Roger Nielsen, K7PUG, is having trouble with his Elecraft K3 after a factory reset. Everything sounds garbled and won’t tune in. Let’s troubleshoot together.
Antenna
The Random Wire Double Zepp Antenna
Dipoles fed with an open wire line are called “Double-Zepp” or “Doublet”. The dipole (2 x Xm) may have any length, the open wi... Read more
Monocone HF Antenna
Source:Link Read more
40 Meters 4-element Wire Yagi by VE3VN
Read great article from VE3VN – 40 Meters 4-element Wire Yagi : Read more
Custom Antenna Insulator online .STL creator
Custom Antenna Insulator online .STL creator You can generate own insulator for 3D printing online – precisely tailored of your diameter Read more
Review
How to update your IC-7300 to the latest firmware?
Short video showing the steps in the firmware upgrade process of the Icom IC-7300 HF radio. Make sure you read section 15 of the full owner’s ma... Read more
![Power Supplies – The Doctor Will See You Now! [ ARRL PODCAST ]](https://qrznow.com/wp-content/uploads/2017/07/Screen-Shot-2012-01-18-at-11.03.38-AM-265x168.jpg)
Power Supplies – The Doctor Will See You Now! [ ARRL PODCAST ]
Every Amateur Radio stations needs a power supply, but not all supplies are created equal. “Power Supplies” is the topic of the latest (July 20) episo... Read more
3. LDMOS HF AMPLIFIER 100W INPUT 2400W OUTPUT BLF188XR 2 PCS 1.8-54 MHZ
LDMOS HF amplifier 90W input 2400W CW SSB output 1.8-54 MHz This a ready power amplifier. You will need a case and power supply only! Water-cooled h... Read more
“Dummy Loads” is the topic of the “ARRL The Doctor is In” podcast. Listen…and learn!
“Dummy Loads” is the topic of the new (August 16) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX Engineering,... Read more
Equipment
Yaesu FT DX 3000
The Yaesu FT DX 3000 – Building on the YAESU FT DX Heritage The FT DX 3000 is member of the long line of top performing YAESU FT DX Series of tr... Read more
ADALM-PLUTO: A NEW $149 TX CAPABLE SDR WITH 325 – 3800 MHZ RANGE, 12-BIT ADC AND 20 MHZ BANDWIDTH
The easy to use ADALM-PLUTO active learning module (PlutoSDR) helps introduce electrical engineering students to the fundamentals of software-defined... Read more
mAT-705 Tuner Introduction
mAT-705 Tuner Introduction The MAT-705 is a very small and powerful tuner for portable shortwave devices, especially designed for the Icom IC-705. The... Read more
Begali Signature Dual Paddle Key – Palladium
The Signature Gold embodies the experience that we have gained with the Magnetic Classic and the Magnetic Professional paddles, and it incorporates im... Read more
![PowerGenius XL – RF amplifier [ Brochure and Video ]](https://qrznow.com/wp-content/uploads/2017/02/amp-265x168.jpg)
PowerGenius XL – RF amplifier [ Brochure and Video ]
The PowerGenius XL is a 100% duty cycle, legal limit (1500W ICAS) 1.8-54 MHz RF amplifier intended for both amateur and government use. It incorporat... Read more
News
Massachusetts Court Okays Amateur Radio Tower, Citing Board of Appeals’ Error
A judge in the Massachusetts Land Court has ruled that the Zoning Board of Appeals in the City of Framingham “erred” in revoking a building permit for... Read more
FCC Investigating Alleged “Jamming” on 40 Meters
Reports suggest that jamming stations have been deployed on the lower portion of 40 meters. The jamming appears to be coming from Cuba. The signals, s... Read more
Audio and visual of Cuba jamming 40M, making it to OH
Audio and visual of Cuba jamming 40M, making it to OH Audio and visual of Cuba jamming 40M, making it to OH. #hamradio pic.twitter.com/J4wHLPMGhF — Ha... Read more
Volunteer radio operators to the rescue in Belgian floods
July 2021: Brabant Wallon’s Emergency Radio Network volunteers stepped in when the Police building in Wavre, Belgium – including its Tetra anten... Read more
FCC Investigating Whether Cuban Government Is Jamming HAM Radio
by Matthew Gault The federal government is investigating mysterious signals coming from Havana that are jamming popular frequencies. HAM radio operato... Read more
![Keys and Keyers – ARRL The Doctor is In [PodCast]](https://qrznow.com/wp-content/uploads/2017/08/26490-l-265x168.jpg)
