Universal Licensing System
WRBK407
FiberTower Spectrum Holdings LLC
License details
| ULS identifier | 4033421 |
|---|
| Call sign | WRBK407 |
|---|
| Radio service | UU |
|---|
| Status | C |
|---|
| Grant date | 2018-04-11 |
|---|
| Expiration | 2022-12-31 |
|---|
| Cancellation | 2020-06-02 |
|---|
| Source archive | l_market.zip |
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| Dataset refreshed | 2026-08-02 02:28:08 |
|---|
License history
| Date | File or call sign | Action |
|---|
| 2020-06-10 | WRBK407 | PNACT |
| 2020-06-02 | WRBK407 | LICAN |
| 2019-04-24 | WRBK407 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4033421 | 2026-08-02 02:28:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBK407 | ULS 4033421 | 2026-08-02 02:28:08 |
| Status | C | ULS 4033421 | 2026-08-02 02:28:08 |
| Service | UU | ULS 4033421 | 2026-08-02 02:28:08 |
| Grant Date | 2018-04-11 | ULS 4033421 | 2026-08-02 02:28:08 |
| Expiration Date | 2022-12-31 | ULS 4033421 | 2026-08-02 02:28:08 |
| Cancellation Date | 2020-06-02 | ULS 4033421 | 2026-08-02 02:28:08 |