Jim Heath W6LG talks about antenna gain using a light bulb. He shows a simple yagi and 2 brands of antenna rotator
Antenna
TETRA 15-17-20-40 m – Yagi Antenna
Specifications Frequency MHz: 21~21,45 – 18,06~18,17 – 14~14,35 – 7~7,3 Active elements: 4 (15m) / 3 (17m) / 4 (20m) / 3 (40m) Gain dBi*: 14,8... Read more
RigExpert AA-54 – HF Antenna Analyzer (0.1 to 54 MHz)
Antenna Analyzer RigExpert AA-30 and AA-54 are powerful antenna analyzers designed for testing, checking, tuning or repairing antennas and antenna f... Read more
The $4.00 Ham Radio Satellite Antenna
Ham Radio Satellite Antenna Simple, inexpensive and lots of fun! Here is an easy to make home brew antenna that can get you on the air working... Read more
Buddipole vs AlexLoop Walkham
Buddipole vs AlexLoop Walkham Tried to do the most objective analysis on a comparison between the Buddipole and a AlexLoop Walkham antenna. I used a... Read more
Equipment
K42C CW Keyboard/Reader Kit
The K42 is the Swiss Army knife of CW keyers, it will provide lots of CW operation and enjoyment. A CW keyboard interface, CW reader, iambic paddle ke... Read more
Uniden SDS100 – Coming Soon
Uniden creates another first with the SDS100 True I/Q Scanner, the first scanner to incorporate Software Defined Radio technology to provide incredibl... Read more
SDR Control panel E-coder
SDR Control panel E-coder Product Description The E-coder Control Panel is designed to control a SunSDR2 transceiver or ColibriDDC receiver in... Read more
CloudIQ – The next chapter in #connected software defined radios
CloudIQ The Cloud-IQ is the latest high performance software defined receiver from RFSPACE. The Cloud-IQ offers two modes of operation.... 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
VHF
INTRODUCTION OF THE AnyTone DMR DIGITAL/ANALOG VHF AND UHF RADIO
PRESS RELEASE Qixiang Electron Science & Technology Co., Ltd was founded in January 1993, and is locate in Quanzhou in China. Qixiang is a high-te... Read more
BCH-220 Handheld Radio
BCH-220 Handheld Radio Introducing the new BCH-220 Handheld Radio for 1.25m 220 MHz. It’s just what you need in a 220 MHz portable. The BCH-220... Read more
VHF Handbook Available for Download
The new version of the IARU Region 1 VHF Handbook 7.50 covering VHF, UHF and Microwaves is now available for download. The handbook has chapters on Ba... Read more
Kenwood TH-D72A 144/430MHz FM Dual Bander
Featuring the SiRFstar III™ high-performance GPS receiver, KENWOOD’s TH-D72A dual-band transceiver is compatible with APRS® data communications. Offer... Read more
Unboxing and Testing the TYT MD-398 10-watt DMR HT
The main difference between MD-380 and MD-398 Difference MD-380 MD-398 Time slot Two time slot One time slot Battery capacity 2000mAh 2800mAh B... Read more
Digital Modes
FT8 – Tipping Point for Ham Radio?
This is a view from NASA of the sun today, October 9, 2018, and I am making 10m DX contacts one after another. Zero sunspots but working DX on... Read more
JS8Call 0.9 Release notes
“Hi Folks, Thanks for staying patient with me on this one. Build servers were being weird today! Happy to bring you release with simple features... Read more
MFJ-1204 – USB TO RIG SC INTERFACE, W/8-PIN DIN,DATA/ACC PORT
MFJ-1204 Includes radio interface cable (8-PIN DIN) Sign up for the digital revolution and explore a whole new world of amateur radio excitement using... Read more
JS8Call 0.8 Released – Refinement, Group callsigns
JS8Call Download “Hi folks! Happy to announce 0.8 of JS8Call. This is a backwards incompatible release (which is the primary reason for it being... Read more
JS8Call 0.7 Released
J8Call “Howdy Folks, We’ve sure come a long way in the past few weeks. Thanks for sticking with me and enjoying the ride! This release is... Read more
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