| Broadcast area | Albay and surrounding areas |
|---|---|
| Frequency | 100.3 MHz |
| Branding | Radyo Siram 100.3 |
| Programming | |
| Format | Contemporary MOR,News,Talk |
| Ownership | |
| Owner | Hypersonic Broadcasting Center |
| DWZR Zoom Radio | |
| History | |
First air date | October 30, 2015 |
Former names | Z100.3 Zagitsit News FM (October 30, 2015–November 8, 2021) |
| Technical information | |
Licensing authority | NTC |
| Power | 5 kW |
DWHI (100.3FM), on-airRadyo Siram 100.3, is a radio station owned and operated byHypersonic Broadcasting Center. Its studio is located along Rizal St., Brgy. Sagpon, Daraga, Albay. Its transmitter is located at Mount Bariw, Brgy. Estanza, Legazpi City.[1]
It was formerly known asZ100.3 Zagitsit News FM from its inception on October 30, 2015 to November 8, 2021, when it went off the air due to violation of some policies for provisional authority in broadcasting, which were dismissed by the management as politics.[2][3]
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