Interesting AM Broadcast Antennas – Part 1: WIRY and WZBR

(All of the photos posted here are taken from https://www.bamlog.com/xmtrfp.htm. All the credits are for the web owner. Thanks !!) A few weeks ago, somebody sent me an email which consists of a link to a wonderful website: https://www.bamlog.com/xmtrfp.htm. This website hosts many photos of AM broadcast transmitter sites around the US and a few from Canada…

WWV And WWVH Would be Off the Air Soon ?

What are WWV and WWVH? For those who originate from other than the US, might be WWV and WWVH sounds unfamiliar. WWV and WWVH are the callsigns of the most famous time and frequency standard radio stations which are maintained by the NIST. WWV station complex is located in Colorado and the WWVH is in…

How Should I Install Radials for My Low Band Vertical ?

I always wondering, how should I install radials for my HF vertical antenna optimally. I don’t have a large enough room for installing full-size ground radials / buried radials even for a 40m band let alone for an 80m band vertical antenna. Therefore, I investigate this topic through analysis on 4NEC2 and try to find…

Announcement About Solar Cycle 25

I am not a solar scientist so I will keep it short and not make any scientific comment about it. On the other day, I read an article about solar cycle 25 here, and it appears to be The Solar Cycle 25 has begun. That article briefly talks about the first sunspot and solar flare of…