Why is Coax 50 Ohms?
Antenna
The Super Elastic Signal Stick antenna review and testing
< Who is Signal Stuff? In a world where Amateur Radio ought to be on the cutting edge of technology, far too often hams are seen as being “old s... Read more
XR3 on prototype new Force 12 ToT (Tilt Over Tower)
3D animation by Jeremy Cleaveland, KE0CGU Read more
Little Tarheel II | Mobile HF 80-6 Meter Ham Radio Antenna
The Little Tarheel (TH-1L), when properly installed on your vehicle, will provide continuous coverage from 7.0 to 54 MHz with the supplied whip. The L... Read more
3D Print – 3 element 2m (145 MHz) Ultra Portable yagi
3D Print – 3 element 2m (145 MHz) Ultra Portable yagi by OK1CDJ Description Tape measurement yagi. Weight only 170 g. The longest part is 530 mm... Read more
Review
KX3 Transceiver – Product Review by ARRL
KX3 Transceiver Reviewed by Joel R. Hallas, W1ZR QST Technical Editor w1zr@arrl.org The Elecraft KX3 is a nominal 10 W HF and 6 meter transceiver inte... Read more
Review of the MFJ-1835 Cobweb Antenna
MFJ Cobweb Antenna For restricted spaces, 5-Bands: 20/17/15/12/10 Meters . . . Restricted space spoiling your operating fun? MFJ Cobweb puts... Read more
Home-Brew HF SDR Receiver by G0ETP
Key Features There are a lot of home brew SDR-related projects on the internet at the moment. I believe the key features of this project are: Small bu... Read more
Top Five Amateur Radio Reviews of 2018
A popular topic on this channel are my product reviews. I will often review amateur radio related products as hams are infinitely curious on how a par... Read more
DMR Smartphone RFinder K1 – Review And Demo – Android DMR UHF
Here is a video on my latest device which I use daily. The RFinder K1 UHF DMR Smartphone. A completely new design, new motherboard, great look and fee... Read more
Equipment
EXPERIMENTAL SWRX
The Stampfl receiver is still in its experimental stadium and is not, comparable to a KWZ-30, Reuter or Perseus receiver. But an Assembly kit for the... Read more
QUADRUS SDR | PHASE-COHERENT MULTI-CHANNEL SDR
The QUADRUS SDR platform is complete ready to use integrated platform for advanced SDR software received implementation. It contains all the el... Read more
Portable Solar Power, Samlex Foldable Solar Panel, Off-Grid Emergency Electricity
Portable Solar Power, Samlex Foldable Solar Panel, Off-Grid Emergency Electricity The Samlex 135 watt portable solar panel with included charge contro... Read more
First Videos CRT 2000 !
CRT 2000 Videos – 40 AM / FM channel multistandard European – Power: 4 Watts AM / FM – Supply voltage: 12/24 Volt – 4 storable... Read more
144 MHz filter stops interference
Designed and manufactured by SOTABEAMS, this neat bandpass filter is for use with handies (HT) in areas with multiple transmitters. In such areas, man... Read more
News
St. Vincent Radio Amateurs on Alert During Volcano Emergency
Donald de Riggs, J88CD, on the Caribbean island of St. Vincent, says that on April 13, the 42nd anniversary of the 1979 eruption of the La Soufriere v... Read more
Can You Cook A Hotdog With Ham Radio?
“I’ve always been facinated by the physical affects of RF. Today, a light experiment testing if can cook hotdogs with RF. The test incorpo... Read more
Updated Radio Frequency Exposure Rules Become Effective on May 3
The FCC has announced that rule changes detailed in a lengthy 2019 Report and Order governing RF exposure standards go into effect on May 3, 2021. The... Read more
March 2021 Volunteer Monitor Program Report
The Volunteer Monitor (VM) Program is a joint initiative between ARRL and the FCC to enhance compliance in the Amateur Radio Service. This is the Marc... Read more
ARISS USA Gets IRS 501(c)(3) Recognition
ARISS-USA, a Maryland nonprofit corporation, has earned recognition from the US Internal Revenue Service (IRS) as a Section 501(c)(3) charitable, scie... Read more
