PJ5/W5JON Sint Eustatius. From DXNews.com
PJ5/W5JON will be active from Sint Eustatius Island, IOTA NA – 145, 26 April – 4 May 2022. Read more
Mese: Dicembre 2021
JT4RR Mongolia. From DXNews.com
Mats, SM6LRR will be active as JT4RR from Mongolia. Read more
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 comments Jeff, KD8KPT, asks about the logistics of putting antennas up in his trees. Read more Status QUAD: 2/4/5 StQ 7- 2 elements 40/30 –... Read more
The Best Amateur Radio Links of 2021
A list of best new amateur radio links we reviewed in 2021 Read more
Measuring Balun Ratios
I have been asked how to measure the ratios of a Balun or an Unun. So if you’re someone who has that same question this is a video for you. Antenna The 10/15/20 Meter Trap Vertical Antenna January 01, 2015 No comments “This antenna... Read more
Resonant Frequency of Antennas
“The feedline to an antenna will perform better if the antenna has the same impedance. Jim Heath W6LG uses the RigExpert AA-2000 to measure a small dipole’s resonant frequency which is not the same frequency as the lowest SWR. The resonant frequency of an antenna... Read more
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 Ham Radio station. This is the installation video along with some basic testing. 80m seems a bit deaf but we need to test this out... Read more
Ham Radio Jamming, Wireless Industry Battlegrounds, and IoT in Space – IEEE Spectrum
Ham Radio Jamming, Wireless Industry Battlegrounds, and IoT in Space IEEE Spectrum Read more
Hurricane Watch Net Recorded 300 On-Air Hours in 2021
Hurricane Watch Net (HWN) Manager Bobby Graves, KB5HAV, says 2021 was the third most-active hurricane season on record in terms of named storms, and was the sixth consecutive above-normal season.“We’ve completed another hurricane season. The Atlantic basin was extremely busy again for 2021,” Graves told... Read more
Mombarone HamFest
Italian Hamfest from ASTI provice, in cooperation with Florence HamFest. Read more
