Why is Coax 50 Ohms?
Antenna
3 Element Yagi Antenna with 30/40 Loop Dipole Adder – SteppIR
16 ft boom; Includes Controller The 3 element Yagi is the original Steppir antenna. Using our proven technology it gives continuous frequency coverage… Read more
A High Efficiency Extended Length Mobile Antenna
By W5JGV I originally wanted an antenna that would not hit everything overhead while driving, since it was to be installed on a van. I came up with an… Read more
The Alternative Multi-band Solution – Cobra UltraLite Antennas
Covers More Bands than a G5RV (Shorty). Goes up Fast, Easy on Trees. All Stainless Hardware Black Marine ABS Insulator Blocks Handles a Full kW… Read more
100 Ft Balloon Antenna by KN9B
100 Ft Balloon Antenna “Our radio club yearly Special Event (SE) has experienced low signal strength and poor signal reports. We needed a better… Read more
EVER WONDER IF A FULL-SIZE 40M YAGI MAKES A DIFFERENCE? by AA7XT
Check out this YouTube clip that Ulf SM3RAB made A/Bing the K1N DXpedition on a Magnum 340 full-size 3 element Yagi that uses the G0KSC OP-DES feed sy… Read more
Review
Demo of tuning the Radiuno BITX40 by W5KUB
“At first the tuning of the Radiuno seemed like it has a mind of its own. But after working it a few times you learn how to control it.” Read more
MFJ-1263 – MIC / RIG switch, 2 MIC to 2 RIG
MFJ`s new MFJ-1263 Microphone Control Center lets you mix and match any two microphones to any two transceivers. The microphones or transceivers can h… Read more
How To Solder — Part 1and 2 by W6LG
This is Part 1 of 3 videos about ‘How to Solder’. In this episode, Jim W6LG shows the tools that he uses when soldering. Soldering is part… Read more
Ailuance HD-1 Dual Band DMR HT Debut [ Video ]
Check out this new dual band DMR HT and how easy it is to program! Read more
A Beginner’s Guide To Ham Radio In Space
“The most entertaining look at amateur radio satellites ever. In my almost 10 years in the hobby, I’ve been intimidated and never tried to… Read more
Equipment
DR4020 Dual band Digital QRP radio
A simple QRP digital transceiver. — Fully assembled and tested– Perfect for outdoor digital radio contacts,such as FT8,FT4,JT65 etc. Band: 20… Read more
W-SDRX1 High Performance SDR Receiver
The W-SDRX1 is a super wide-band USB SDR Receiver which offers incredible performance across its operating range of 100KHz to 2GHz. It has two antenna… Read more
A Simple High-Frequency Communications Receiver
See What QST Has to Offer! QST is the monthly membership journal of ARRL. Each issue is your source for equipment reviews, technical tips, projects, n… Read more
SO-239 antenna ballmount for mobile Station
SO-239 connection on top of the ball mount for the antenna and for the PL-259 connection on the inside of the vehicle. The plates are 3 inches in… Read more
News
ARRL ARES Volunteers Standing By to Assist if Needed in Wake of Nashville Blast
ARRL Amateur Radio Emergency Service (ARES) volunteers remain ready to deploy in Williamson County, Tennessee, in the aftermath of an apparently inten… Read more
Solar Flux and Fast Wind Boost for the Holidays | Solar Storm Forecast 12.24.2020
Solar Flux and Fast Wind Boost for the Holidays | Solar Storm Forecast 12.24.2020 Read more
Reacting to Capacitance, Inductance, Resistance, Frequency
Reacting to Capacitance, Inductance, Resistance, Frequency Read more
Ham radio and Linux – Stop your radio from automatically becoming the default audio device.
A simple change to make, it saves me time manually setting my default back to the computer every time I power up or plug in the radio. Read more
Good news from Austria and Germany ( DL and OE )
Thanks to the constant efforts on the part of the ÖVSV, the Austrian telecommunications authority has announced clearance for the 630 m band… Read more
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