Universal Licensing System
WRBK437
FiberTower Spectrum Holdings LLC
License details
| ULS identifier | 4033451 |
|---|
| Call sign | WRBK437 |
|---|
| Radio service | UU |
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| Status | C |
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| Grant date | 2018-04-11 |
|---|
| Expiration | 2023-04-09 |
|---|
| Cancellation | 2020-06-02 |
|---|
| Source archive | l_market.zip |
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| Dataset refreshed | 2026-08-02 02:28:08 |
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License history
| Date | File or call sign | Action |
|---|
| 2020-06-10 | WRBK437 | PNACT |
| 2020-06-02 | WRBK437 | LICAN |
| 2019-04-24 | WRBK437 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4033451 | 2026-08-02 02:28:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBK437 | ULS 4033451 | 2026-08-02 02:28:08 |
| Status | C | ULS 4033451 | 2026-08-02 02:28:08 |
| Service | UU | ULS 4033451 | 2026-08-02 02:28:08 |
| Grant Date | 2018-04-11 | ULS 4033451 | 2026-08-02 02:28:08 |
| Expiration Date | 2023-04-09 | ULS 4033451 | 2026-08-02 02:28:08 |
| Cancellation Date | 2020-06-02 | ULS 4033451 | 2026-08-02 02:28:08 |