YouTube recordings and PDF files from the 2021 Propagation Summit hosted on January 23 by Contest University are available. More than 1,000 logged in for the sessions. Each presentation begins approximately on the hour. You can advance the video to the presentation you wish to view.
- 11 AM – “Update on the Personal Space Weather Station Project and HamSCI Activities for 2021” by Dr. Nathaniel Frissell, W2NAF
- 12 Noon – “Solar Cycle 25 Predictions and Progress” by Carl Luetzelschwab, K9LA
- 1 PM – “Maximizing Performance of HF Antennas with Irregular Terrain” by Jim Breakall, WA3FET
- 2 PM – “HF Propagation: What to Expect During the Rising Years of Solar Cycle 25,” by Frank Donovan, W3LPL.
Slides decks are available for each presentation in PDF format: Frissell; Luetzelschwab; Breakall, and Donovan.
source:ARRL
Antenna
Squalo antenna for 6m by PA3HCM
Introduction – Squalo antenna Adri PA0RDA, a friend of me, is trying to do some DX on 6m for a while now. His antenna position is... Read more
NVIS Antennas – DXE-NVIS-8040S – DX Engineering
NVIS Antennas Antenna, Short Dual Dipole, Portable, NVIS, 80 and 40 Meters Dual Band, Kit Wire Antenna Band 80 meters 40 meters DX Engineering 8040... Read more
Antenna Traps You Can Make – Simple Construction Project
Here is a simple construction project that you can carry out. Read more
Comet HFJ-350M Portable HF antenna -9 Bands
The Comet FHJ-350M, Portable 9-Band, 1/4 wave base loading telescopic antenna for HF through 6M. Frequency can be changed by means of shorting plug. C... Read more
Measuring Propagation Attenuation Using a Quadcopter by N6GN
These tests show that the signal strength of a local station can be many tens of decibels weaker than from a DX station. For the last several years I... Read more
Review
How to Read Crossed-Needle SWR/Watt Meters
How to Read Crossed-Needle SWR/Watt Meters Read more
Elecraft K4 Updates from Orlando Hamcation 2020
HIGH-PERFORMANCE DIRECT-SAMPLING SDR Our new K4 doesn’t just harness the latest technology: it blends new tech with a classic user interface to create... Read more
MFJ-868B Giant SWR/Wattmeter
MFJ touts the MFJ-868B Giant SWR/Wattmeter as the World’s Largest HF SWR/Wattmeter. The MFJ-868B measures peak, average forward and reflected power an... Read more
Is Ham Radio Dead? Is Ham Radio Doomed?
“Lots of speculation and knee-jerk reactions exist on social media about whether or not Ham Radio is Dead. I wonder what the statistics say? Let... Read more
Chameleon MPAS 2 NVIS (Near Vertical Incidence Skywave) Antenna
“Part 2 of my look at the Chameleon MPAS 2.0 Modular Portable Antenna System. I set the antenna up in the horizontal NVIS (Near Vertical Inciden... Read more
Equipment
The DUC/DDC HF/VHF SunSDR2 transceiver
SunSDR2-transceiver – is an up-to-date system of the amateur radio communication in the HF and VHF frequency bands with the digital signal proce... Read more
IC-R8600 – Wideband Communications SDR Receiver
The IC-R8600 is a super wideband communication receiver that covers the radio spectrum from 10 kHz to 3 GHz. It also has the capability to decode sele... Read more
Hi-Z Antennas Shack Switch 2 SS2
Hi-Z Antennas Shack Switch 2 is a modern array direction selection console with an easy to use, large manually operated knob with a continuous rotatio... Read more
Ameritron ATR-20 Antenna Tuners ATR-20
Ameritron ATR-20 Antenna Tuners are versatile, high-power antenna tuners. The ATR-20’s roller inductor “T” matching network continuo... Read more
New ! Ameritron SDC-104 Screwdriver Controller
Ameritron SDC-104 Super accurate tuning . . . Ultra-fast . . . Extremely Reliable . . . 88 memories . . . StallProtector . . .Fully RFI protected . .... Read more
News
ARRL Now Provides Free RF Exposure Calculator
The FCC has adopted guidelines and procedures for evaluating environmental effects of RF emissions. Under the new FCC rules, some amateurs need to per... Read more
Faith Hannah Lea, KD3Z, is Amateur Radio Newsline 2021 Young Ham of the Year
Faith Hannah Lea, KD3Z, of Palm Coast, Florida, has been selected as the 2021 Bill Pasternak WA6ITF Memorial Amateur Radio Newsline Young Ham of the Y... Read more
Just Released: More Arduino for Ham Radio
The new book More Arduino for Ham Radio by popular author and experimenter Glen Popiel, KW5GP, builds on the success of his two previous titles, Ardui... Read more
Woody White, KZ4AK, Wins the July 2021 QST Cover Plaque Award
The winning article for the July 2021 QST Cover Plaque award is “A Sensitive Field Strength Meter for Foxhunting,” by Woody White, KZ4AK. The QST Cove... Read more
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SSTV Transmissions Scheduled from ISS [ August 6 – 7 ]
Friday and Saturday, August 6 – 7, Russian cosmonauts onboard the International Space Station (ISS) will transmit slow-scan television (SSTV) images f... Read more
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