Space Weather News
Antenna
Antenna 1/2-wave, 5-Band HF Cobweb Antenna – MFJ-1835 Time Lapse Video
1/2-wave, 5-Band HF Cobweb Antenna Restricted space spoiling your operating fun? MFJ-1835 puts your call back on the map! This fiveband (20, 17, 15, 1... Read more
HF Vertical Antenna – Cushcraft R9 covers 6,10,12,15,17,20,30,40,80 Meters
HF Vertical Antenna • NO GROUND SYSTEM OR RADIALS NEEDED • RUGGED CONSTRUCTION • INSTANT BAND CHANGING • SLIM LOW PROFILE SILHOUETTE This multi... Read more
W5GI Mystery Antenna
A multi-band wire antenna that performs exceptionally well even though it confounds antenna modeling software Article by W5GI ( SK ) The design... Read more
OCF-8010E-3K OCF Antenna Windom 80/40/30/20/15/12/10m
This is OCF antenna also known as Windom antenna fed at 19% of one end. Current type 4:1 (200:50 Ohms) BALUN is another product designed for OCF anten... Read more
Slim Jim Antenna Project
Slim Jim Antenna The Slim Jim is a vertically polarized omnidirectional end-fed antenna having considerable “gain” and this is concentra... Read more
Review
Review of the new RSPdx SDR receiver by SDRplay
This new model has a metal case, three antenna connectors and several circuitry upgrades that make it the performance leader in the SDRplay line-up. Read more
Kenwood THK20A Transceiver – ARRL Video Review
A powerful communications tool in every sense, KENWOOD’s new TH-K20A/K40A radio offers 5.5 watts of RF output to ensure reliable performance. Numerous... Read more
Get Your First Look at the NEW Yaesu FTM-300DR
** Available Late May 2020 ** The new FTM-300DR provides stable and reliable 50W RF power output. As in recent YAESU mobile transceivers, the FTM-300D... Read more
From the Array Solutions Lab: OM Power 2500A amplifier Selecting Antennas and Filters
Showing how the OM-Power Automatic amplifiers like the OM-2500A, OM-4000A, can control the selection of up to ten antennas driving an antenna switch a... Read more
Equipment
JUMA PA1000 1Kw HF + 6 meters
Overview JUMA PA1000 is a very light weight solid state 1 kW linear amplifier for HF and 6 meter bands. JUMA PA1000 is using a most modern LD... Read more
Yaesu FT DX 3000
The Yaesu FT DX 3000 – Building on the YAESU FT DX Heritage The FT DX 3000 is member of the long line of top performing YAESU FT DX Series of tr... Read more
Vectronics HFT-1500 OLLER TUNER, HF, 1500W, BAR GRAPH, SWR/WATTMETER
Arc-Free Operation Two heavy duty 4.5 kV transmitting variable capacitors and a massive high current roller inductor gives you arc-free operation up t... Read more
SX-2000 QRP HF transceiver with touch screen
SX-2000 QRP HF transceiver “”I had in mind for a long time to realize an HF transceiver complete with all the functions of a commercial ap... Read more
News
ARRL Seeks Changes in FCC Proposal to Delete 3.4 GHz Amateur Band
ARRL met via telephone with FCC staff members this week to emphasize its opposition to the FCC Notice of Proposed Rulemaking (NPRM) in Docke... Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Up until September 23, we saw 32 consecutive days with no sunspots. Then new sunspot group AR2773 appeared, which ha... Read more
Hams Help Find Kids by Monitoring FRS Radios
Late on the afternoon of September 16, the police department in Post Falls, Idaho, received a 911 call that two juveniles — ages 9 and 11 — were missi... Read more
International Telecommunication Union Releases 2020 ITU Radio Regulations
The International Telecommunication Union (ITU) has published the 2020 ITU Radio Regulations — the international treaty governing the g... Read more
New mode FST4 – WSJT-X
Steve Franke, K9AN; Bill Somerville, G4WJS; and Joe Taylor, K1JT Version 2.3 of WSJT-X introduces a new family of digital modes we designate FST41. Th... Read more
