korea Testing Digital Broadcasting on 80 Meters
Radio World reports that the People’s Democratic Republic of Korea (North Korea) has resumed testing digital radio broadcasting on the 80-meter amateu... Read more
WWV and WWVH to Broadcast Defense Department WWV Centennial Greeting, Special Event Reminder
Starting on Monday, September 16, WWV and WWVH will broadcast a US Department of Defense message to mark the centennial of WWV and to announce the WW0... Read more
Amateur Radio Digital Communications Announces Grant to ARISS
Amateur Radio Digital Communications (ARDC), owner and manager of AMPRNet, has announced what’s being called “a very generous grant” to Amateur Radio... Read more
FCC Seeks to Streamline its Hearings Process
The FCC is asking for public comments on procedural changes that, if adopted, would streamline many administrative hearings under the Communications A... Read more
Digital Modes
New Summer EURAO Party to Premier FT4
The motto of the new European Radio Amateurs’ Organization (EURAO https://www.eurao.org/) Summer Party https://www.eurao.org/en/node/1045 is... Read more
World Wide Digi DX Contest
The World Wide Radio Operators Foundation (“WWROF”), in collaboration with the Slovenia Contest Club (“SCC”), is pleased to announce the first annual... Read more
LoTW Now Accepting FT4 Contact
The latest TQSL update (Config.xml version 11.8), released on May 22, includes FT4 as a submode of MFSK. It also adds AISAT-1 and PO-101 in the satell... Read more
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SDRuno v1.32 release ! Read more
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“We are pleased to announce the release of v1.32 of SDRuno. The purpose of this release is primarily to add MRC Diversity functionality for the RSPduo, but it also contains other fixes and additions based on customer feedback. Diversity functionality is described on P.78 of the SDRuno User Manual. A full list of the changes […] Read more
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The hard-working development team led by W1HKJ have announced the release of Fldigi v4.1.04. This maintaneance release of Fldigi brings several bug fixes, performance improvements and several new features.. As with all of the FL suite, Fldigi continues to support both PowerPC and Intel (i386) processors; with individual downloads available for each architecture and can be downloaded here Source: https://www.machamradio.com Read more
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Release notes Version 1.36.0 MAINTENANCE RELEASE Added support to QARTest direct QSO import in Log4OM Communicator (Inbound settings, default port is 9458) Added support to N1MM direct QSO import (UDP Broadgast -> CONTACT option in N1MM settings) in Log4OM Communicator (Inbound settings, default port 12060) Added new CAT mode in settings (Source: N1MM – selection: […] Read more
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“I was privileged to catch up with Mike, WA9PIE, from Ham Radio Deluxe at this year’s Texas Hamcom. He discusses some new features of his software, and some upcoming details also. I suspect we will be seeing more HRD videos on this channel soon. ” Read more
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“N6XI made a presentation to NCCC featuring the N1MM+ Spectrum Display. It covers why you would want to use a spectrum display and why it is better when it is integrated into the logging program. The link is to a pdf of his PowerPoint presentation” Read more
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