3 years ago, Rokan Hilir based Indonesia radio station, Radio Diva Nusantara changed its frequency from FM 100.3MHz to FM 101.7MHz, however in 2025, this radio station changed the frequency again from FM 101.7MHz to FM 101.1MHz.
I have just seen the frequency change of Radio Diva Nusantara through Facebook where the radio station publishes its studio picture with the frequency.
As June 2025, Radio Diva Nusantara broadcasts on FM 101.1MHz in Rokan Hilir, Riau Province, Indonesia, the studio photo with the frequency FM 101.7MHz was no longer used in 2025.
Formerly it was on FM 100.3MHz, then FM 101.7MHz, and now it is on FM 101.1MHz.
Malaysia radio stations from Gunung Ulu Kali transmitter can be received loudly and clearly in Rokan Hilir, Riau Province, Indonesia. On 17th November 2020, there was a video of tuning Malaysia radio stations in Rokan Hilir, Radio Diva Nusantara was on FM 100.3MHz at that time. Before moving to FM 101.7MHz in February 2022, MY FM 101.8MHz from Gunung Ulu Kali was loud and clear in Rokan Hilir.
Radio Diva Nusantara changes its frequency to FM 101.1MHz by not using FM 101.7MHz anymore since 2025 because its former frequency FM 101.7MHz was interfered by MY FM 101.8MHz from Malaysia within Rokan Hilir regency. Hence, this radio station is allowed by KOMINFO to change the frequency to 101.1MHz to avoid the inteference from MY FM 101.8MHz.
The frequency allocation of Radio Diva Nusantara on FM 101.1MHz in Rokan Hilir, Riau, Indonesia is good enough because it has 200kHz frequency separation with RTM Selangor FM 100.9MHz from Gunung Ulu Kali transmitter, so it won't be interfered by Malaysia radio station within the coverage due to larger frequency separation.
==RF analysis of Radio Diva Nusantara FM 100.3MHz (2016-2022)==
100.1MHz: Traxx FM Gunung Ulu Kali (Malaysia)
100.3MHz: Radio Diva Nusantara Rokan Hilir
<200kHz, OK>
100.3MHz: Radio Diva Nusantara Rokan Hilir
100.5MHz: Radio KLA FM Dumai
<200kHz, NOT OK>
==RF analysis of Radio Diva Nusantara FM 101.7MHz (2022-2025)==
101.7MHz: Radio Diva Nusantara Rokan Hilir (Indonesia)
101.8MHz: MY FM Gunung Ulu Kali (Malaysia)
<100kHz, NOT OK, interference within Rokan Hilir>
==RF analysis of Radio Diva Nusantara FM 101.1MHz (2025-present)==
100.8MHz: Radio Hit FM Dumai
101.1MHz: Radio Diva Nusantara Rokan Hilir
<300kHz, OK>
100.9MHz: RTM Selangor FM Gunung Ulu Kali
101.1MHz: Radio Diva Nusantara Rokan Hilir
<200kHz, OK>
Comparing both RF analysis above, FM 101.1MHz transmission in Rokan Hilir, Riau Province, Indonesia is better than FM 101.7MHz and FM 100.3MHz because Radio Diva Nusantara is no longer interfered by Malaysia radio station due to wider frequency separation.
==Timeline of Radio Diva Nusantara frequency==
* FM 100.3MHz: 2016-2022
* FM 101.7MHz: 2022-2025
* FM 101.1MHz: 2025-present
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