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?
Antenna
ICOM AH-710 Folded Dipole Antennas AH-710
Wire Antenna, Assembled, Multi-Band, Non-resonant, 150 W, UHF Male, PL-259, 80.3 ft. Length, Each Wire Antenna Band Wire Antenna Frequency 160 meters... Read more
The 2 Meter Coffee Can Antenna
The 2 meter coffee can antenna is easy to make and you’ll have loads of fun making contacts with it! The coffee can antenna is actually a... Read more
Full Size Mega Loop Antenna 6 to 160m
“Nearly two years ago, we decided that we needed a better antenna for all band operation to replace our traditional use of wire dipoles.... Read more
Cushcraft A4S Yagi Beam Triband 4 ele. 10,15,20M
Cushcraft A4S A4S Four Element Beam – 10, 15 & 20 Meters A4S is the true, high performance tribander. Precisely tuned high-power traps, c... Read more
Review
Icom 7300 WSJT-X Combined With HRD and JT-Alert
Part 1 starts with Icom 7300 setup in the menu and connectors. In preparation for connecting to HRD and HRDLogbook. 03:03 Setting up Icom 7300 for rec... Read more
Rejecting Urban Radio Interference (RF) Noise
A viewer asks: Is there a particular polarization for general urban/suburban RF Noise. Dave, Joe, and I talk about some options and antennas that seem... Read more
DIY How To Build A Solar Powered Radio Communications Go Box- The Ham-O-Can
Here are all the links- http://goo.gl/FgPgwH You asked for it! Well, one of you did. In this video we take the Midland Micro Mobile GMRS radio... Read more
![Xiegu X5105 [ First Video´s]](https://qrznow.com/wp-content/uploads/2017/01/15977553_1934328260128796_9122523868845693855_n-1-265x168.jpg)
Xiegu X5105 [ First Video´s]
X5105 is a highly portable transceiver working at HF+6m band, with a built-in power output of 5W. Technical features: double-conversion superheterody... Read more
Dave answers questions about power supplies (#146)
Join Dave and Trevor discussing Ask Dave questions related to power supplies and other issues Read more
Equipment
All-band HF direct conversion transceiver QRPver DC-3001 Minion Mini
Transceiver direct conversion, short-wave, all-band. QRPver Minion Mini DC-3001 This is a small-size multi-band short-wave QRP transceiver. The transc... Read more
![PRE-RELEASE INFORMATION – IC 9700 [ ENGLISH ]](https://qrznow.com/wp-content/uploads/2018/09/icom_ic9700-265x168.jpg)
PRE-RELEASE INFORMATION – IC 9700 [ ENGLISH ]
IC 9700 – 144, 430/440, 1200 MHz ALL MODE TRANSCEIVER Read more
Small QRP-GO-BOX powered by Raspberry Pi4, KX2 and TH-D74
Small multifunctional, digital, very compact amateur radio station for the radio operation at home, on the way or in the emergency radio. For the digi... Read more
Belka-DSP radio receive
The Belka-DSP radio receiver is designed to receive radio stations with amplitude, frequency and single-band modulation, as well as telegraph signals... Read more
