Universal Licensing System
WPWZ448
Helix Charter High School
License details
| ULS identifier | 2486648 |
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| Call sign | WPWZ448 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-02-14 |
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| Expiration | 2013-02-14 |
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| Cancellation | 2013-04-20 |
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| Frequency range | 451.825 - 466.4625 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | La Mesa, SAN DIEGO, CA |
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| Coordinates | 32.7555556, -117.0394444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 02:57:55 |
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Licensee
| Name | Helix Charter High School |
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| Applicant type | C |
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| FRN | 0001526599 |
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| Location | La Mesa, CA |
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| Address | 7323 University Ave, La Mesa, CA, 91941 |
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| Phone | 6196441940 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.82500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.85000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 461.46250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 461.98750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 466.46250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.82500000 | | 11K2F3E |
| 1 | 1 | 451.85000000 | | 11K2F3E |
| 1 | 1 | 461.46250000 | | 11K2F3E |
| 1 | 1 | 461.98750000 | | 11K2F3E |
| 1 | 1 | 466.46250000 | | 11K2F3E |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2486648 | 2026-08-09 02:57:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWZ448 | ULS 2486648 | 2026-08-09 02:57:55 |
| Status | E | ULS 2486648 | 2026-08-09 02:57:55 |
| Service | IG | ULS 2486648 | 2026-08-09 02:57:55 |
| Grant Date | 2003-02-14 | ULS 2486648 | 2026-08-09 02:57:55 |
| Expiration Date | 2013-02-14 | ULS 2486648 | 2026-08-09 02:57:55 |
| Cancellation Date | 2013-04-20 | ULS 2486648 | 2026-08-09 02:57:55 |