Universal Licensing System
WPXB740
Castle Rock, Town of, Utilities
License details
| ULS identifier | 2490541 |
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| Call sign | WPXB740 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-02-02 |
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| Expiration | 2033-02-27 |
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| Frequency range | 451.475 - 457.35 MHz (6 frequencies) |
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| Locations | 5 |
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| Representative location | Castle Rock, DOUGLAS, CO |
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| Coordinates | 39.3763611, -104.8480278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:28 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.47500000 | | | 100.000000 | 60.000000 | |
| 2 | 1 | FB | 451.47500000 | | | 100.000000 | 60.000000 | |
| 3 | 1 | MO | 451.47500000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | MO | 452.02500000 | | | 2.000000 | 16.000000 | |
| 4 | 1 | MO | 452.35000000 | | | 2.000000 | 16.000000 | |
| 3 | 1 | MO | 456.47500000 | | | 100.000000 | 100.000000 | |
| 5 | 1 | FX1 | 456.47500000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | MO | 457.02500000 | | | 2.000000 | 16.000000 | |
| 4 | 1 | MO | 457.35000000 | | | 2.000000 | 16.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.47500000 | | 11K3F3E |
| 2 | 1 | 451.47500000 | | 11K3F3E |
| 3 | 1 | 451.47500000 | | 11K3F3E |
| 4 | 1 | 452.02500000 | | 11K2F2D |
| 4 | 1 | 452.35000000 | | 11K2F2D |
| 3 | 1 | 456.47500000 | | 11K2F2D |
| 5 | 1 | 456.47500000 | | 11K3F3E |
| 4 | 1 | 457.02500000 | | 11K2F2D |
| 4 | 1 | 457.35000000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Valley Road, Castle Rock, DOUGLAS, CO | 39.37636111, -104.84802778 | 1999.500 m | POLE | 7.600 m structure / 7.600 m overall | |
| 2 | T | VALLEY ROAD, Castle Rock, DOUGLAS, CO | 39.39891667, -104.86772222 | 1865.400 m | BPOLE | 15.200 m structure / 17.200 m overall | |
| 3 | T | Castle Rock, DOUGLAS, CO | | 0.000 m | | 0.000 m structure / 0.000 m overall | |
| 4 | T | Castle Rock, DOUGLAS, CO | | 0.000 m | | 0.000 m structure / 0.000 m overall | |
| 5 | T | CO | | 0.000 m | | 0.000 m structure / 0.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 7.600 m | | | | 50.900 | |
| 1 | 2 | | | 12.200 m | | | | -51.500 | |
| 1 | 3 | | | | | | | | |
| 1 | 4 | | | | | | | | |
| 1 | 5 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 175 KELLOGG COURT, CASTLE ROCK, CO | DOUGLAS | 3036601020 |
License history
| Date | File or call sign | Action |
|---|
| 2023-02-02 | WPXB740 | LIREN |
| 2022-12-05 | WPXB740 | LETRES |
| 2018-08-28 | WPXB740 | LIAUA |
| 2013-08-07 | WPXB740 | LIREN |
| 2013-05-01 | WPXB740 | LIMOD |
| 2013-02-28 | WPXB740 | ESUAPR |
| 2013-02-17 | WPXB740 | ESURNW |
| 2013-01-28 | WPXB740 | ESURNW |
| 2012-12-29 | WPXB740 | ESURNW |
| 2012-12-03 | WPXB740 | LETRES |
| 2012-11-29 | WPXB740 | ESURNW |
| 2003-11-24 | WPXB740 | LETCNS |
| 2003-02-27 | WPXB740 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2490541 | 2026-08-02 01:24:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPXB740 | ULS 2490541 | 2026-08-02 01:24:28 |
| Status | A | ULS 2490541 | 2026-08-02 01:24:28 |
| Service | IG | ULS 2490541 | 2026-08-02 01:24:28 |
| Grant Date | 2023-02-02 | ULS 2490541 | 2026-08-02 01:24:28 |
| Expiration Date | 2033-02-27 | ULS 2490541 | 2026-08-02 01:24:28 |