“Microphones” is the topic for the latest (April 12) 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.
VHF
IP Radio – Icom IP100H
Icom IP100H Overview Icom’s IP100H WLAN or IP radio is a compact, yet powerful device.Measuring only 95 mm high (~3.7 inches) and weighing 205 grams (... Read more
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
Mirage Amplifier B-320-G VHF, HT/MOBLE AMP, 200W OUT, 144-148 MHZ
Amplifier, HT, VHF, Solid State, 144-148 MHz, 3/50 W In, 200/200 W Out, UHF Fem, SO-239, 13.8 Vdc, 25 A, Each Add this amp to your 2 Meter HTor mobile... Read more
2020 Summer VHF/UHF Field Day Contest
“The 2020 VK Summer VHF/UHF Field Day, a ham radio contest was held on the weekend of January 18th and 19th. The contest is split into either an... Read more
Aeronautical Mobile. Contacts 100 Miles + on a 5 watt Handheld
“This weeks show is slightly different. What if we take the Anytone AT D878 UV plus and put it in almost ideal conditions. How far can a 5 watt... Read more
Setting up APRS on the Yaesu FT3DR Handheld Transceiver – Ham Radio Q&A
Compact Design and Reliable 5W RF Power Output (Selectable 5W/ 2.5W/ 1W/ 0.3W) C4FM Digital V/D Mode, Voice FR Mode, Data FR Mode and Conventional FM... Read more
Equipment
OM4001A – OM POWER amflifier – 4 KW
OM4001A General description and the advantages of the OM4001A amplifier The OM Power model OM4001A is an automatic power amplifier, designed for use o... Read more
AR-ALPHA 10kHz-3500MHz, Digitally processed Professional Grade, Base Type
AR-ALPHA 10kHz-3500MHz, Digitally processed Professional Grade, Base Type Read more
Spiderbeam 26m fiberglass pole ( 85ft )
This pole is built very similar to our well proven 12m and 18m fiberglass poles, and carefully designed to maintain low weight and perfect bala... Read more
ANAN-7000DLE 100W HF & 6M Transceiver
The ANAN-7000DLE HF & 6M 100W SDR Transceiver offers top of the line performance is a compact rugged package, it is based on the work of the OpenH... Read more
Mountain Topper Tri-Bander
Mountain Topper Tri-Bander Developed by Steve Weber KD1JV Designs FULLY ASSEMBLED – Manufactured by LNR Precision, Inc. A very small, very effi... Read more
DX Engineering – RXSHARE Audio Switch DXE-RXSHARE
Audio Switch, Control Box, Independent Selection of Audio from One or Two Transceivers to Two Headphones, Passive Device, Each DX Engineering RXSHARE... Read more
Review
Elecraft KPA1500 Amplifier Presentation
KPA1500 solid-state amplifier won’t take over your entire desktop: it’s just 4.5 x 13.5 x 11.5”. KPA1500 solid-state amplifier won’t take over your e... Read more
IC-7610 – Interview with ICOM
IC-7610 Fiori Films Presents Ham Radio TV: ICOM @ Pacificon 2018. In this video Kevin N6VLF, interviews Will / AA4WJ Faint signals are no longer a cha... Read more
Safely connect several HF radios with mulltiple antennas
“In this video I present the protection measures used in my amateur radio station to be able to connect several HF radios with several antennas.... Read more
Antenna
Discone Antenna
A discone antenna is a version of a biconical antenna in which one of the cones is replaced by a disc. It is usually mounted vertically, with... Read more
MFJ 1982MP End Fed Antenna
“This video is about the MFJ-1982MP End Fed antenna. You can find them using the link below. The MFJ-1982 covers 80-10 meters. This antenna can... Read more
Antenna BEAM 11 elements 3 bands
11 BEAM antenna elements 3 bands Frequency [Frequency]: 28, 21, 14 MHz Number of elements [Number of elements]: 28 MHz – 5 el. 21 MHz – 3... Read more
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
A Super J-Pole Antenna for the 4m (70Mhz)
A Super J-Pole Antenna for the 70Mhz (4m) Amateur band. The Vortex ‘Super J-Pole’ Antenna consists of a five eighth wave vertical radiator, a half wav... Read more
