Measuring Crystals with NanoVNA and other tools
Antenna
How to install a Horizontal Waller Flag antenna at 150 foot
The Horizontal Waller Flag antenna is a produced and sold by Carlos N4IS http://top-beam.com/ The boom on this one is 44 feet long. Interlaced... Read more
CUSHCRAFT SR-5 – 5-BD, 9EL, 10/12/15/17/20 M, 5KW
The SR-5 – A 9 element multi-Band HF 5 Band Super-compact Yagi covering 20m/17m/15m/12m/10m bands with a single feed point The SR-5 has been red... Read more
Building a Delta Loop Antenna For The 30m Band, Part 1.
“Since my 6m Delta Loop seems to work pretty well I decided to build one for the 30m band to be used with my Spiderbeam 12m mast. Unfortunately... 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
Review
FTdx10 vs IC-7300 Comparison
This week Jonathan compares the new Yaesu FTdx10 and the Icom IC-7300. What are your comments on either? Read more
Universal Radio presents the Kenwood TS-590SG
Product Overview Be witness to the evolution of KENWOOD‘s pride and joy – the TS-590S HF transceiver – pushing performance and techn... Read more
Customizing the Ailunce HD1
Ailunce HD1 Ailunce HD1 Dual Band DMR Digital DCDM TDMA Waterproof Two Way Radio Description: HD1 dual band digital radio uses Digital Mobile... Read more
HF Mobile Antennas – Ham Nation
Gordon West (WB6NOA) talks about HF mobile antennas, and getting the feed-point impedance at 50 Ohms. Also covered, is a recommendation on the type of... Read more
Building the v6.1 Micro BITX from India
“I build the new version 6.1 uBITX HF QRP SSB/CW transceiver fromm www.hfsigs.com in India. For an extra US$50, they include a case, another ext... Read more
Equipment
Icom IC-7700 + QST Review
Icom IC-7700 110dB dynamic range and +40dBm 3rd order Intercept Point (IP3) The IP3 performance of a radio can be improved by sacrificing sensitivity,... Read more
The ZN-HKR is new for 2015 by N3ZN
The ZN-HKR is new for 2015. It is an all brass straight key built on a 4″ diameter brass base. It features 4 ball bearing and silver con... Read more
Compact Power Supply for Elecraft Radios
Description The SS-30DV is designed to supply 25 Amps continuous (up to 5 minutes) and 30 Amps surge at 14.1 VDC. It is the perfect companion s... Read more
Alpha 4040 DreamTuner
“In the last 45 days, we’ve made a lot of progress on the Alpha 4040 DreamTuner. As you know, when we tested the tuner under full... Read more
Airspy advanced open-source software defined radio receiver
What is Airspy? Airspy is an advanced open-source software defined radio receiver with adequate dynamic range, capable of sampling 10MHz... 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
