Dave, K4DRA, wants to try a double dipole set up in order to get an omnidirectional dipole, but he has yet to understand the circular polarization that his set up will create. Dave here to explain…
Antenna
THE TILTED TERMINATED FOLDED DIPOLE – A PRACTICAL BUILDING GUIDE
“THE TILTED TERMINATED FOLDED DIPOLE Recently, I have been experimenting with the Tilted Terminated Folded Dipole, a.k.a. TTFD, a.k.a. T2FD. I… Read more
JK2040-Hawk – Yagi antenna of 5 elements for the 20 m band and 3 elements for the 40 m band on a 40 foot (12.19 m) boom
The JK2040 Hawk has phenomenal performance characteristics on 20m and 40m. The 38ft boom 20m Yagi has been optimized for high gain and a good F/R with… Read more
3D Printing – A Ham Radio dipole center with BNC and 1:1 balun
Showing how easy and quick it is to design a custom center insulator for a dipole Here’s the 3D part if you want to print one for yourself…. Read more
6M-F Magnetic Loop
A 50~54 mHz high performance, CNC manufactured, all aluminum magnetic loop antenna. At only 18 inches, and 1½ pounds, it’s an excellent choice for re… Read more
HF/VHF LINEAR LOADED VERTICAL ANTENNA
The adjustiwave antenna system is an efficient adjustable quarter wave vertical antenna that can be used anywhere between 3.5Mhz and 148Mhz (80m to 2m… Read more
Review
Renewing Your Amateur Radio License thru FCC Universal Licensing System
Renewing Your Amateur Radio License thru FCC Universal Licensing System Read more
Measuring Coaxial Cable Losses @ HF, VHF, and UHF frequencies.
Measuring Coaxial Cable Losses @ HF, VHF, and UHF frequencies. Read more
NEW! Yaesu FT3D C4FM Handheld Review/Comparison C4FM Handheld Review/Comparison
Yaesu FT3D C4FM Handheld Review/Comparison FT3DR 2 m/70 cm Dual-Band Handheld 5 W C4FM/FM Dual Band Digital Trans… Read more
Review of BTECH UV-25X2 Mobile 2m/70cm FM Radio
what Makes the UV-25X2 Unique: Dual Synchronize Display Mode, Mic Audio Gain Settings, Expanded Frequency Range (up to 520MHz), In depth user’s… Read more
Equipment
Hambuilder HBR4HF 4 Band HF Transceiver
HBR4HF specification Heterodyne 10MHz Xtal filter exciter based on Hambuilder BritX exciter 300-25000Hz audio band pass active filter using NE5532 4 B… Read more
![Icom IC7610 – RX and Menu [ Video ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2021/09/ic7610_b-265x168-1.jpg?w=635&ssl=1)
Icom IC7610 – RX and Menu [ Video ]
Icom IC7610 The SDR Everyone Wants! Receivers Independent direct sampling receivers capable of receiving two bands/two modes simultaneously. DIGI-SEL… Read more
Ameritron AL-82 AMPLIFIER – TWO 3-500Z
Ameritron AL-82 Ameritron`s Dual 3-500Z AmplifierThe Ameritron AL-82 Linear Amplifier is designed to give you years of trouble free service at the ful… Read more
MK-4 Heavy Duty – 25′ Maximum Height Fiberglass Masts
The MK-4 Series of masts are, by far, our most portable masts for many reasons. The masts are light weight and short enough, when fully collapsed, to… Read more
ICOM IC-PW1 Linear Amplifier
ICOM IC-PW1 Linear Amplifiers offer the power you need to succeed! Wide-frequency coverage with 1 kW output, a built-in automatic antenna tuner, and a… Read more
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