Measuring Crystals with NanoVNA and other tools
Antenna
Bird Technologies AT-500 Antenna Tester
Bird Technologies The AT-500, Antenna Tester provides a cost-effective, fast, graphical way of determining the quality of mobile and base stati… Read more
Building a Multi-Band Dipole
Multi-Band Dipole I built a multiband dipole that will work 40, 20, 17, and 10 meters for ham radio. An easy project I was able to tackle in one day…. 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
Introducing the SteppOut Vertical High-performance 1/4-wave HF Antenna From 14 to 30 Mhz By Bill, AA4BQ
From price to performance, the SteppOut Vertical is a true 1/4-wave vertical for 20-10m and for under $50! Let’s have some fun. The end product… Read more
Dual-band antenna 5 elements VHF 8 elements UHF
Dual-band antenna Horizontal or vertical polarization Specifications: Band 144-146Mhz Gain: 8dBd F / B> 24dB Band 430-440Mhz G… Read more
Review
Kirisun S780 dPMR Range Test… 2 Miles by M3HHY
“Kirisun S780 dPMR Range Test… 2 Miles So I decided to do a bit of a range test with the Kirisun S780 today and was pleasantly surprised… Read more
![Retevis Ailunce HD1 GPS dual band 2m 70cm DMR [ Review and Teardown ]](https://i0.wp.com/test.nerfd.net/wp-content/uploads/2020/10/a9131a_22__1_3-1-265x168-1.jpg?w=900&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
![Kenwood TH-D74 [ APRS SETUP ]](https://i0.wp.com/test.nerfd.net/wp-content/uploads/2020/10/th-d74_vhf-265x168-1.jpg?w=900&ssl=1)
Testing Grounding (Earthing) with the DLG DI120 Ground Earth Resistance Tester
USB Connection for Data Uploading with software applicable in window 2000 / window XP / window Vista / window 7 ( NOT available for window 10 currentl… Read more
Equipment
BOXA-LOAD 50 Ohm RF Dummy Load
Product Description 50 Ohm RF Dummy Load An essential piece of equipment in any radio shack, the BOXA-LOAD is a 50 Ohm dummy load. VSWR bette… Read more
ICOM External speaker SP-41 for IC-7651 and IC-7300
A high-quality external speaker that matches the IC-7610 best. Dual watch ® is also comfortable with input switching . Dual watch can be done comfort… Read more
4O3A – STATION GENIUS
Station Genius can control: 4 Square Antenna Systems Antennas Antenna Switches Band Pass Filters Beam Stacks Beverages Rotators RS-232 Devices Station… Read more
ACOM 1010 160-10m amplifier
FEATURES Easy operation. The plate-load True Resistance Indicator (TRI) is an ACOM innovation that provides quick and precise tuning, typically… Read more
News
RSGB Seeks Regulator’s Records of Complaints about On-Air Behavior
The Radio Society of Great Britain (RSGB) has filed a freedom-of-information request to UK telecommunications regulator Ofcom in an effort t… Read more
Oldest Known US Radio Amateur, Cliff Kayhart, W4KKP, SK at 109
Charles Clifford “Cliff” Kayhart, W4KKP, of White Rock, South Carolina, died on October 26, a few days past his 109th birthday. An ARRL member, he was… Read more
Radio Amateurs in Western Pennsylvania to Commemorate KDKA Broadcasting Centennial
Pittsburgh radio station KDKA will celebrate 100 years of radio broadcasting in November, and Pennsylvania radio amateurs will honor that milestone… Read more
New Zealand Radio Amateurs Lose Access to 60 Meters
Radio amateurs in New Zealand no longer have access to 60 meters, effective on October 24. Use of the band by radio amateurs in New Zealand is provisi… Read more
ARRL urges members to strongly oppose FCC’s aplication fees proposal
In a special edition of the ARRL Letter issued October 27 the League is urging its members to oppose the FCC proposal to charge a fee for license appl… Read more
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