Currently Hot FM and Molek FM frequencies in Kuala Terengganu are 105.0MHz and 93.6MHz respectively, meanwhile in Kota Bharu, Hot FM is on 88.6MHz and Molek FM on 105.1MHz.
In Besut areas, Hot FM 105.0MHz (Kuala Terengganu) and Molek FM 105.1MHz (Kota Bharu) are having interference badly because both are having 100kHz frequency separation, and 105.0MHz and 105.1MHz are different radio stations. Listeners in Besut, Terengganu have to tune on alternative frequencies weakly such as Hot FM on 88.6MHz, and Molek FM 93.6MHz.
When I was in Jerteh, Molek FM 105.1MHz and Hot FM 105.0MHz were badly interfering each other.
In my opinion, Media Prima Audio does not need to launch Bukit Bintang transmitter for Hot FM and Molek FM actually to solve interference issue between both radio stations. The interference issue can be solved by swapping Molek FM's and Hot FM's Kuala Terengganu frequencies.
Hot FM can use 93.6MHz in Kuala Terengganu, meanwhile Molek FM uses 105.0MHz.
==Frequency swap between Molek FM and Hot FM in Kuala Terengganu==
* Hot FM: 105.0MHz>>93.6MHz
* Molek FM: 93.6MHz>>105.0MHz
If Molek FM swaps with Hot FM by switching Kuala Terengganu frequency from 93.6MHz to 105.0MHz, it will be easier for its listeners in Besut, Terengganu because they can tune 105.0MHz and 105.1MHz vice versa as both frequencies are same radio stations. So, this results self-interference.
105.0MHz: Molek FM Bukit Besar (Kuala Terengganu)
105.1MHz: Molek FM Peringat (Kota Bharu)
<100kHz, self-interference under same stations>
Self-interference of Molek FM between 105.0MHz and 105.1MHz is same as Fly FM which is on 107.4MHz in Kota Bharu and 107.5MHz Kuala Terengganu, what an easy management.
The FM 105.0MHz transmitter power is at 2kW, meanwhile 93.6MHz is at 1kW. So, it is better to put Molek FM on 105.0MHz, but Hot FM can increase transmitter power from 1kW to 2kW when it uses 93.6MHz.
As Thailand radio station in Tak Bai on FM 88.75MHz is no longer in operation, Hot FM can increase Kota Bharu frequency 88.6MHz transmitter power to 1kW, so it can reach Besut better.
If Media Prima Audio does the frequencies swap between Molek FM and Hot FM in Kuala Terengganu, the proposal to launch Bukit Bintang transmitter for Besut is not necessary anymore.
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