Universal Licensing System
WPNP431
SERPA AND SONS TRANSPORT INC
License details
| ULS identifier | 1588443 |
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| Call sign | WPNP431 |
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| Radio service | GU |
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| Status | E |
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| Grant date | 1999-04-21 |
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| Expiration | 2004-04-21 |
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| Cancellation | 2004-06-27 |
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| Frequency range | 898.6625 - 938.6375 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | PATTERSON, STANISLAUS, CA |
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| Coordinates | 37.5071667, -121.3730000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 03:08:36 |
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Licensee
| Name | SERPA AND SONS TRANSPORT INC |
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| Applicant type | C |
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| Location | TURLOCK, CA |
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| Address | 125 S VERDUGA RD, TURLOCK, CA, 95382 |
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| Phone | 2096344602 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 2 | 1 | FX1 | 898.66250000 | | | 15.000000 | 15.000000 | |
| 3 | 1 | MO | 898.66250000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | FX1 | 899.63750000 | | | 15.000000 | 15.000000 | |
| 3 | 1 | MO | 899.63750000 | | | 30.000000 | 30.000000 | |
| 1 | 1 | FB4 | 937.66250000 | | | 90.000000 | 50.000000 | |
| 1 | 1 | FB4 | 938.63750000 | | | 90.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 898.66250000 | | 13K6F3E |
| 3 | 1 | 898.66250000 | | 13K6F3E |
| 2 | 1 | 899.63750000 | | 13K6F3E |
| 3 | 1 | 899.63750000 | | 13K6F3E |
| 1 | 1 | 937.66250000 | | 13K6F3E |
| 1 | 1 | 938.63750000 | | 13K6F3E |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1588443 | 2026-08-09 03:08:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPNP431 | ULS 1588443 | 2026-08-09 03:08:36 |
| Status | E | ULS 1588443 | 2026-08-09 03:08:36 |
| Service | GU | ULS 1588443 | 2026-08-09 03:08:36 |
| Grant Date | 1999-04-21 | ULS 1588443 | 2026-08-09 03:08:36 |
| Expiration Date | 2004-04-21 | ULS 1588443 | 2026-08-09 03:08:36 |
| Cancellation Date | 2004-06-27 | ULS 1588443 | 2026-08-09 03:08:36 |