US Army researchers have built a so-called “quantum sensor,” which can analyze the full RF spectrum and real-world signals, a report on Physics.org says. The quantum sensor — technically a Rydberg sensor — can sample the RF spectrum from 0 to 20 GHz and is able to detec... Read more
- Approaches to Tackle Noise Problems Vary, Remedies Elusive
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- ARISS APRS Testing
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- ARRL Interview Explains Background of Ham Radio in Space Film Short
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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 comments are invited. Read more
- Ham Radio experiment – End fed half wave antenna sloper vs flat horizontal orientation
- British Columbia Radio Amateur Copies Signal from Mars-Orbiting Satellite
- Wideband Desktop Discone Antenna – 25 MHZ – 2000 MHz Coverage
- Where Can I Put My HF Antenna?
- Wolf River Coil Take It Along With Chameleon SS17 Ham Radio Antenna Whip
- Why Won’t My 80-Meter Dipole Cover the Whole Band?
- The most effective way to place a long wire antenna
- Testing My Mini 64:1 Half-Wave End-Fed Antenna Transformer.
- 100 ft Tilting Tower
- I Found & Eliminated My QRM / RFI (Radio Frequency Interference)!
Responding to comments and recent videos here on Youtube. Is there a big threat to amatuer radio operators fourth amendment rights? Are we opening out... Read more
Baofeng UV-9R TP 18-watt HT Ham Radio Unboxing and power testing – let’s see if this 18-watt HT does what it is advertised to do! Read more
The article “Ham Radio Forms a Planet-Sized Space Weather Sensor Network,” appeared on February 9 in Eos, Earth & Space Science News — an American... Read more
There’s an incredible amount of radio signals. It’s impossible to know them all, let alone recognize them. So why not get help from Signal... Read more