“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
Elecraft XG3 RF Signal Source
Photo Credit: Bill Hammond, AK5X The XG3 RF Signal Source is a powerful programmable signal source that fits in the palm of your hand. Miniature RF s... Read more
HF/VHF LINEAR LOADED VERTICAL ANTENNA
The adjustiwave antenna system is an efficient adjustable quarter wave vertical antenna that can be used anywhere between 3.5Mhz and 148Mhz (80m to 2m... Read more
Little Tarheel II | Mobile HF 80-6 Meter Ham Radio Antenna
The Little Tarheel (TH-1L), when properly installed on your vehicle, will provide continuous coverage from 7.0 to 54 MHz with the supplied whip. The L... Read more
Installing Wire Antennas in Trees
Installing Wire Antennas in trees Read Full Article: Read more
VHF
VGC VR-6600PRO
Product Description Place of Origin Fujian, China (Mainland) Brand Name VGC Model Number VR-6600PRO Type Vehicle Mouted Dimensions 157 X 66 X 33.5mm F... Read more
G-Series P25 – VHF UHF and 700-800 MHz
VIDEO http://www.unicationusa.com/ Read more
AOR AR-DV10
AR-DV10 Digital Handheld Scanning Receiver Features : 100kHz-1300MHz analogue & digital modes 10 Digital Modes : TETRA,P25(Phase 1+2),DMR,Mototrb... Read more
Retevis RT87 is Real IP67 Dustproof and Waterproof Two Way Radio
Retevis RT87 Main feature： lIP67 dustproof and waterproof Dual band (VHF&UHF) 128 channel,25FM radio channel FM radio VOX function Scan function R... Read more
Equipment
Ameritron AL-82 AMPLIFIER – TWO 3-500Z
Ameritron AL-82 Ameritron`s Dual 3-500Z AmplifierThe Ameritron AL-82 Linear Amplifier is designed to give you years of trouble free service at the ful... Read more
Hilberling HPA-8000B-54 Power Amplifier
HPA-8000B-54 1kW Out Linear Amplifier 1.8 … 54 MHz Amateur Radio Bands 160 / 80 / 40 / 30 / 20 17 / 15 / 12 / 10 / 6 m All-Mode AM / FM / SSB /... Read more
Wideband RF Switch (5 – 3000 MHz)
Photo: Aditya Mukherjee In an application it was required to use 6 different antennas at 6 nearby locations one at a time as the Bluetooth/WiFi antenn... Read more
VisAir – HF DSP Transceiver Standalone DDC DUC
Microprocessor-based data processing. A distinctive feature of the transceiver is the modern technology of processing data in DSP and output informati... Read more
Digital Modes
JS8Call Overview and Settings 2021
JS8Call Overview and Settings 2021 Read more
FT8DMC 3rd Anniversary-Activity Days 2020
To commemorate our 3rd anniversary, special event stations will be on air during the FT8DMC Activity Days from 1. to 31. July 2020. All stations will... 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
App - Mobile
Training fast CW on Android (Koch method)
The user starts by recognizing only two letters, M and K, at high speed (at least 20WPM) on a 5 minutes session. When she or he will be able... Read more
Updated Android Digital QST App Now Available
A completely rebuilt digital QST app for the Android platform now is available from publisher Nxtbook Media, which responded to readers’ frustrations... Read more
SatSat for IOS version 1.4.11 has been released
SatSat, by Fabrice Aneche is a satellite tracking software, for radio amateurs, scientists or hobbyists. It displays current and next passes for any s... Read more
RFinder – The World Wide Repeater Directory now supports Twitter!
“RFinder has been the ‘Social Repeater Directory’ for a while now with its support of repeater check-in postings to APRS and... Read more
Free App Allows Blind Hams to Work PSK31
A free, new app — Accessible Digipan — has been released that allows blind hams to operate PSK31. The download includes the app, audio tutorials, deta... Read more
