“The ultimate raspberry pi for ham radio is here! This raspberry pi for ham radio has read/write speed ~10 times faster than a micro SD cards. Overclocking the raspberry pi will give you ~30% more speed from the humble little pi.”
Antenna
Arduino Mega2560 based Antenna Rotator Controller
by Vinod Es “Well after a long time I am back with a new project ! This is an attempt to build an Antenna rotator controller using Arduino Mega... Read more
Drone Antenna
“Let’s see if my new DJI Mavic Mini can lift a long wire to be used as an antenna for amateur radio! Not a practical solution by any means... Read more
The Legendary G5RV Antenna – ARRL The Doctor is In podcast
“The Legendary G5RV Antenna” is the topic of the new (August 15) episode of the ARRL The Doctor is In podcast. Listen…and learn! Read more
4 element 50MHz LFA-Q Yagi (4m)
A 4 element Low Noise, High Gain Directional Loop array (LFA-Q) Quad Beam The G0KSC LFA-Q possess all of the design traits InnovAntennas have become w... Read more
OMNI-TILT™ Vertical Antenna Tilt Bases DXE-OMNITILT-2P
DX Engineering OMNI-TILT™ Vertical Antenna Tilt Bases are a completely new design that incorporates features that make this Tilt Base a ‘must ha... Read more
Review
Is the Yaesu FT5D Really Waterproof? Let’s Find Out!
The Yaesu FT5D is IPX7 rated. What that means is it should be capable of being fully submerged in water at 3 feet for 30 minutes. I just had to test i... Read more
Portable RTL – SDR Software Defined Radio with Android
Portable RTL – SDR Software Defined Radio with Android Read more
What is CESSB? W9GR the author explains!
Dave, W9GR explains what is CESSB – Controlled Envelope SSB and how it gives your more RF Talk power. 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
Equipment
![openSPOT3 introduction [ VIDEO ]](https://qrznow.com/wp-content/uploads/2020/03/s2-265x168.jpg)
openSPOT3 introduction [ VIDEO ]
Home » openSPOT3 ••••••••• The openSPOT3 is a battery powered, portable, standalone digital radio internet gateway (hotspot) designed mainly for amate... Read more
Hermes Lite 2 HF SDR Construction And Receive Test
Here we build the Hermes Lite 2 HF SDR and test it’s receive capabilities. Read more
ANAN-7000DLE 100W HF & 6M Transceiver
The ANAN-7000DLE HF & 6M 100W SDR Transceiver offers top of the line performance is a compact rugged package, it is based on the work of the OpenH... Read more
STEMlab 122.88-16 SDR kit basic – REDPITAYA
REDPITAYA – Tailored for HF+50MHz SDR & other RF applications – Comes with two 16 bit ACDs 50 ohm inputs; 14 bit DACs 50 ohm outputs... Read more
Japanese HF KL-1 Kohjinsha PA – 5 KW
The KL-1 consists of a sophisticated and sturdy Main Unit and a Desk Top Controller with five meters (HV, IP, IG, FWD, and REF). The LCD displays BAND... Read more
News
Mysterious Radio Signal Discovered in Milky Way Center | What Is It!?
Ziteng (Andy) Wang is a PhD student at the University of Sydney. He recently discovered an unusual radio signal coming from the direction of the Milky... Read more
TRI BAND TRANSCEIVER – RS-UV3A
The HobbyPCB RS-UV3A radio module is a 144/220/450 MHz FM transceiver board. The RS-UV3A is a low cost transceiver solution for Packet Radio, repeater... Read more
ARRL Continues Its Efforts to Preserve Amateur Radio Secondary Use of the 3 GHz Band
ARRL President Rick Roderick, K5UR, in a written statement on the newly filed H.R.5378 before the US House Commerce Communications and Technology Subc... Read more
![Why Ham Radio [ ARRL Video ]](https://qrznow.com/wp-content/uploads/2021/10/hq720-1-265x168.jpg)
Why Ham Radio [ ARRL Video ]
Josh Nass, KI6NAZ, of @Ham Radio Crash Course talks about what ham radio is, and answers the question…. “Why Ham Radio?” Read more
High Speed Telegraphy 2021 in Montenegro
September 10-14, 2021, the 17th World Championship High Speed Telegraphy was held in Montenegro. The event was organized by MARP (Montenegrin Amateur... Read more
