Universal Licensing System
WPKN457
TRANSERV
License details
| ULS identifier | 1588747 |
|---|
| Call sign | WPKN457 |
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| Radio service | GU |
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| Status | E |
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| Grant date | 1997-05-12 |
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| Expiration | 2002-05-12 |
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| Cancellation | 2002-09-15 |
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| Frequency range | 899.2375 - 938.6875 MHz (4 frequencies) |
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| Locations | 5 |
|---|
| Representative location | NOVI, OAKLAND, MI |
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| Coordinates | 42.4866944, -83.4968889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:27 |
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Licensee
| Name | TRANSERV |
|---|
| Applicant type | C |
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| Location | SOUTHFIELD, MI |
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| Address | 20905 MAPLERIDGE STE 1000, SOUTHFIELD, MI, 48075 |
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| Phone | 8108271160 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FX1 | 899.23750000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 899.23750000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 899.23750000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FX1 | 899.68750000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 899.68750000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 899.68750000 | | | 30.000000 | 30.000000 | |
| 1 | 1 | FB2C | 938.23750000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | FB2C | 938.23750000 | | | 100.000000 | 250.000000 | |
| 4 | 1 | MO | 938.23750000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 938.23750000 | | | 30.000000 | 30.000000 | |
| 1 | 1 | FB2C | 938.68750000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | FB2C | 938.68750000 | | | 100.000000 | 250.000000 | |
| 4 | 1 | MO | 938.68750000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 938.68750000 | | | 30.000000 | 30.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 899.23750000 | | 13K6F3E |
| 4 | 1 | 899.23750000 | | 13K6F3E |
| 5 | 1 | 899.23750000 | | 13K6F3E |
| 3 | 1 | 899.68750000 | | 13K6F3E |
| 4 | 1 | 899.68750000 | | 13K6F3E |
| 5 | 1 | 899.68750000 | | 13K6F3E |
| 1 | 1 | 938.23750000 | | 13K6F3E |
| 2 | 1 | 938.23750000 | | 13K6F3E |
| 4 | 1 | 938.23750000 | | 13K6F3E |
| 5 | 1 | 938.23750000 | | 13K6F3E |
| 1 | 1 | 938.68750000 | | 13K6F3E |
| 2 | 1 | 938.68750000 | | 13K6F3E |
| 4 | 1 | 938.68750000 | | 13K6F3E |
| 5 | 1 | 938.68750000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | GRAND RIVER & TAFT RD, NOVI, OAKLAND, MI | 42.48669444, -83.49688889 | 290.000 m | TOWER | 122.000 m structure / 122.000 m overall | N |
| 2 | T | GREENFIELD & 10 MI RDS, OAK PARK, OAKLAND, MI | 42.47113889, -83.20075000 | 206.000 m | TOWER | 243.000 m structure / 243.000 m overall | N |
| 3 | T | MI | | | | | |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 122.000 m | | | | 249.000 | |
| 1 | 2 | T | | 243.000 m | | | | 213.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 20905 MAPLERIDGE STE 1000, SOUTHFIELD, MI | | 8108271160 |
License history
| Date | File or call sign | Action |
|---|
| 2002-09-15 | WPKN457 | LIEXP |
| 2002-02-19 | WPKN457 | LETRES |
| 2000-11-22 | WPKN457 | LICCNV |
| 1999-12-29 | WPKN457 | AUTHPR |
| 1999-12-29 | WPKN457 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1588747 | 2026-08-02 01:27:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKN457 | ULS 1588747 | 2026-08-02 01:27:27 |
| Status | E | ULS 1588747 | 2026-08-02 01:27:27 |
| Service | GU | ULS 1588747 | 2026-08-02 01:27:27 |
| Grant Date | 1997-05-12 | ULS 1588747 | 2026-08-02 01:27:27 |
| Expiration Date | 2002-05-12 | ULS 1588747 | 2026-08-02 01:27:27 |
| Cancellation Date | 2002-09-15 | ULS 1588747 | 2026-08-02 01:27:27 |