After a full scale of radio DXpedition in Kundasang, Sabah, I visited Keningau and Tenom by driving from Ranau and passing by Tambunan (NOTE: I skipped Tambunan for radio DXpedition because there are no distant radio stations).
Keningau is the biggest town of Interior Division, Sabah, it is an important stopover town for those are driving from Kota Kinabalu to Tawau via Nabawan.
About the radio stations' availability, only RTM radio stations from Bukit Sigapon are available in Keningau and Tenom by following frequencies below:
* Radio Klasik FM 88.5MHz
* Nasional FM 89.3MHz
* Sabah FM 90.3MHz
* Traxx FM 91.1MHz
* Ai FM 92.3MHz
* Sabah VFM 93.1MHz
* Keningau FM 94.7MHz
I tried to perform radio DXpedition there by tuning any radio stations from Kota Kinabalu (BUKIT KARATONG), Limbang (BUKIT MAS) and Brunei (BUKIT SUBOK/ANDULAU) like what I did in Kundasang.
Radio stations from Kota Kinabalu (BUKIT KARATONG) are zero signal in Keningau, Sabah due to Crocker Range (Banjaran Crocker), I also attempted to receive Limbang radio stations from Bukit Mas such as RTM Sarawak FM 101.5MHz, Red FM 104.1MHz, Cats FM 88.7MHz and Limbang FM 104.9MHz, but zero signal in Keningau, Sabah too. Limbang FM 104.9MHz has super mild signal in Keningau, but its signal disappeared quickly.
Surprisingly I received 3 weak Brunei radio stations in Keningau, Sabah.
1. Al-Quran FM 89.1MHz Bukit Subok (142km)
* 200kHz adjacent channel interference noise from RTM Nasional FM 89.3MHz Bukit Sigapon transmitter was detected in Keningau, Sabah.
2. RTB Nur Islam FM 93.3MHz Bukit Subok (142km)
* 200kHz adjacent channel interference noise from RTM Sabah VFM 93.1MHz Bukit Sigapon transmitter was detected in Keningau, Sabah.
3. RTB Harmoni FM 97.7MHz Andulau (199km)
Very mild signal was received in Keningau, Sabah. RTB Harmoni FM 97.7MHz from Andulau is the furthest radio station tuned in Keningau, Sabah with 199km distance.
As there is very less DX radio stations in Keningau, Sabah, so I did not spend more time there, instead I continued driving to Tenom for another radio DXpedition and having lunch there.
Same as Keningau, zero signal of Bukit Karatong transmitted Kota Kinabalu radio stations in Tenom, Sabah, but I could receive the distant radio signal from Limbang (BUKIT MAS) and Brunei (BUKIT SUBOK/ANDULAU).
1. RTM Sarawak FM 101.5MHz Bukit Mas LIMBANG (112km)
2. RTM Red FM 104.1MHz Bukit Mas LIMBANG (112km)
3. RTM Limbang FM 104.9MHz Bukit Mas LIMBANG (112km)
4. Cats FM 88.7MHz Bukit Mas LIMBANG (112km)
5. RTB Nasional FM 93.8MHz Andulau BRUNEI (169km)
6. RTB Nur Islam FM 94.9MHz Andulau BRUNEI (169km)
7. RTB Harmoni FM BRUNEI 94.1MHz Bukit Subok (112km) & 97.7MHz Andulau (169km)
8. RTB Pilihan FM 95.9MHz Bukit Subok BRUNEI (112km)
==RESULT OF RADIO DXPEDITION IN KENINGAU AND TENOM, SABAH==
* Andulau transmitted Brunei radio channels such as RTB Nasional FM 93.8MHz, Nur Islam FM 94.9MHz and Harmoni FM 97.7MHz are the furthest radio stations tuned in Tenom, Sabah, Malaysia with 169km distance.
* In Keningau, RTB Harmoni FM 97.7MHz from Andulau is the furthest radio station with 199km distance.
* Due to Crocker Range, Bukit Karatong transmitted Kota Kinabalu radio stations are zero signal in Keningau, Tambunan and Tenom.
* Among all Bukit Mas transmitted Limbang radio stations in Tenom, Sabah, RTM Limbang FM 104.9MHz is the strongest, meanwhile Cats FM 88.7MHz is the weakest.
* At Tenom coffee bean statue roundabout, Brunei radio stations from Andulau are slightly stronger than Bukit Subok.
* In my opinion, Tenom is a better town than Keningau for radio DXpedition because I could catch more distant radio signal in Tenom than Keningau.

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