“Vacuum Tubes” is the topic of the current (February 15) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! More than a half-million downloads since its debut in April 2016 attest to the podcast’s popularity.
VHF
Introducing Hytera Multi-mode Advanced Radio Voice is still critical, enriched with broadband data
Hytera, a leading global provider of innovative professional mobile radio (PMR) communications solutions, officially launched its highly anticipated L... Read more
Ionospheric radio propagation, Skywaves, Skip Distance, & Skip Zone are key aspects
Understanding the way in which HF radio signals actually propagate can help the effects of ionospheric propagation to be used to its best. Skywaves, s... Read more
Radioddity DB25-D – Tiny Mobile DMR Radio
The DB25-D is an interesting DMR radio. It is more powerful than a hand held radio and only partially bigger, but you don’t get to the full 50 w... Read more
IC V86 Review with George Thomas and Ray Novak
The IC-V86 gives you more audio, more RF power, more coverage and more battery capacity in a compact, MIL-STD portable. With 1.5W of receive audio pow... Read more
VHF and UHF FM Transceiver MT-777
Application For on-site communications such as warehouse, manufacturing, hospitality, school and security occasion, etc. Main Features ■ 50 CTCS... Read more
Alinco DJ-X81 0.1~1300MHz Seg TV voice · EWS receive corresponding receive
Base price (excluding tax): 36,800 yen ● reception frequency range: 0.100 ~ 252.895MHz / 255.100 ~ 261.895MHz 266.100 ~ 270.895MHz / 275.100 ~ 379.895... Read more
Review
The Legendary Mountain Topper HF Radios
The Mountain Topper Radios (MTR) are the most svelte top down radio some one can have in their kit without goong full stripped down home brew. They ar... Read more
The Lab599 TX-500 memory keyer in action!
https://twitter.com/SWLingDotCom/status/1296134848403267585 Read more
Elecraft K4 Presentation at QSO Virtual Ham EXPO 2021
Eric demos the K4 with latest features at the QSO Today Virtual Ham EXPO 3_2021 Read more
Elecraft K4 Q&A Eric Swartz WA6HHQ – NG7M @ Hamvention 2019
(4K UHD Version 60fps) Read more
Choosing Your First (Or 5th) Ham Radio Handheld Transceiver
“I got to talk with Tim Factor from Yaesu about some of the handhelds Yaesu offers, while I was at GigaParts. I constantly get questions in emai... Read more
Equipment
Monitor Station Lextel MS-2000
Lextel MS-2000 is an RF Transmitter Station Monitor which analyzes auxiliary devices and antenna characteristics as well as the source that powers the... Read more
SDS200 True I/Q™ TrunkTracker X Base/Mobile Scanner
SDS200 True I/Q™ Receiver TrunkTracker X Direct Ethernet Connectivity for Streaming and Control Complete USA/Canada Radio Database Location Con... Read more
Xiegu GSOC also supports mouse & keyboard operating
1) The presale works for the US only. Radios will be sent from China with DHL free express shipping. 2) For EU countries, please be patient, we’... Read more
Lido Radio – Mobile Mounting Solutions
Lido Radio Products has been in business since 2004. Our mission when we first opened our store was to supply customers with mounting solutions that d... Read more
“New Elecraft K4s in production
K4 TRANSCEIVER We’re pleased to announce our new top of the line transceiver, the Elecraft K4. It combines the latest in direct-sampling technology wi... Read more
XTRX – A high-performance SDR in a mini PCIe form factor
A high-performance SDR in a mini PCIe form factor Features & Specifications RF Chipset: Lime Microsystems LMS7002M FPRF FPGA Chipset: Xilinx Artix... Read more
Antenna
TN07 SFP-102 32′ Flagpole HF Ham Radio Antenna for POTA
“One of the Ham Radio Antennas that I have used most often for POTA – Parks on the Air – is the TN07 SFP-102 32′ telescoping f... Read more
![SUPER VERTICAL 80/160 DX [ New Version 22 m Height]](https://qrznow.com/wp-content/uploads/2020/01/20170307_111539-190x122.jpg)
SUPER VERTICAL 80/160 DX [ New Version 22 m Height]
DX vertical antenna for low-bands 80/160 NEW Height 22 meters 5kw power Elements diameter from 75 to 25 mm Hardware full stainless steel Coil of alumi... Read more
TennTennas Mini EFHW 49:1 25W All Mode SOTA POTA Antenna
TennTennas Introducing the brand new TennTennas Mini. This time it’s even smaller, lighter, and portable. This antenna handles 25 watts of power... Read more
This is a discussion about price, cost and value of antennas
Jim W6LG talks about expensive antennas that do not radiate as advertised. That is to say, an expensive antenna that promises superior results may act... Read more
Green Heron Rotator Controller RT-21azel
Rotator Controller RT-21 Azimuth/Elevation Two separate control boards for independent Azimuth and Elevation New crisp OLED displays Separate Point-an... Read more
Digital Modes
Release: WSJT-X Version 1.8.0
WSJT-X Version 1.8.0 ” 1. New mode called FT8: sensitivity down to -20 dB on the AWGN channel; QSOs 4 times faster than JT65 or JT9; auto-seque... Read more
PSK Automatic Propagation Reporter
This started out as a project to automatically gather reception records of PSK activity and then make those records available in near realtime to inte... Read more
FT4 vs FT8 – A new mode, what’s the difference?
The FT4 Protocol for Digital Contesting by K1JT Read more
K1JT , JOE TAYLOR HINTS AT POSSIBLE NEW MODE!
In a post to the WSJT-X email group today, Joe Taylor K1JT hinted at some ongoing experimentation of a new digital mode with sub-modes. His post was a... Read more
FT4 Video presentation by K1JT
See More about New FT4 Here “At about 20 minutes into the presentation, Joe describes FT4 as being asynchronous, meaning that you can start tran... Read more
HAMS TALK DIGITAL
by:Al Williams Morse code qualifies as a digital mode, although organic brains are somewhat better at copying it than electronic ones. H... Read more
