|
Receiving every signal is not always a good thing — especially when you receive them all at once! The Doctor describes why proper filtering is important. |
||
VHF
BTECH UV-5X3 Handheld Tribander
BTECH UV-5X3 An Affordable Tribander HT Available Today! BaoFeng Tech announced today the release of the BTECH UV-5X3 The UV-5X3 is more than just a... Read more
Portable Repeater Controller
This microprocessor-based Portable Repeater Controller was designed to quickly build a fully functional repeater ‘in the field’ in less th... Read more
Successful VHF QSO between ZS3 and ZD7
Kobus van der Merwe, ZS3JPY reports that between 19:45 and 21:45 UTC on Wednesday 7 November 2018, a QSO took place on 2 metres between St Helena Isla... Read more
Introducing the IC-M423G VHF/DSC with Integrated GPS Receiver
The IC-M423G is an enhanced version of the IC-M423 fixed mount VHF/DSC with some new enhancements including an integrated GPS Receiver which allows cu... Read more
VOXTER UV-W8 VHF and UHF
VOXTER UV-W8 Technical Parameter Model/ General VOXTER UV-W8 Frequency range VHF 136-174MHz UHF 400-480MHz Channel Capacity 2X128 Channe... Read more
Student from Saint Paul’s School Rajkot receives ISS SSTV
14-year-old Snehal Vagadia VU3WHO successfully received his first Slow Scan TV image from the International Space Station on Sunday, February 10. It w... Read more
Review
Review of MFJ-566 Keys–Low Price, High Performance
“MFJ recently announced two new Morse Code straight keys, the MFJ-566M with a metal base and the MFJ-566P with a plastic base. These small, 3D-p... Read more
WELLBROOK ALA1530S+ LOOP ANTENNA – Review
“I have been a keen shortwave listener since 1970 and have had many receivers and antenna types during this time. Currently I have two wire ante... Read more
![Clean up your shack – RSGB Convention lecture 2015 [ Video ]](https://qrznow.com/wp-content/uploads/2017/02/lte-u-640x292-190x122.png)
Clean up your shack – RSGB Convention lecture 2015 [ Video ]
Ian White, GM3SEK gives helpful advice about how to reduce noise levels on receive and avoid causing RF Interference. Read more
Equipment
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
ES-4 Radio / Antenna Selector Switch between 3 radios and 5 antennas
ES-4 COMES AS A CONTROL UNIT AND A BASE (SWITCHING) UNIT THE BASE UNIT RECEIVES 12V POWER AND HAS ALL THE HEAVY COAXIAL CABLES CONNECTED TO IT. THER... Read more
Elecraft K3 Crystal ‘Roofing’ Filters
Elecraft K3 What “Roofing Filter” means to Elecraft K3 Filters and Dynamic Range There’s been so much discussion about this... Read more
MRF1K50H: 1500 W CW over 1.8-500 MHz, 50 V Wideband RF Power LDMOS Transistor
This high ruggedness device, MRF1K50H, is designed for use in high VSWR industrial, scientific and medical applications, as well as radio and VHF TV b... 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
QRPver-1-v-2-JT65-PSK-BPSK-QRP-Transceiver
This is the SINGLE BAND , ONE frequency JT65 / PSK / BPSK QRP Transceiver. This small size QRP transceiver has about 1 Watts output power built on the... Read more
Antenna
VE6JY Antenna Farm
A quick tour of VE6JY’s towers/antennas near Lamont, Alberta. Read more
Q52 Relay-switched 20-17-15-12-10 meter Yagi
See Q52 20 17 15 12 10 5-band Remote Switched 2el Yagi Coverage band in 2 segments whole band whole band whole band >1.1MH... Read more
AG6IF BUILT 3DFL, 2 METER FULL WAVE HAM RADIO ANTENNA, WORKS ON 440 70CM ALSO
You are looking at a AG6IF built 2 meter ham radio antenna. 3 dimensional folded Full wave loop design. Rugged and solid with soldered copper connect... Read more
How To Orientat A Beam Antenna– Beam Headings
Here’s a link to find your declination: http://www.ngdc.noaa.gov/geomag-web/ Request an Azimuthal Map by NS6T Read more
SUPER SKYRIDER™ 9400 Mobile HF NVIS Magnetic Loop Antenna
SUPER SKYRIDER™ 9400 Mobile HF NVIS Magnetic Loop Antenna Stealth 9400 Mobile HF NVIS Magnetic Loop Antenna has been developed to address the e... Read more
X700HNA Dual band Base / Repeater Antenna
Special Features: • Fiberglass radomes • Overlapping outer shells for added strength • Strong waterproof joint couplings • Stainless steel har... Read more
