Universal Licensing System
WPZS631
Grandfield Ambulance Service
License details
| ULS identifier | 2598910 |
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| Call sign | WPZS631 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 2004-03-04 |
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| Expiration | 2004-08-31 |
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| Cancellation | 2004-11-06 |
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| Frequency range | 150.805 - 155.355 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Grandfield, TILLMAN, OK |
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| Coordinates | 34.2414722, -98.6983889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:54 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 150.80500000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | FB2 | 155.35500000 | | | 45.000000 | 95.000000 | |
| 2 | 1 | MO | 155.35500000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 150.80500000 | | 20K0F3E |
| 1 | 1 | 155.35500000 | | 20K0F3E |
| 2 | 1 | 155.35500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Tillman Count Barn orth Bell Road, Grandfield, TILLMAN, OK | 34.24147222, -98.69838889 | 340.000 m | NNTANN | 15.000 m structure / 21.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 21.000 m | | 6.0000 | | 37.000 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 2 | County Barn North Bell Road, Grandfield, OK | TILLMAN | 5804795589 |
License history
| Date | File or call sign | Action |
|---|
| 2004-11-06 | WPZS631 | LIEXP |
| 2004-08-21 | WPZS631 | ESURNW |
| 2004-08-01 | WPZS631 | ESURNW |
| 2004-07-02 | WPZS631 | ESURNW |
| 2004-06-02 | WPZS631 | ESURNW |
| 2004-03-04 | WPZS631 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2598910 | 2026-08-02 01:16:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPZS631 | ULS 2598910 | 2026-08-02 01:16:54 |
| Status | E | ULS 2598910 | 2026-08-02 01:16:54 |
| Service | PW | ULS 2598910 | 2026-08-02 01:16:54 |
| Grant Date | 2004-03-04 | ULS 2598910 | 2026-08-02 01:16:54 |
| Expiration Date | 2004-08-31 | ULS 2598910 | 2026-08-02 01:16:54 |
| Cancellation Date | 2004-11-06 | ULS 2598910 | 2026-08-02 01:16:54 |