Universal Licensing System
WRTF540
ISP Management, Inc.
License details
| ULS identifier | 4620235 |
|---|
| Call sign | WRTF540 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2022-06-10 |
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| Expiration | 2032-06-10 |
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| Frequency range | 10915 MHz |
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| Locations | 2 |
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| Representative location | COLEMAN, MIDLAND, MI |
|---|
| Coordinates | 43.8108333, -84.4638889 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:28 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10915.00000000 | | | | | |
| 1 | 1 | FXO | 10915.00000000 | | | | | |
| 1 | 1 | FXO | 10915.00000000 | | | | | |
| 1 | 1 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10915.00000000 | | 79M6D7D |
| 1 | 1 | 10915.00000000 | | 79M6D7D |
| 1 | 1 | 10915.00000000 | | 79M6D7D |
| 1 | 1 | 10915.00000000 | | 79M6D7D |
| 1 | 2 | 10915.00000000 | | 79M6D7D |
| 1 | 2 | 10915.00000000 | | 79M6D7D |
| 1 | 2 | 10915.00000000 | | 79M6D7D |
| 1 | 2 | 10915.00000000 | | 79M6D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 6900 N ELEVEN MILE RD, COLEMAN, MIDLAND, MI | 43.81083333, -84.46388889 | 216.000 m | LTOWER | 121.000 m structure / 121.000 m overall | |
| 2 | R | | 43.75883333, -84.58380556 | 229.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Ubiquiti Networks, Inc. AF-11G35 | | V | 35.0000 | 239.0000 | | |
| 1 | 2 | R | Ubiquiti Networks, Inc. AF-11G35 | | | 35.0000 | | | |
| 2 | 1 | T | Ubiquiti Networks, Inc. AF-11G35 | | H | 35.0000 | 239.0000 | | |
| 2 | 2 | R | Ubiquiti Networks, Inc. AF-11G35 | | | 35.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-06-10 | WRTF540 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4620235 | 2026-08-02 02:45:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRTF540 | ULS 4620235 | 2026-08-02 02:45:28 |
| Status | A | ULS 4620235 | 2026-08-02 02:45:28 |
| Service | MG | ULS 4620235 | 2026-08-02 02:45:28 |
| Grant Date | 2022-06-10 | ULS 4620235 | 2026-08-02 02:45:28 |
| Expiration Date | 2032-06-10 | ULS 4620235 | 2026-08-02 02:45:28 |