Universal Licensing System
WRBM421
RADIO LICENSE HOLDING SRC LLC
License details
| ULS identifier | 4039005 |
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| Call sign | WRBM421 |
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| Radio service | MG |
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| Status | T |
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| Grant date | 2018-04-26 |
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| Expiration | 2028-04-26 |
|---|
| Cancellation | 2019-10-26 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:53 |
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Control points
| Number | Address | County | Phone |
|---|
| 1 | 750 Battery St, 3rd Floor, San Francisco, CA | SAN FRANCISCO | 4159956800 |
License history
| Date | File or call sign | Action |
|---|
| 2020-02-09 | WRBM421 | FRATRM |
| 2020-02-09 | WRBM421 | PAATRM |
| 2020-02-09 | WRBM421 | ANATRM |
| 2020-02-09 | WRBM421 | LITEAT |
| 2020-02-09 | WRBM421 | LOATRM |
| 2019-12-04 | WRBM421 | PNLISR |
| 2019-12-04 | WRBM421 | LETTRS |
| 2019-07-30 | WRBM421 | LETCNS |
| 2018-04-26 | WRBM421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4039005 | 2026-08-02 02:45:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBM421 | ULS 4039005 | 2026-08-02 02:45:53 |
| Status | T | ULS 4039005 | 2026-08-02 02:45:53 |
| Service | MG | ULS 4039005 | 2026-08-02 02:45:53 |
| Grant Date | 2018-04-26 | ULS 4039005 | 2026-08-02 02:45:53 |
| Expiration Date | 2028-04-26 | ULS 4039005 | 2026-08-02 02:45:53 |
| Cancellation Date | 2019-10-26 | ULS 4039005 | 2026-08-02 02:45:53 |