Universal Licensing System
WPTB421
R F DATA INC
License details
| ULS identifier | 2345789 |
|---|
| Call sign | WPTB421 |
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| Radio service | YG |
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| Status | E |
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| Grant date | 2001-08-22 |
|---|
| Expiration | 2011-08-22 |
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| Cancellation | 2012-02-04 |
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| Frequency range | 451.1625 - 456.2625 MHz (4 frequencies) |
|---|
| Locations | 2 |
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| Representative location | HOUSTON, HARRIS, TX |
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| Coordinates | 29.7602222, -95.3641389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:14 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB8 | 451.16250000 | | | 250.000000 | 161.700000 | |
| 5 | 1 | FB8 | 451.16250000 | | | 110.000000 | 85.000000 | |
| 1 | 1 | FB8 | 451.26250000 | | | 250.000000 | 500.000000 | |
| 5 | 1 | FB8 | 451.26250000 | | | 110.000000 | 85.000000 | |
| 4 | 1 | MO8 | 456.16250000 | | | 50.000000 | 50.000000 | |
| 6 | 1 | MO8 | 456.16250000 | | | 25.000000 | 25.000000 | |
| 4 | 1 | MO8 | 456.26250000 | | | 50.000000 | 50.000000 | |
| 6 | 1 | MO8 | 456.26250000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.16250000 | | 11K2F9W |
| 5 | 1 | 451.16250000 | | 11K2F9W |
| 1 | 1 | 451.26250000 | | 11K2F9W |
| 5 | 1 | 451.26250000 | | 11K2F9W |
| 4 | 1 | 456.16250000 | | 11K2F9W |
| 6 | 1 | 456.16250000 | | 11K2F9W |
| 4 | 1 | 456.26250000 | | 11K2F9W |
| 6 | 1 | 456.26250000 | | 11K2F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3 ALLEN CENTER, HOUSTON, HARRIS, TX | 29.76077778, -95.37077778 | 15.000 m | B | 220.000 m structure / 220.000 m overall | N |
| 4 | T | | | | | | |
| 5 | T | 601 MILAM STREET, HOUSTON, HARRIS, TX | 29.76022222, -95.36413889 | 15.000 m | B | 300.000 m structure / 303.000 m overall | N |
| 6 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 220.000 m | | | | 219.000 | |
| 1 | 4 | | | | | | | | |
| 1 | 5 | T | | 303.000 m | | | | 303.000 | |
| 1 | 6 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4069 S. INDUSTRIAL ROAD, LAS VEGAS, NV | CLARK | 7022528525 |
License history
| Date | File or call sign | Action |
|---|
| 2012-02-04 | WPTB421 | LIEXP |
| 2011-05-30 | WPTB421 | LETRES |
| 2006-09-11 | WPTB421 | LIAUA |
| 2006-08-19 | WPTB421 | ESUAPR |
| 2005-11-21 | WPTB421 | LIAUA |
| 2005-11-15 | WPTB421 | ESUAPR |
| 2005-06-24 | WPTB421 | LIAUA |
| 2005-06-24 | WPTB421 | ESUAPR |
| 2003-07-28 | WPTB421 | LETCNS |
| 2002-08-14 | WPTB421 | LIMOD |
| 2002-06-17 | WPTB421 | COR |
| 2002-05-20 | WPTB421 | LETCNS |
| 2001-08-22 | WPTB421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2345789 | 2026-08-02 01:09:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTB421 | ULS 2345789 | 2026-08-02 01:09:14 |
| Status | E | ULS 2345789 | 2026-08-02 01:09:14 |
| Service | YG | ULS 2345789 | 2026-08-02 01:09:14 |
| Grant Date | 2001-08-22 | ULS 2345789 | 2026-08-02 01:09:14 |
| Expiration Date | 2011-08-22 | ULS 2345789 | 2026-08-02 01:09:14 |
| Cancellation Date | 2012-02-04 | ULS 2345789 | 2026-08-02 01:09:14 |