Categoria: QRZNow
Visualizing the effect of a low pass filter on harmonics
I thought I’d share this little experiment, I found it quite interesting. Antenna Antennas Vs Trees May 04, 2021 No…
Measuring Balun Ratios
I have been asked how to measure the ratios of a Balun or an Unun. So if you’re someone who…
Resonant Frequency of Antennas
“The feedline to an antenna will perform better if the antenna has the same impedance. Jim Heath W6LG uses the…
RX Antenna – I Installed a Loop On Ground (LOG) for Ham Radio
“I have never tried a Loop RX antenna actually on the Ground! So today I tried it out for my…
A Pair of Christmas Storms Heads for Earth
Informal Solar Storm Forecast 12.23.2021 Antenna CX-AUTO Switch – Kessler Engineering, LLC December 29, 2017 No comments he CX-AUTO was…
ICOM ID-52 Overview
ICOM ID-52 Icom has announced details of the ID-52E D-STAR Digital Handheld Transceiver. The ID-52E VHF/UHF dual-band digital transceiver is…
GA-450 Portable Active Small Loop HF Antenna
Loop HF Antenna Here we take a look at the GA450 Active Loop HF Antenna. Overall impression, better than expected!…
InnovAntennas DXR3-MKII 6 Element Tri-Band Yagi 20/15/10m
DXR3 produced are the MKII version, a 20, 15 and 10 meter HF Yagi with 6 interlaced elements on a…
Starting with a Straight Key
“James, has quite a long complicated question but summarize he wants to know if he can start learning morse code…
ISS SSTV Transmission Set for Late December
The Amateur Radio on the International Space Station (ARISS) team will support Slow Scan TV (SSTV) transmissions from the International…
