Universal Licensing System
WRDU888
Denmar Technical Services, Inc
License details
| ULS identifier | 4183139 |
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| Call sign | WRDU888 |
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| Radio service | AF |
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| Status | E |
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| Grant date | 2019-07-25 |
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| Expiration | 2024-07-25 |
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| Cancellation | 2024-09-28 |
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| Frequency range | 123.275 - 123.525 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | Spaceport America, SIERRA, NM |
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| Coordinates | 32.9904167, -106.9723333 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:33 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FMA1 | 123.27500000 | | | 50.000000 | | HL |
| 1 | 1 | FMA1 | 123.45000000 | | | 50.000000 | | HL |
| 1 | 1 | FMA1 | 123.52500000 | | | 50.000000 | | HL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 123.27500000 | | 6K00A3E |
| 1 | 1 | 123.45000000 | | 6K00A3E |
| 1 | 1 | 123.52500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Spaceport America, SIERRA, NM | 32.99041667, -106.97233333 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | Spaceport America 9NM9, Truth or Consequence, NM | SIERRA | 7752845580 |
License history
| Date | File or call sign | Action |
|---|
| 2024-09-28 | WRDU888 | LIEXP |
| 2024-04-29 | WRDU888 | LETRES |
| 2019-07-25 | WRDU888 | LIISS |
| 2019-07-25 | WRDU888 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4183139 | 2026-08-02 02:08:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRDU888 | ULS 4183139 | 2026-08-02 02:08:33 |
| Status | E | ULS 4183139 | 2026-08-02 02:08:33 |
| Service | AF | ULS 4183139 | 2026-08-02 02:08:33 |
| Grant Date | 2019-07-25 | ULS 4183139 | 2026-08-02 02:08:33 |
| Expiration Date | 2024-07-25 | ULS 4183139 | 2026-08-02 02:08:33 |
| Cancellation Date | 2024-09-28 | ULS 4183139 | 2026-08-02 02:08:33 |