Richard, AE6XO, is wondering what the difference is between resonant and non resonant antennas. Why no just get a non resonant and use a tuner? He asks. Is there any difference or advantages to either of them?
Antenna
Ground Plane Antennas [ “ARRL The Doctor is In” podcast ]
Ground Plane Antennas “Ground Plane Antennas” is the topic of the new (December 20) episode of the “ARRL The Doctor is In” podcast. Listen…and l... Read more
Yagi Antenna GXP-7 (7 elements 5 bands)
Resonant frequency [Resonance frequency]: 28, 21, 14 MHz Frequency [Frequency]: 24, 18 MHz Logoperiodic Number of elements [Number of elements]... Read more
Antenna Gain Explained by KB9VBR
Check great article from KB9VBR – Antenna Gain Explained Also Visit J-Pole Antenna Shop Read more
Robot Adds New Twist to NIST Antenna Measurements and Calibrations
The National Institute of Standards and Technology (NIST) has been pioneering antenna measurement methods for decades, but a new robot may be the ulti... Read more
How to Attach Radials to a Radial Plate
“Jeff, AC2AU has a straight-forward question, How exactly do I attach radials to a commercial vertical antenna? Dave will answer this question a... Read more
Review
RM Italy MLA100 Amplifier Demonstration
“Mark, W8BBQ show the RM Italy MLA100 amplifier to get over 100 watts from a QRP rig. 160 meters through 10 meters plus 6 meters. Allows you to... Read more
SWR Simplified [ ARRL PODCAST ]
A discussion of SWR — Standing Wave Ratio — can be complicated, but it really doesn’t need to be. Read more
Equipment
APX NEXT XN All-Band P25 Smart Radio
Outperform the unexpected APX NEXT XN brings unprecedented durability and mobilized intelligence to a firefighter’s lifeline so you can outperform wha... Read more
Ailunce HS1 HF SDR HAM Transceiver
Ailunce HS1 Description: Spectrum Dynamic Waterfall Display Multiple Working Modes:Receive Mode, Transmit Mode, TUNE Mode, VFO Mode, SPLIT Mode DSP Di... Read more
RigExpert WTI-1 – Wireless Transceiver Interface
RigExpert WTI-1 is a revolutionary new device to interface your transceiver to your computer wirelessly. It provides: Transceiver audio interface Anal... Read more
PockeTATOR mini Ver1.0
“The other day, we developed Pocke TATOR Jr., whose function is limited only to rotation movements, and we also distributed it for the first tim... 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