Sunday, 18 January 2026

Co-channel interference between RTM Selangor FM (Gunung Ulu Kali) and RTM Minnal FM (Bukit Bakar) on 100.9MHz in Kelantan and Pahang


Although RTM Selangor FM 100.9MHz from Gunung Ulu Kali mainly covers Selangor, but it can be tuned in West Pahang, Central Pahang, South Perak, part of Negeri Sembilan, and Melaka, meanwhile RTM Minnal FM is also using same frequency with Selangor FM in Bukit Bakar transmitter to cover Central Kelantan areas like Machang and Kuala Krai.


The most interesting point is Selangor FM 100.9MHz can be received in South Kelantan, but it has a strong co-channel interference with Minnal FM from Bukit Bakar.


It is very interesting when both radio stations are interfering each other on the frequency FM 100.9MHz in Kelantan and Pahang.


From 2021 to 2022, I had managed to record the co-channel interference radio signal videos of Selangor FM and Minnal FM in Pahang and Kelantan on the frequency FM 100.9MHz.


1. Lojing Highlands, Kelantan (Pos Blau)


2. Merapoh, Pahang


3. Fraser's Hill, Pahang


4. Jerantut, Pahang (Kuala Tembeling)

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