Nick Langan says that tropospheric propagation is the most common “oddity” in FM
By Nick Langan
Published: September 23, 2025
Nick’s Signal Spot is a new feature in which Nick Langan explores RF signals, propagation, new equipment and related endeavors.
Maybe you’ve been on the other end of a listener phone call during the summer or fall months.
“What happened to your station? Did it go off the air?”
All is well at your transmitter site. But even within a station’s primary coverage area, a tropospheric band opening can be intense enough to produce interference on the same frequency.
