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Oahu fm dial reception

E

e-dawg

I notice the Fm stations in Honolulu are static around the downtown area, ala moala shopping area, and Waikiki. I know they’re are a direct line in sight from the transmitter tower nw of Pearl Harbor. Why Honolulu fm stations are static. The only stations that aren’t static are the radio stations such as khcm 97.5 kdnn 98.5 which broadcasting in the downtown area and Krater 96, power 104.3, KHPR88.1, KIPO 89.3, KTUH 90.1, which broadcast from a ridge east of Honolulu.
 
Also, hanging around the north shore near Haleiwa, I cannot picked up any fm radio stations except for Hawaiian public radio 88.1 and 89.3. Also KTUH translator on 91.1fm since these stations have boosters around that area.
 
e-dawg said:
Also, hanging around the north shore near Haleiwa, I cannot picked up any fm radio stations except for Hawaiian public radio 88.1 and 89.3. Also KTUH translator on 91.1fm since these stations have boosters around that area.
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From Haleiwa and much of the North Shore, you should be able to DX several of the Kauai FMs. The last time I was in Hawaii, I caught a few Lihue FMs from the parking area near Sunset Beach.
 
Looking from afar, maybe the 51 kW, 80 kW,& 100 kW kW FMs downtown Honolulu are de-sensing your radio.
Plus there's probably some multipath from the buildings and those rock mountains to the northwest of downtown.
 
e-dawg- If you are listening to FM analog radio, most likely you are hearing multipath interference. This is when a radio station's signal arrives at your radio via the direct path from the transmitter, and from other paths that take longer to reach your radio. It is like a bunch of echos that are a duplicate, but time delayed a tiny bit. Imagine hearing someone's voice with this, and it can be hard to hear the words. In FM analog multipath produces distortion in the sound. In FM a typical cause of multipath interference is reflections from mountains or buildings.
 
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