A question from an Oggie prompted this look at the use of transponders in amateur radio.
Antenna
80M Antenna with HOA Constraints
Welcome to the 400th Ask Dave video! Ken, VE7ZY, is having trouble with an 80m dipole mounted very closely to the roof flashing. He is seeking other a... Read more
Ham Radio Xmas Story – ALEXLOOP !
See More about AlexLoop Read more
![4-Square installation in Eastport, Maine [ W2RE ]](https://qrznow.com/wp-content/uploads/2018/08/OZ1RDP_08_KBS_232_4Square-265x168.jpg)
4-Square installation in Eastport, Maine [ W2RE ]
Ray is installing a Four-Square system using four of the DX Engineering DXE-7580FS-VA-2 Vertical antennas at the Eastport, Maine site. Brand:DX Engine... Read more
Momobeam MB9 12/17/30 Antenna for Warc Bands
New Momobeam MB9 12/17/30 antenna for warc bands without compromises. The MB9 12-17-30 is a big and solid fullsize antenna for the WARC bands o... Read more
Beam Pattern vs Heights
Dave is going to explain and dig deeper into the Beam field of antennas, such as dipoles, and how their distance from the ground can change the propag... Read more
Review
Pl-259 vs N-Connectors is similar to Ford vs Chevy
Michael, KI7QIB, is asking a simple question “Should I replace PL-259 connectors in a feedline with N-type connectors? Read more
Portable RTL – SDR Software Defined Radio with Android
Portable RTL – SDR Software Defined Radio with Android Read more
VeroTel VR-N7500 Android Controlled Mobile Radio
The Vero Telecom VGC VR-N7500 is a brand new 50watt VHF/40 watt UHF Headless ham transceiver with a solid build quality. It is very different in desig... Read more
The Real FT8, JT65, and JT9 Signal-to-Noise Ratio Revealed
SNR – Signal-to-Noise Ratio From the 2018 TAPR Digital Communications Conference, we learn about a true measurement of signal to noise ratio on... Read more
Equipment
Mercury Paddle- Bencher
The Return of the Legend. N2DAN’s legacy lives on in this beautiful dual paddle crafted from the finest materials– massive brass base with... Read more
COMET ANTENNA ANALYZER CAA-500MARKII
CAA-500MARKII The NEW CAA-500MARKII SWR/Impedance Analyzer is finally arriving from the Comet factory! The new analyzer retains the same analog cross... Read more
Ultra portable antenna tower for ham radio 34′
Ultra portable antenna tower Collapsible portable antenna tower. For ham radio, cellular, light, camera, satellite, radio communications etc. FOR SALE... Read more
Made in the USA! Ham Radio Holiday Gift List 2021
This year my ham radio holiday gift list features items all made in the USA. Field Notes Steno Book CW Morse Keyshttps://cwmorse.us/ Chameleon CHA-LEF... Read more
Compact Power Supply for Elecraft Radios
Description The SS-30DV is designed to supply 25 Amps continuous (up to 5 minutes) and 30 Amps surge at 14.1 VDC. It is the perfect companion s... Read more
News
Pirates Battle Over Shortwave Radio – UVB-76
UVB-76 The frequency of a suspected Russian military shortwave radio broadcast, known as the “buzzer” for its recognizable repeating channel marker, h... Read more
ACOM Company Tour
ACOM Company Tour. HF power amplifier production – ACOM 1010, ACOM 1000, ACOM 700S, ACOM 1200S, ACOM 1500, ACOM 2100 and ACOM 2000A. Read more
Weak Signals Heard from Spanish Satellites EASAT-2 and HADES
AMSAT-EA (Spain) has said it appears that EASAT-2 and HADES are transmitting, and that weak signals have been heard, but the satellites’ antennas may... Read more
ANACOM acts to eradicate interference and abuse of radio spectrum.
Gaspar, EA6AMM José Francisco de Almeida, CT4AN, IARUMS Coordinator from REP (Rede dos Emissores Portugueses; Portugal), info... Read more
Tonga Volcano Update | Ham Radio Disaster Communications
Tonga Volcano An update on the situation coming out of Tonga. A very large volcano has erupted disrupting satellite, communications and telephone netw... Read more
![Ranger RHF-618 Base Station [ 28 and 24 MHz]](https://qrznow.com/wp-content/uploads/2022/01/s-l1600-90x60.jpg)
![Ranger RHF-618 Base Station [ 28 and 24 MHz]](https://qrznow.com/wp-content/uploads/2022/01/s-l1600-180x120.jpg)
