Universal Licensing System
WPNU536
Dispatch Communications
License details
| ULS identifier | 1806857 |
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| Call sign | WPNU536 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2024-06-26 |
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| Expiration | 2034-06-23 |
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| Frequency range | 472.9625 - 475.9625 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | WALTHAM, MIDDLESEX, MA |
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| Coordinates | 42.3889722, -71.2531111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-09-13 07:06:37 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 472.96250000 | | | 100.000000 | 50.000000 | |
| 2 | 1 | FB6 | 472.96250000 | | | 100.000000 | 50.000000 | |
| 3 | 1 | FB6 | 472.96250000 | | | 100.000000 | 50.000000 | |
| 4 | 1 | MO | 472.96250000 | | | 25.000000 | 25.000000 | |
| 4 | 1 | MO | 475.96250000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 472.96250000 | | 20K0F3E |
| 2 | 1 | 472.96250000 | | 20K0F3E |
| 3 | 1 | 472.96250000 | | 20K0F3E |
| 4 | 1 | 472.96250000 | | 20K0F3E |
| 4 | 1 | 475.96250000 | | 20K0F3E |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1806857 | 2026-09-13 07:06:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNU536 | ULS 1806857 | 2026-09-13 07:06:37 |
| Status | A | ULS 1806857 | 2026-09-13 07:06:37 |
| Service | IG | ULS 1806857 | 2026-09-13 07:06:37 |
| Grant Date | 2024-06-26 | ULS 1806857 | 2026-09-13 07:06:37 |
| Expiration Date | 2034-06-23 | ULS 1806857 | 2026-09-13 07:06:37 |