“QRP” is the topic of the new current episode of the “ARRL The Doctor is In“ podcast. Listen…and learn!
Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone — whenever and wherever you like!
Every 2 weeks, your host, QST Editor-in-Chief Steve Ford, WB8IMY, and the Doctor himself, Joel Hallas, W1ZR, will discuss a broad range of technical topics. You can also e-mail your questions to doctor@arrl.org, and the Doctor may answer them in a future podcast.
Enjoy “ARRL The Doctor is In” on Apple iTunes, or by using your iPhone or iPad podcast app (just search for “ARRL The Doctor is In”). You can also listen online at Blubrry, or at Stitcher (free registration required, or browse the site as a guest) and through the free Stitcher app for iOS, Kindle, or Android devices. If you’ve never listened to a podcast before, download our beginner’s guide.
Just ahead: “NVIS Propagation.”
Antenna
J-POLE REVOLUTION: KB9VBR ANTENNAS
J-POLE When Michael Martens, callsign KB9VBR, set out to make his first J-pole in 2001, his drive was purely utilitarian–the local ham club was settin... Read more
Butternut HF9V 9 Band Vertical Antenna
Brand:Butternut Manufacturer’s Part Number:HF9V Part Type:HF Vertical Antennas and Packages Product Line:Butternut HF9V 9-Band Vertical An... Read more
The Loop Fed Array Yagi by G0KSC
2014 Dayton Hamvention Antenna Check this great Article by G0KSC in .pdf File: DaytonHamvention-V2.2 Alternative Link We Recomend Visit: ... Read more
Radio interference from Solar Panels – RFI
The radio amateurs have known for a long time that PV installations (solar panels) could interfere. For more than 10 years, the VERON has been warning... Read more
VHF
VA3XPR launches an all-digital Yaesu System Fusion repeater in Toronto
Great news for digitally connect hams in the great Toronto area! Today, VA3XPR launches an all-digital repeater using Yaesu’s System Fusion C4FM FDMA... Read more
Two new Wouxun mobile radios have lower prices
Wouxun mobile radios are known for delivering good performance at a fair price. Two models in particular stand out in this category, the popular UHF/V... Read more
What’s Inside The Retevis RT97 Portable Repeater?!
Retevis RT97 Portable Mobile Analog Mode Repeater Features: 1, Customizable: The TX and RX frequencies can be customized between UHF (400-470MHZ) 2,... Read more
KYD IP-VU1A – VHF and UHF
IP-VU1A(waterproof two way radio) Waterproof IP65 Dual band FM radio Frequency Range: 144-146 MHz and 430-440 MHz (expandable to 136-174MHz, 420-520M... Read more
Equipment
The Siru Innovatios SDR20 multi-touch portable SDR
Siru Innovatios SDR20 multi-touch portable SDR Features: 2-channel transceiver operation Two methodologies for implementation: IQ Mod / Demod and Dire... Read more
New! YAESU FTA-750L
The YAESU FTA-750L Combines tradition with innovation. Born from a history of high quality communications the FTA-750L now includes a 66 channel GPS... Read more
Begali CW Key – The Adventure dual-lever key
Begali The Adventure dual-lever key, like its single-lever sibling, the Adventure Mono, was created to give you the finest possible keying experience... Read more
MFJ-868B GIANT HF + 6M, SWR/WATTMETER
MFJ-868B World`s largest SWR/Wattmeter has giant 6½” meter World`s largest HF+6M SWR/Wattmeter measures a giant 6½ inches diagonally across meter scal... Read more
Digital Modes
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
ADIF 3.1.0 was approved today
Dave Bernstein reported this on the DXLabs support group today: ————————————... Read more
FT4 vs FT8 – A new mode, what’s the difference?
The FT4 Protocol for Digital Contesting by K1JT Read more
New FT4 Mode with more 20K spots in few your hours realese
Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting The FT4 Protocol for Digital Contesting by K1J... Read more
App - Mobile
Koch Morse Trainer Pro – Android App
Take your morse code to the next level with Koch Morse Trainer Pro. The only trainer that supports prosigns (procedural signals) and non-english cha... Read more
New! RemoteHamRadio App
Hold a mega-station in the palm of your hand. Wherever you are, you can work DX and log it. Operate from our 18 unique stations to snag a new country,... Read more
Yaesu FT817 CAT Control Setup & BT Remote Control | Android
In this video we run through setting up a bluetooth CAT control for the Yaesu FT-817, using an Android Tablet, bluetooth interface, and Yaesus... Read more
Remote Vacuum Relay Switch, RK-314
Features The RK-3xx series of switches uses vacuum relays. It is designed to switch coaxial lines in RF systems operating up to 5 kW continuous... Read more
HAM QuickLog – IOS App
Mircules HAM QuickLog is great new HAM radio logging software for the iPad, for quick and easy HAM Logging. This handy app helps you to quickly... Read more
