Where Can I Put My HF Antenna?
Antenna
The Mighty Rhombic, the King of Antennas
“There was a time, back in the 1930s and 1940s, when the rhombic antenna was the king. A remarkable antenna that had phenomenal directivity and… Read more
Comparing Elevated 1/4w Vertical vs. Link Dipole with WSPR
“Hello Ham Radio Ops, K5ACL from SignalSearch here with another Antenna comparison/testing video using the Weak Signal Propagation Reporter (WSP… Read more
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
The X7 Triband Yagi – Cushcraft
X7 BIG THUNDER TRIBANDER YAGIThe X7 Triband Yagi is geared to set new standards in both radiating performance and mechanical reliability. The p… Read more
Review
Make a mains filter for EMC & noise reduction
This video shows how I have made a mains filter that is extremely effective in reducing and in some cases eliminating completely EMC from the electric… Read more
Yaesu FT 817 – CAT, CW decoder, waterfall, frequency readout, audio filter and audio recording.
What this lad has done with this screen for the 817 is astounding. CAT, CW decoder, waterfall, frequency readout, audio filter and audio recording. Wh… Read more
New DMR / DSTAR / Fusion / P25 Nano-Spot WIFI Digital Ham Hotspot
Here is a brand new device for your digital radio pleasure. The Nano-Spot from Micro-Node.com features all 4 modes, Wifi and a “set it and forge… Read more
DIY Remote Radio Now – Win the April 2017 QST Cover Plaque Award
WB2REM and K5PA Win the April 2017 QST Cover Plaque Award The winning article for the April 2017 QST Cover Plaque award is “DIY Remote Radio Now” by… Read more
![Retevis Ailunce HD1 GPS dual band 2m 70cm DMR [ Review and Teardown ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2021/02/a9131a_22__1_3-1-265x168-1.jpg?w=635&ssl=1)
Retevis Ailunce HD1 GPS dual band 2m 70cm DMR [ Review and Teardown ]
Ailunce HD1 Dual Band DMR Amateur Digital Radio Almost all the operations can be done via radio keypad. Dual Band DMR Radio,Analog and Digital Comb… Read more
Equipment
Loudspeakers for Ham Radio – ICQ Podcast Episode 275
“In this episode, Martin M1MRB is joined by Chris Howard M0TCH, Dan Romanchik KB6NU, Martin Rothwell M0SGL, and Frank Howell K4FMH to discuss th… Read more
Icom IC-R20 Receiver
Scan, Monitor, Record — The Pro’s Scanner 2 for 1, Dualwatch receive Until the Icom IC-R20, the capability of monitoring two frequ… Read more
Expert Amps 1.3K-FA – 1.3 KW Solid State Fully Automatic Linear Amplifier
1.3 KW Solid State Fully Automatic Linear Amplifier RF SOLUTIONS is the authorised dealer for Australia/New Zealand Power: up to 1.5 KW (1.3KW typ.)…. Read more
OMEGA- Portable radio
Frequency coverage (MHz) Rx 0.100 – 72.000 Tx 1.800-2.0007.000-7.200 18.068-18.168 28.000-30.000 3.500-3.80010.100-10.150 21.000-21.450 50.000-52.000… Read more
![openSPOT3 introduction [ VIDEO ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2021/02/s2-265x168-1.jpg?w=635&ssl=1)
openSPOT3 introduction [ VIDEO ]
Home » openSPOT3 ••••••••• The openSPOT3 is a battery powered, portable, standalone digital radio internet gateway (hotspot) designed mainly for amate… Read more
News
World Radio Day 2021
Proclaimed in 2011 by the Member States of UNESCO, and adopted by the United Nations General Assembly in 2012 as an International Day, February 13 bec… Read more
RadFxSat-2/Fox-1E Designated AMSAT-OSCAR 109 as Troubleshooting Continues
The RadFxSat-2/Fox-1E CubeSat has been designated as AMSAT-OSCAR 109 (AO-109). The satellite, which carries a telemetry beacon and a linear transponde… Read more
What is keeping the NA1SS amateur station off the air?
Amateur Radio on the International Space Station (ARISS) and its partners are troubleshooting what is keeping the NA1SS amateur station off the air. A… Read more
IARU Receives Gift of hamradio.org Domain
Andrew J. Wolfram, KI7RYC, has donated the hamradio.org domain to the International Amateur Radio Union (IARU) for non-profit educational us… Read more
ARISS is Seeking Hosts for Ham Radio Contacts with the Space Station
Amateur Radio on the International Space Station (ARISS) is seeking formal and informal educational institutions and organizations, individually or wo… Read more
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