The challenge was to breathe new life into a 75 year old Marconi CR100 wireless receiver using the latest SDR technology. The resulting demo will be available to play at Electronica, Munich November 8-11 on the RS Components’ special anniversary stand – ‘The Engineers’ Playground’ www.sdrplay.com
Antenna
Hi-Z Antennas – Manufacturers Showcase
K7TJR with Hi-Z Antennas! 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
SKYSCAN DESKTOP 25-2000MHZ SCANNER ANTENNA
This is the best all round wideband desktop scanner antenna on the current market. Keeping within the famous discone design but smaller for internal u... Read more
Super Versa Xseries Antenna [ Japan ] 11 and 8 elemets HF Antenna
Type number KA1-211X KA1-408X KA1-411X Gain table / size Frequency (MHz) 14-50 7-50 7-50 The total number of elements 11 Elements 8 Elements 11 Elemen... Read more
Review
Radio Set up on a Pickup Truck
James Hollen, D25Y31, has a radio and antenna set up in the bed of his pickup truck and wants to know if his truck will cause interference. Read more
How Antenna Traps Work
How Antenna Traps Work Read more
SharkRF Openspot3, The Most Advanced Digital Ham Hotspot!
Compatible digital radio protocols and networks DMR (BrandMeister, DMRplus, DMR-MARC, Phoenix, XLX, TGIF) D-STAR® (DCS, REF/DPlus, XRF/DExtra, XLX) Sy... Read more
Digital Modes
RTTY Contest Champ Don Hill, AA5AU, Achieves Remote Contesting Milestone
Champion RTTY contester Don Hill, AA5AU, of Louisiana may be the first US radio amateur to operate SO2R (single operator, two radio) remotely in an RT... Read more
Raspberry Pi Ham Radio SSTV
In this project the Raspberry Pi with the PiCam is used as a wireless camera which can transmit images over long distances, usually hundreds of meters... Read more
The Ultimate Portable Ham Radio Computer
Hello Operators. In this episode of the OH8STN ham radio, we are discussing replacing the raspberry pi field computer build, with the Microsoft Surfac... Read more
News
Dayton Amateur Radio Association Surprises ARRL CEO David Sumner, K1ZZ
As he nears retirement, ARRL CEO David Sumner has been honored by the Dayton Amateur Radio Association (DARA), which sponsors Dayton Hamvention®. Sumn... Read more
End Fed Half-Wave Antennas – Tips and Tricks
End Fed Half-Wave Antennas Read more
First FT8 Roundup is a Huge Hit
The first FT8 Roundup over the December 1 – 2 weekend attracted some 1,300 logs from those taking advantage of the ever-more-popular digital protocol.... Read more
Communications During a Crisis: Do You Have A Ham Radio License ?
The first thought of some is that a license to operate a ham radio is worthless when the SHTF. Do what you have to do during a crisis is the th... Read more