“Tom, N6AJR, is a older gentleman who has some trouble getting around, and he would like to mount one of his mobile antennas to a metal picnic table or a tripod. Dave has a few pointers before proceeding.”
Antenna
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
Camouflaged Ham Radio Antenna
Model Frequency (MHz) Gain (dBi) Length Feedline VT-14 144-148 2.6 36 in. 3 ft. RG-58 VT-22 222-225 2.6 25 in. 3 ft. RG-58 VT-44 440-450 2.6 16... Read more
JK2040-Hawk – Yagi antenna of 5 elements for the 20 m band and 3 elements for the 40 m band on a 40 foot (12.19 m) boom
The JK2040 Hawk has phenomenal performance characteristics on 20m and 40m. The 38ft boom 20m Yagi has been optimized for high gain and a good F/R with... Read more
Antenna Dinamica 3el Yagi 6 to 40 meters
Price 2790 Euro See More Antenna Dinamica: Link Read more
Another Difficult Antenna Situation
Tim, W4FTP, asks how he can use some tall but skinny trees along the back of his property as part of his antenna system. We take a look, and your comm... Read more
Review
Monitoring HF Aviation Voice Communications with your SDR Radio or a WebSDR
There is still plenty of activity on the HF Aeronautical bands. You can listen to civil and military aircraft every day with just some frugal hardware... Read more
Sneak Preview of the AH-705 HF/50 MHz Automatic Antenna Tuner
Icom AH-705 automatic antenna tuner for the IC-705 is now available from Icom UK dealers. The AH-705 is a small portable antenna tuner that has been d... Read more
Measuring Coaxial Cable Losses @ HF, VHF, and UHF frequencies.
Measuring Coaxial Cable Losses @ HF, VHF, and UHF frequencies. Read more
Vintage Tech: The Simpson 260 VOM Volt-Ohm-Milliammeter family
Vintage Tech: The Simpson 260 VOM Volt-Ohm-Milliammeter family Read more
Xiegu G90 Unboxing
G90 is a portable 20W HF amateur radio transceiver with an SDR architecture with built-in auto antenna tuner. The display unit and the radio can be se... Read more
Equipment
MRF1K50H: 1500 W CW over 1.8-500 MHz, 50 V Wideband RF Power LDMOS Transistor
This high ruggedness device, MRF1K50H, is designed for use in high VSWR industrial, scientific and medical applications, as well as radio and VHF TV b... Read more
Arduino Antenna Rotator – DIY
“After 5 years of operation of the antenna HexBeam I decided to remove the antenna from the chimney and put on a 10m mast in the garden. In the... Read more
BAOFENG BF-888S UHF FM
BAOFENG BF-888S Product Features and Technical Details Product Features 50 CTCSS/105 CDCSS/VOX Function Voice Prompt/PC Programming/voice scramble/enc... Read more
Dealing With Noise in HF Mobile Installations
Many hams find that their HF mobiles receive more noise than they do usable signals. Common noise sources include the ignition system and alternator.... Read more
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