Universal Licensing System
WRT991
GENERAL MOBILE RADIO SERVICES INC
License details
| ULS identifier | 1762163 |
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| Call sign | WRT991 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2005-04-20 |
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| Expiration | 2015-04-24 |
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| Cancellation | 2013-01-02 |
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| Frequency range | 464.4 - 469.4 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | DETROIT, WAYNE, MI |
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| Coordinates | 42.3291944, -83.0401944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:31 |
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Licensee
| Name | GENERAL MOBILE RADIO SERVICES INC |
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| Applicant type | C |
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| FRN | 0002758662 |
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| Location | ROSEVILLE, MI |
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| Address | ROSEVILLE, MI, 48066 |
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| Phone | 8107793600 |
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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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| 1 | 1 | FB4 | 464.40000000 | | | 110.000000 | 1100.000000 | |
| 2 | 1 | FB | 464.40000000 | | | 110.000000 | 1100.000000 | |
| 3 | 1 | MO | 464.40000000 | | | 110.000000 | | |
| 2 | 1 | FX1 | 469.40000000 | | | 110.000000 | 1100.000000 | |
| 3 | 1 | MO | 469.40000000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.40000000 | | 20K0F3E |
| 2 | 1 | 464.40000000 | | 20K0F3E |
| 3 | 1 | 464.40000000 | | 20K0F3E |
| 2 | 1 | 469.40000000 | | 20K0F3E |
| 3 | 1 | 469.40000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WESTIN HOTEL RENAISSANCE CTR, DETROIT, WAYNE, MI | 42.32919444, -83.04019444 | 174.000 m | | | N |
| 2 | T | 1700 W PLEASANT ST, RIVER ROUGE, WAYNE, MI | 42.27919444, -83.13630556 | 180.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 223.000 m | | | | | |
| 1 | 2 | T | | 12.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 2 | 15075 Eleven Mile Rd., Roseville, MI | MACOMB | 5867793600 |
License history
| Date | File or call sign | Action |
|---|
| 2013-01-03 | WRT991 | LICAN |
| 2005-04-20 | WRT991 | LIREN |
| 2005-04-19 | WRT991 | ESCAPR |
| 2005-04-19 | WRT991 | LTSFRN |
| 2005-03-21 | WRT991 | LETRES |
| 2001-10-22 | WRT991 | AUDOPR |
| 2000-11-23 | WRT991 | LICCNV |
| 2000-03-06 | WRT991 | LIREN |
| 2000-03-06 | WRT991 | AUTHPR |
| 2000-01-21 | WRT991 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1762163 | 2026-08-02 01:11:31 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRT991 | ULS 1762163 | 2026-08-02 01:11:31 |
| Status | C | ULS 1762163 | 2026-08-02 01:11:31 |
| Service | IG | ULS 1762163 | 2026-08-02 01:11:31 |
| Grant Date | 2005-04-20 | ULS 1762163 | 2026-08-02 01:11:31 |
| Expiration Date | 2015-04-24 | ULS 1762163 | 2026-08-02 01:11:31 |
| Cancellation Date | 2013-01-02 | ULS 1762163 | 2026-08-02 01:11:31 |