Universal Licensing System
WRFZ550
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4285320 |
|---|
| Call sign | WRFZ550 |
|---|
| Radio service | UU |
|---|
| Status | A |
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| Grant date | 2020-06-04 |
|---|
| Expiration | 2030-06-04 |
|---|
| Source archive | l_market.zip |
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| Dataset refreshed | 2026-08-02 02:28:02 |
|---|
License history
| Date | File or call sign | Action |
|---|
| 2025-09-04 | WRFZ550 | LIAUA |
| 2025-04-02 | WRFZ550 | LIASS |
| 2025-03-21 | WRFZ550 | LITRAN |
| 2024-01-31 | WRFZ550 | LIASS |
| 2024-01-26 | WRFZ550 | LIAUA |
| 2023-01-13 | WRFZ550 | LIAUA |
| 2020-06-04 | WRFZ550 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4285320 | 2026-08-02 02:28:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFZ550 | ULS 4285320 | 2026-08-02 02:28:02 |
| Status | A | ULS 4285320 | 2026-08-02 02:28:02 |
| Service | UU | ULS 4285320 | 2026-08-02 02:28:02 |
| Grant Date | 2020-06-04 | ULS 4285320 | 2026-08-02 02:28:02 |
| Expiration Date | 2030-06-04 | ULS 4285320 | 2026-08-02 02:28:02 |