“It occurred to me that my Garrett metal detector is a signal source at 13.6 KHz, so I decided to test to see if the Airspy hF+ Discovery is able to receive down that low. (And find out if the metal detector is using a modulated signal.)”
Antenna
The 40/80/160 Meter Coil-loaded Inverted V Dipole Antenna
The 40/80/160 Meter Coil-loaded Inverted V Dipole Antenna See all details: Link Read more
Indoor Attic Dipole Antenna for Ham Radio & CQ Antennas Center Insulators
“Viewer request to try out an antenna for Ham Radio in the attic. Using the CQ Antennas Center Insulators from KE5FEN. Thanks David for the insu... Read more
“Antenna Wire” is the topic of the latest episode of the “ARRL The Doctor is In”
“Antenna Wire” is the topic of the latest (January 18) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! More than a half-mill... Read more
W1ZR Wins August QST Cover Plaque Award
The winning article for the August 2016 QST Cover Plaque award is “Antenna Analyzers — the Basics” by Joel R. Hallas, W1ZR. The QST Cover Plaque... Read more
100 Ft Balloon Antenna by KN9B
100 Ft Balloon Antenna “Our radio club yearly Special Event (SE) has experienced low signal strength and poor signal reports. We needed a better... Read more
VHF
Icom IC-2730
Icom proudly announces the debut of the new VHF/UHF dual band transceiver, IC-2730A/2730E. It is the successor of the long selling IC-2720H ser... Read more
Icom IC-9700 First Impression, Comparision with IC-7400
Icom IC-9700 Specifications General Frequency coverage 144.000–148.000, 430.000–450.000, 1240.000–1300.000 MHz Mode SSB, CW, RTTY, AM, FM, DV, DD Numb... Read more
Overview of 50 MHz status in ITU Region 1 (2016)
IARU Region 1 has issued a new version of their Overview of 50 MHz Status document dated Feb 13, 2016 It shows which Region 1 countries currently have... Read more
‘The VHF/UHF DX Book’, 2017 Replica Edition, is now available for free download
2017 Digital Replica Edition The VHF/UHF DX Book was written in the early to mid-1990s by a team of experienced VHF/UHF DXers and equipment developers... Read more
Yaesu FT 991 Versus Icom IC-910 in 144MHz
Yaesu FT 991 Versus Icom IC-910 in 144MHz “We compare the FT-991 receiver performance on 2m with two other radios. Justin, G0KSC, from Waters... Read more
Equipment
NEW LNA + FILTER FOR RADIO ASTRONOMY HYDROGEN LINE OBSERVATIONS RELEASED BY NOOELEC
NooElec have recently released a new LNA + filter combo called the “SAWbird+ H1 Barebones” which significantly lowers the entry bar for ne... Read more
Martin introduces two products from the BHi Range
20W Modular Audio Power Amplifier – Parametric Equaliser – Optional BHi Dual Channel DSP Noise Cancelling and Bluetooth technology. Flex... Read more
HAMlab – 160-6 10W
HAMlab is a fully functional SDR transceiver with 160-10m band coverage and 10W of output power built around the STEMlab platform. It gives you an out... Read more
SMΩRF – RF Vector Power Meter
SMΩRF™ is the most powerful and accurate, in-line RF Vector Signal Meter to date with accuracy rivaling professional instruments. Has tons of features... Read more
Ailunce HS2 HF VHF UHF SDR Transceiver
Ailunce HS2 is an ultra-portable full-frequency full-mode SDR radio. The HAM-BOX mobile app we developed allows the mobile phone to easily control and... Read more
Review
Ham radio HF Go-Kit QRP contacts FT-817 emcomm SHTF doomsday
Here is a video about my go-kit with my FT-817 and making some contacts QRP. Videos on almost all items can be seen on my channel. In this kit i have... Read more
All About CTCSS – ARRL HQ Video
A basic primer about the Continuous Tone Coded Squelch System Continuous Tone-Coded Squelch System The Continuous Tone Coded Squelch System, commonly... Read more
Review Palstar LA-1K – 1 kW Solid-State LDMOS HF amplifier
“Here’s a full review of the Palstar LA-1K, it’s a 1 kW dual LDMOS solid-state HF linear. It covers from 6 to 160 meters. The LA-1K as RF sensin... Read more
PicoAPRS with GPS receiver
“Worlds smallest APRS transceiver with TNC” offers many applications. Matchbox-sized, built-in GPS receiver. The transceiver can not only... Read more
![Icom ID-52A/E debuts ! [ ICOM VIDEO ]](https://qrznow.com/wp-content/uploads/2020/08/hqdefault-2-90x60.jpg)
![Icom ID-52A/E debuts ! [ ICOM VIDEO ]](https://qrznow.com/wp-content/uploads/2020/08/hqdefault-2-180x120.jpg)
