PJ4VHF Listen D4C/B – Transatlantic Beacon reception on 144 MHz
A post on the D4C Facebook page says: On May 6, 2015 history was made on contact across the Atlantic on VHF bands on the W-E path: The new D4C... Read more
“This will be a multi-part video that was recorded at Flex Radio HQ in Austin Texas, March of 2019. SmartLink version 3, featuring MultiFlex, is about to be released on their Flex 6000 Series radios. In these videos, we get demonstrations of the Flex Maestro, the 6400, 6400M, 6600, 6600M, 6700 and we get to […] Read more
Maestro and PC at the same time Have your cake and eat it too. With multiFLEX you no longer need to choose between a Maestro and a PC. Now you can operate both at the same time. It’s like having two separate radios! Mix and match your devices: Read more
Applications that work seamlessly with your Flex Radio. Any comments can be sent to the Flex Community
FlexRadio Mestro
Flexradio Power Amp. 1.5KW
VHF
Motorola APX™ 8000
With 4 RF bands and multi-mode system access, the APX 8000 knows no limits when it comes to interoperability. Whether it’s loud or windy, wheth... Read more
New 144 MHz Transatlantic Record Reported
The claimed transatlantic record on 2 meters has been extended to nearly 4,760 kilometers (2,951 miles). “The incredible tropo conditions between Cape... Read more
New UHF ISS Digipeater!
“Recently, the old VHF Ericsson handheld used for the digipeater on the ISS died and it was replaced with an equivalent UHF one. This is my firs... Read more
Digital Modes
ADIF 3.1.0 was approved today
Dave Bernstein reported this on the DXLabs support group today: ————————————... Read more
WinLink Radio Email with Yaesu FT-891
“Hello operators A few operators have left comments with concerns about the reported USB clicking on the Yaesu ft-891. Apparently one or more op... Read more
HamRadioNow : Digital Voice is EXPLODING
HamRadioNow Read more
Equipment
New Dual Inline Module – GAP Antenna
The new GAP Dual In-Line DSP noise eliminating module provides two channel/stereo noise cancellation, and is suitable for use on all radios and receiv... Read more
2 Pair Freetalker Walkie Talkie Two-Way Radio Wrist Watch
Quick Overview The wristwatch walkie talkie can offer you the freedom to go anywhere and do anything–from weekend hiking to just hanging out at... Read more
RM Italy BLA-600 Review with Martin Lynch
The BLA 600 is a wideband compact, fully automatic 500W wideband linear amplifier for the HF bands and 6m, from 1.8 to 54 MHz. Totally ideal for runni... Read more
Bose unveils its first wireless noise-canceling headphones
Bose QuietComfort 35 This is the Bose product a lot of people have been waiting for, the QuietComfort 35, an active noise cancelling headphone that... Read more
Antenna
Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas GP-15
Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas provide good gain figures on the 6-meter, 2-meter, and 70-centimeter bands in a compact 7.9 foot p... Read more
Indoor Attic Dipole Antenna for Ham Radio & CQ Antennas Center Insulators
“Viewer request to try out an antenna for Ham Radio in the attic. Using the CQ Antennas Center Insulators from KE5FEN. Thanks David for the insu... Read more
The 40/80/160 Meter Coil-loaded Inverted V Dipole Antenna
The 40/80/160 Meter Coil-loaded Inverted V Dipole Antenna See all details: Link Read more
Tuner free directional HF Multiband Field Expedient Antenna kit
Description: This 10-80 Meter Multiband FEA (Field Expedient Antenna) Kit enables you to customize your Alpha Multiband HF Antenna. The kit can then b... Read more
This is a view from NASA of the sun today, October 9, 2018, and I am making 10m DX contacts one after another. Zero sunspots but working DX on FT8! Is FT8 creating a “tipping point” for amateur radio at the very bottom of the solar cycle? Several years ago I was captivated by a book written […] Read more
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FlexRadio Comparison
| Radio Model | FLEX-6400
|
FLEX-6400M
|
FLEX-6600
|
FLEX-6600M
|
FLEX-6700
|
|---|---|---|---|---|---|
| MSRP | $ 1999 | $ 2999 | $ 3999 | $ 4999 | $ 7499 |
| 100W Transmit Output 160-6m |  |
|
|
|
|
| Maximum Simultaneous Panadapter/Waterfalls & Slice Receivers |
2 | 2 | 4 | 4 | 8 |
| Reciprocal Mixing Receiver Dynamic Range |
115 dB | 115 dB | 115 dB | 115 dB | 116 dB |
| ADC Sampling Rate | 122.88 Msps | 122.88 Msps | 245.76 Msps | 245.76 Msps | 245.76 Msps |
| Contest Grade Preselectors | 3rd Order | 3rd Order | 7th Order | 7th Order | 3rd Order |
| Spectrum / Waterfall Maximum Bandwidth |
7 MHz | 7 MHz | 14 MHz | 14 MHz | 14 MHz |
| Automatic Antenna Tuner | OPT | OPT | |
|
|
| Cableless Digital Modes | |
|
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|
|
| Full Duplex Operation | |
|
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|
|
| Simple Remote over Native WAN | |
|
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|
| Maestro, PC, MAC and iPAD Operation | |
|
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| External 10MHz Reference Input | |
|
|
|
|
| Receive Only Inputs including Transverter Ports |
2 | 2 | 4 | 4 | 3 |
| Continuous MARS/CAP TX Coverage | OPT | OPT | OPT | OPT | |
| GPS Disciplined Oscillator Option | OPT | OPT | OPT | OPT | OPT |
| Diversity Reception | |
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| Single Radio SO2R | |
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| Dedicated Balanced Mic Input (XLR/TRS) |
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| 2 Meter RX/TX (5dBm output power) | |
||||
| Integrated Display Resolution | 1920×1200 | 1920×1200 | |||
| Integrated Display Size | 8 in | 8 in | |||
| Touch screen type | Capacitive | Capacitive | |||
| HDMI Output | |
|
Antenna
Aviation (Airband) 118 – 128 MHz J-Pole Antenna
J-Pole Antenna Product Description The airband J-Pole antenna is tuned for the 118 – 128 MHz aircraft aviation band. Aviation fans prefer this antenna... Read more
3D Printing – A Ham Radio dipole center with BNC and 1:1 balun
Showing how easy and quick it is to design a custom center insulator for a dipole Here’s the 3D part if you want to print one for yourself.... Read more
Wireless Loop Antenna Amplifier
The Loop Antenna Amplifier contains all the electronics needed for home DIY construction of an active loop (magnetic loop) low noise receiving antenna... Read more
Modeling Common Dipole Variations
“Viewers queried me about what happens when you shorten a dipole by letting the ends hang down, or have to put up a dipole that can’t be i... Read more
Baluns: What They Do And How They Do lt by W7EL
“I’ve always been a bit bothered by balunst since I was never sure what they are supposed to dot let alone hotv they might go about... Read more
Review
Introduction to the SOTABeams Wolfwave
SOTABeams Features Fully adjustable audio band-pass filtering instantly adjustable for voice, data and CW (b/w 50 Hz to 5 kHz) VIDEO State-of-the-art... Read more
Ailunce HD1 review by Rowen Warren（KE0RTL）
Ailunce HD1 Review A few weeks ago, I received my Ailunce HD1. This is my full review of the radio. The radio itself is high quality. The quali... Read more
Unboxing the TYT TH-8600 Mini-Mobile Radio
TYT’s newest addition to their analog radio line is the TH-8600, which is a full-color screen dual band mini-mobile radio. Outputting 25-watts o... Read more
Retevis RT-95 Dual Band Mobile Transceiver Review – Ham Radio Q&A
New Black Retevis RT95Dual Band 200 Channels Mobile Car Radio Description: RT95 Mobile Radio has nice housing, stoutness & stability, advanced and... Read more
Coaxial Cables Common Parameters
What are the most common important coaxial cables parameters? Many different coaxial cables exist, but they all share a numbers of common param... Read more
News
IARU Receives Gift of hamradio.org Domain
Andrew J. Wolfram, KI7RYC, has donated the hamradio.org domain to the International Amateur Radio Union (IARU) for non-profit educational us... Read more
ARISS is Seeking Hosts for Ham Radio Contacts with the Space Station
Amateur Radio on the International Space Station (ARISS) is seeking formal and informal educational institutions and organizations, individually or wo... Read more
MARS Announces Schedule of Dates for 60-Meter Interoperability
The Military Auxiliary Radio System (MARS) has announced dates in 2021 during which MARS members will operate on 60 meters for interoperability... Read more
Plans to Retrieve Titanic Wireless Equipment Put on Indefinite Hold
RMS Titanic, Inc., (RMST) the company that owns salvage rights to the Titanic shipwreck, has indefinitely put off its plans to retrieve the... Read more
A New Version of WSJT-X is Now Available
The WSJT Development Group has announced the general availability release of WSJT-X Version 2.3.0. A summary of new features can be found in the WSJT-... Read more
SATSAGEN SPECTRUM ANALYZER SOFTWARE UPDATED: NOW SUPPORTS RTL-SDR
Back in March last year we first posted about the release of SATSAGEN, and program by Frank (HB9FXQ) that allowed the PlutoSDR to work as a spectrum a... Read more
FlexRadio FlexRadio Systems announces the immediate availability of SmartSDR v2.4.9 for the FLEX-6000 Signature Series SDRs. SmartSDR v2.4.9 is a General Availability (GA) release containing new features and fixes for SmartSDR for Windows, SmartSDR for Maestro, SmartSDR CAT and DAX. SmartSDR 2.4.9 can be downloaded from the FlexRadio Systems website. Please download and review the SmartSDR v2.4.9 Release […] Read more
