“How high should a dipole be? What happens if it’s too low or too high? We turn to EZNEC antenna modeling software to see that the old rule of thumb of one half wavelength is correct. But there are lots of things going on!”
Equipment
Yaesu FT 100
Features 160-2 meters +440 Electronic Keyer 200 Memories DSP BR, Notch 100 Watts HF Output 50 Watts 2 Meter Output 20 Watts 440 MHz Ou... Read more
2050 Advanced HF Transceiver
The Barrett 2050 HF transceiver In addition to providing all common modes of HF transmission, most currently used selective call formats and MIL STD 1... Read more
LDG – AT-1000ProII – Antenna Tuner
LDG – AT-1000ProII – Antenna Tuner Building on the success of the AT-1000Pro, LDG Electronics has refined and expanded its flagship 1KW t... Read more
Ailunce HS1 HF SDR HAM Transceiver
Ailunce HS1 Specification: Frequency Range: 0.5-30MHz Operating Mode – SSB(J3E)，CW，AM(RX Only), FM, FREE-DV TX Power: Max to 15w Product Dimensi... Read more
Review
SAQ Alexanderson Alternator Transmission Set for Christmas Eve
Sweden’s Alexanderson alternator station SAQ has planned a Christmas Eve transmission on 17.2 kHz. The transmitter will be tuned up starting at around... Read more
Ham College 43 – General Amateur Radio Exam part 14. Emergency Communications, Skywave propagation, and Yagi antennas.
Ham College episode 43 is now available General Amateur Radio Exam part 14. Emergency Communications, Skywaves, Yagi Antennas Read more
Antennas for Portable Amateur / Ham Radio Operation – ICQ Podcast Episode 276
“In this episode, Martin M1MRB is joined by Leslie G0CIB, Edmund M0MNG, Matthew M0NJX and Bill N3JIX to discuss the latest Amateur / Ham Radio n... Read more
MFJ-1835H Cobweb Antenna Review ( High Power version 1.5kW)
For restricted spaces, 5-Bands: 20/17/15/12/10 Meters . . . Restricted space spoiling your operating fun? MFJ Cobweb puts your call back on the map! T... Read more
Antenna
Dual-band V-UHF Quad Antennas
Why choose the 6BS-270 antenna versus a traditional Yagui? · Elements of full wavelength, reaching maximum efficiency in TX / RX. · Optimized design.... Read more
Dipole and Inverted V Antenna Basics
Learn how dipole and inverted V antennas work and how to build an hf antenna. Includes tips for construction, mounting and tuning Read more
Super Broad Band Stainless Steel Ham Antenna
Extremely Versatile, Highly Efficient, UV rated and Very Lite With Almost No Wind Load. With 18 Stainless wires 2″ inches wide for 10-20-40-80 m... Read more
How To Use An Antenna Analyzer – Basics by K7AGE
Antenna Analyzer “I show you how to use an MFJ 259/269 Antenna Analyzer to check your antenna for SWR and resonance.” Read more
App - Mobile
Top 5 Ham Radio App
Ham Radio App If you’re a member of ARRL, the national association for Amateur Radio, install this app and have QST, the ARRL membership journal... Read more
Free APRS application for iOS
What it’s all about A modern APRS app for iOS users, with models detection, frequencies detection, C4FM highlight… More features Receive l... Read more
New iOS App Available for The ARRL Repeater Directory ®
The ARRL Repeater Directory ® — introduced this week for 2015-2016 — has a newly launched companion app for Apple® iOS® devices. iPhone®, iPad®... Read more
817 Companion for Yeasu 817 – App
Yeasu 817 The 817 Companion app is dedicated to all the proud owners and users of the Yeasu 817 amateur radio. The Yeasu 817 is a fantastic radio bu... Read more
News
ISS Slow Scan TV June 5-6
A Russian MAI-SSTV event is planned from the International Space Station for Wednesday, June 5 from 12:00-16:00 GMT and June 6 from 11:30-15:30 GMT. A... Read more
Dayton Hamvention Review – Ham Nation 403
All about the 2019 Dayton Hamvention. Bob, Gordo, Don and George are back from Dayton to talk about their experience in Dayton for the 2019 Hamvention... Read more
Airspy HF+ Discovery on pre-order
Rediscover HF Again! Building on the field-proven Airspy HF+ architecture, we designed the Most Refined HF/VHF SDR with world class performance in the... Read more
