Five Band Indoor Magnetic Loop Aerial by G4IZH
This aerial covers the 20, 17, 15, 12 and 10 metre bands and is made from a single 3 metre length of 22 mm copper tube cut into 4 pieces of equal leng... Read more
A viewer asks: “I am running three UHF and four VHF radios. They are all on different frequencies. What would be the minimum spacing for the antennas?” Joe and I tackle this common question about placing multiple VHF/UHF antennas on a tower or mast. Read more
You asked for it, here it is: a live A/B test of the Wolf River Coil vs the Chameleon CHA-LEFS End Fed Half Wave antenna. Which will win in this Parks on the Air activation of Brunet Island State Park in northwest Wisconsin (POTA K-1442). This is not a scientific test and is for demonstration […] Read more
Jared, N0SPC, is the only ham in his country, and he has a question regarding phasing. He wants to know if he can use a phased array of mobile whips to get directivity? Yes and here is how… Read more
The Chameleon CHA-MPAS 2.0 just might be the best portable Ham Radio antenna that you can get today, due to its versatile configurations and compact size. Take a look at this video and let me know what you think about this great Ham Radio antenna. The Modular Portable Antenna System (MPAS 2.0) is a concept allowing […] Read more
One man’s observation of different radiation patterns that evolved from choosing different antenna installation orientations. What are your thoughts? Read more
HF verticals are very popular for the smaller suburban gardens. How do they perform and are there any improvements you should consider? Read more
Common Mode Current can really mess with RFI and cause interference in the shack. In addition, you could also be receiving unwanted interference on the coax outer shield. In this video I show how I built myself an easy CMC choke using a toroid and RG-58 coax.
Antenna
CCW HF Active Loop Antenna
HF Active Loop Antenna The Cross Country Wireless HF Active Loop Antenna is a compact receiving loop with a frequency range of 200 kHz to 70 MHz with... Read more
M2 DRIVEN ELEMENT SCHEMATIC & TROUBLE SHOOTING
To check internal driven element block connections, remove balun, shorting bars, and feed coax/ phasing line. Test Steps: 1.Continuity: between block... Read more
Topband: Webinar – Waller Flag RX Antenna 101 – How to Construct a WF
“Join us for a webinar on Feb 16, 2017 at 9:00 PM EST Register now! – https://attendee.gotowebinar.com/register/7735767269616129539 JC N4I... Read more
Building the 6 Meter Moxon Antenna
Building the 6 Meter Moxon Antenna As the late spring and summer months heat up, six meters comes alive. Known as the Magic Band, the six meter band c... Read more
Review
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
Ham Radio HF Stealth Dipoles ON-AIR Test and Review
Here is a video on some micro HF dipoles i found. Under 5 ounces, and multiple versions. They work exceptionally well, and will be in my go-kit video.... Read more
Review and Tutorial on Radioddity/Baofeng RD-5R DMR Dualbander
“Two Chinese companies, Radioddity and Baofeng, have teamed up to bring you the US$75 dual-band FM/DMR radio housed in the old UV-5R package. Th... Read more
Unboxing the MFJ-998 – 1500 Watts automatic antenna tuner
Full 1500 watts SSB/CW…Digital & Analog SWR/WattMeter . . . All features of MFJ IntelliTuners– Ultra-fast, Safe Automatic Tuning . . . Wide... Read more
Equipment
Ampleon announces the industry’s most rugged 2KW RF power LDMOS transistor for ISM applications
Ampleon has released the first of a family of RF power devices based upon its Advanced Rugged Technology (ART) derivative of the proven 9th generation... Read more
RigExpert Stick 60kHz – 35MHz Analyzer
RigExpert Stick 60kHz – 35MHz Analyzer | State-of-the-Art Antenna & Cable Analyzer Key Features: Frequency range: 0.06 to 35 MHz, upgradable... Read more
Amplifier 1.2 kW Spert 1200 – 1.8 to 50 MHz
Output power of 1200 W CW / SSB in the field KF, 700W in the band of 50 MHz Power 50V 35A efficiency of 73-75% frequency range 1.8 to 50 MHz switching... Read more
EB104 HF Power Amplifier – 2,4KW water cooling system 5″ LCD touch screen for N0JSN
HF/6m linear amplifier 2400W MRF1K50H 2 pcs water cooling system 5″ LCD touch screen for N0JSN Read more
DSP Noise Cancelling Speakers
NOISE CANCELLING SPEAKERS The bhi DESKTOP 10 watt DSP noise cancelling base station speaker will work with most radios, transceivers, receivers, and S... Read more
Today I go through all of the steps and pieces for building the BuddiHex Hexbeam antenna from Buddpole. This might be the best portable ham radio antenna I have used in the field, and I would like your thoughts also. Lightweight and portable 6 band (20m – 6m) hex beam perfect for everything from POTA […] Read more
Often on the HF bands, we find that the quoted antenna frequency bandwidth is not wide enough to cover the whole band. This can be a particular problem with multiband antennas and mobile whip antennas. Can we venture into the no-go areas of higher VSWR? Read more
The FALCON OUT-250B is a Short Wave Multiband Vertical antenna (WARC incl.) with flat SWR across the bands. In this video I assemble, install, test, compare and modify of this 7,13m tall vertical antenna. I hope you enjoy this video 🙂 Antenna Features: – Bands. 6, 10, 12, 15, 17, 20, 30, 40, 75/80 m […] Read more
 with a Easy to Build Choke){kind=link}
