| Salbu | |
|---|---|
| Municipality | Datu Saudi-Ampatuan |
| Province | Maguindanao del Sur |
| PSGC code | PH1908826013 |
| Population (2020 est.) | 1,176 |
| Area | 8.6 km² |
| Cell towers | 5 |
| Coverage status | Crowdsourced signal only (no registered tower) |
| Typhoons since 1980 | 11 (within 100 km) |
Salbu is a barangay of Datu Saudi-Ampatuan, Maguindanao del Sur, Philippines, with an estimated population of 1,176 (WorldPop 2020, corrected zonal estimate). Household income in the area is estimated at ₱9,146 per month; a Starlink satellite subscription (₱4,099/month) would represent approximately 45% of that income.
| Indicator | Value | Source |
|---|---|---|
| Registered cell towers (NTC) | 0 | NTC registry |
| Crowdsourced towers (OpenCelliD) | 5 | OpenCelliD |
| Coverage classification | Crowdsourced signal only (no registered tower) | Cross-validation |
| Median download (where tested) | 18.5 Mbps | M-Lab |
| Backbone proximity | 25 to 50 km from the backbone | Submarine Cable Map / PeeringDB / DICT |
Estimated household income: ₱9,146/month (modeled from PSA poverty incidence, 59.8% for the municipality). Starlink (₱4,099/month) would consume about 45% of household income, well above common affordability benchmarks.
| Indicator | Value | Source |
|---|---|---|
| Mean elevation | 17 m | FABDEM |
| Mean slope | 4.5° | FABDEM |
| Tree canopy height | 7.0 m | ETH Global Canopy 2020 |
| Travel time to nearest city | 18 min | Malaria Atlas Project |
Since 1980, 11 tropical cyclones have passed within 100 km (NOAA IBTrACS). Satellite records show 1 observed flood event(s) (Global Flood Database). Lightning density is 0.13 strokes/km²/year (WGLC).
Annual average night-time radiance (NASA VIIRS), a proxy for electrification and economic activity:
NTC tower registry · OpenCelliD · WorldPop 2020 (100 m, corrected zonal statistics) · PSA Small Area Estimates · NASA VIIRS · NOAA IBTrACS v04 · Global Flood Database · ETH Global Canopy Height · FABDEM · Malaria Atlas Project · WGLC lightning climatology · Microsoft Global ML Building Footprints · Starlink Philippines published pricing. Methodology: data fused at barangay level using PSGC boundaries (2023).