Universal Licensing System
WRTV437
Wisper ISP, LLC
License details
| ULS identifier | 4640876 |
|---|
| Call sign | WRTV437 |
|---|
| Radio service | PL |
|---|
| Status | A |
|---|
| Grant date | 2022-07-26 |
|---|
| Expiration | 2032-07-26 |
|---|
| Source archive | l_market.zip |
|---|
| Dataset refreshed | 2026-08-02 02:28:37 |
|---|
License history
| Date | File or call sign | Action |
|---|
| 2025-08-11 | WRTV437 | COR |
| 2024-08-12 | WRTV437 | COR |
| 2023-12-20 | WRTV437 | LIASS |
| 2023-08-28 | WRTV437 | COR |
| 2023-02-09 | WRTV437 | COR |
| 2022-11-09 | WRTV437 | COR |
| 2022-07-26 | WRTV437 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4640876 | 2026-08-02 02:28:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRTV437 | ULS 4640876 | 2026-08-02 02:28:37 |
| Status | A | ULS 4640876 | 2026-08-02 02:28:37 |
| Service | PL | ULS 4640876 | 2026-08-02 02:28:37 |
| Grant Date | 2022-07-26 | ULS 4640876 | 2026-08-02 02:28:37 |
| Expiration Date | 2032-07-26 | ULS 4640876 | 2026-08-02 02:28:37 |