Universal Licensing System
KD30509
CHELMSFORD HIGH SCHOOL
License details
| ULS identifier | 1772866 |
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| Call sign | KD30509 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2013-08-28 |
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| Expiration | 2023-10-27 |
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| Cancellation | 2023-12-30 |
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| Frequency range | 461.275 - 468.925 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | CHELMSFORD, MIDDLESEX, MA |
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| Coordinates | 42.6215833, -71.3760556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 03:06:57 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 461.27500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 461.27500000 | | | 1.000000 | 1.000000 | |
| 2 | 1 | FB2 | 463.92500000 | | | 15.000000 | 30.000000 | |
| 3 | 1 | MO | 463.92500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 468.92500000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.27500000 | | 11K2F3E |
| 1 | 1 | 461.27500000 | | 11K2F3E |
| 2 | 1 | 463.92500000 | | 11K2F3E |
| 3 | 1 | 463.92500000 | | 11K2F3E |
| 3 | 1 | 468.92500000 | | 11K2F3E |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1772866 | 2026-08-09 03:06:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KD30509 | ULS 1772866 | 2026-08-09 03:06:57 |
| Status | E | ULS 1772866 | 2026-08-09 03:06:57 |
| Service | IG | ULS 1772866 | 2026-08-09 03:06:57 |
| Grant Date | 2013-08-28 | ULS 1772866 | 2026-08-09 03:06:57 |
| Expiration Date | 2023-10-27 | ULS 1772866 | 2026-08-09 03:06:57 |
| Cancellation Date | 2023-12-30 | ULS 1772866 | 2026-08-09 03:06:57 |