Explaining Ham Radio Antenna Baluns, UNUNs and Toroids
Antenna
PST-RR55D-PRO – Ring Rotor
Ring rotor for trellis up to 52cm on the side. It can be mounted anywhere on the truss. The whole structure is made of laser-cut AISI316 stainless ste... Read more
The 10/15/20 Meter Trap Vertical Antenna
“This antenna project came out very nice. It’s a rugged homebrew multi-band trap vertical antenna that works the 10, 15, and 20 met... Read more
MomoBeam DUO 6 20-40 SF – BIBAND – 20M and 40M
DUO 6 20-40 SF is every contester’s dream, a dual-band yagi with separate feed line, high power handling, large bandwidth and with the usual Momobeam... Read more
![SteppIR DB42 Setup by JA5MHD [ Video ]](https://qrznow.com/wp-content/uploads/2015/03/11038403_10204139844031513_3998216779955717336_n-265x168.jpg)
SteppIR DB42 Setup by JA5MHD [ Video ]
SteppIR DB42 http://blogs.yahoo.co.jp/ja5mhd Read more
![NVIS: Near Vertical Incidence Skywave [ PodCast ]](https://qrznow.com/wp-content/uploads/2017/11/24180150-265x168.jpg)
NVIS: Near Vertical Incidence Skywave [ PodCast ]
Sometimes the best direction to send your signal is straight up! Near vertical incidence skywave, or NVIS, is a skywave radio-wave propagation path... Read more
Review
BITX-40 On The Air – K7AGE
“In this video, I do a bit of wiring and then get on the air and make some contacts during a contest.” The Raduino The new BITX40’s... Read more
Jim W6LG Talks About Grounding, Bonding, Earthing, Shielding and Protecting
What are grounding, bonding, earthing, shielding and protecting in the amateur radio station? This is Part 1 of a series of videos. Should you run a g... Read more
Motorola MOTOTRBO XPR 7550 I.S. DMR portable radio review by VA3XPR
Motorola MOTOTRBO XPR 7550 I.S. DMR portable radio review BY VA3XPR Read Full Review : Read more
Equipment
Bose unveils its first wireless noise-canceling headphones
Bose QuietComfort 35 This is the Bose product a lot of people have been waiting for, the QuietComfort 35, an active noise cancelling headphone that... Read more
1:1 Current balun Dual core 1500 watts RTTY, 5KW ICAS
1:1 dual core current balun Constructed using dual 240/31 cores. Stainless steel hardware. 1-61MHZ With dual cores you get great frequency range, equ... Read more
HF Linear 2KW HF2015DX – Chinese
HF2015DX RF Linear amplifier coverd 1.8-30MHz amateur band , using Chinese FU728F ceramic tetrodes working at Class AB1 Input:30-40W output:2000W... Read more
News
ISS SSTV Aug 6-7 145.800 MHz FM
Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120.... Read more
JA1TOKYO – Olympic Games
Olympic Games – JA1TOKYOOn July 16 JARL opened the special commemorative station ‘JA1 TOKYO‘ in Nishitokyo City, Tokyo, to commemora... Read more
Massachusetts Court Okays Amateur Radio Tower, Citing Board of Appeals’ Error
A judge in the Massachusetts Land Court has ruled that the Zoning Board of Appeals in the City of Framingham “erred” in revoking a building permit for... Read more
FCC Investigating Alleged “Jamming” on 40 Meters
Reports suggest that jamming stations have been deployed on the lower portion of 40 meters. The jamming appears to be coming from Cuba. The signals, s... Read more
Audio and visual of Cuba jamming 40M, making it to OH
Audio and visual of Cuba jamming 40M, making it to OH Audio and visual of Cuba jamming 40M, making it to OH. #hamradio pic.twitter.com/J4wHLPMGhF — Ha... Read more
