Universal Licensing System
WPOR581
Michigan Bell Telephone Company, LLC
License details
| ULS identifier | 1049019 |
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| Call sign | WPOR581 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2019-02-05 |
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| Expiration | 2029-02-12 |
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| Frequency range | 6605 MHz |
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| Locations | 2 |
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| Representative location | SELKIRK, OGEMAW, MI |
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| Coordinates | 44.3483889, -84.0203333 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:45 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6605.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6605.00000000 | | 5M00D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1100 FT E OF PETTIT RD 200 FT S OF TWIN LAKE RD, SELKIRK, OGEMAW, MI | 44.34838889, -84.02033333 | 274.900 m | LTOWER | 42.700 m structure / 44.200 m overall | N |
| 2 | R | | 44.29941667, -84.12455556 | 301.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope PAR6-65A LF | | V | 38.8000 | 236.8000 | | |
| 1 | 2 | R | Commscope PAR6-65A LF | | | 38.8000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-26 | WPOR581 | LIAUA |
| 2024-12-31 | WPOR581 | LIASS |
| 2024-07-20 | WPOR581 | LITRAN |
| 2024-01-20 | WPOR581 | LIAUA |
| 2023-01-14 | WPOR581 | LIAUA |
| 2021-02-28 | WPOR581 | LITRAN |
| 2019-02-05 | WPOR581 | LIREN |
| 2018-11-19 | WPOR581 | LETRES |
| 2018-09-18 | WPOR581 | LIAUA |
| 2018-03-14 | WPOR581 | LIMOD |
| 2013-04-18 | WPOR581 | LIAUA |
| 2013-04-17 | WPOR581 | ESUAPR |
| 2013-01-25 | WPOR581 | LIAUA |
| 2013-01-24 | WPOR581 | ESUAPR |
| 2011-09-01 | WPOR581 | LIAUA |
| 2011-08-31 | WPOR581 | ESUAPR |
| 2010-12-09 | WPOR581 | LIAUA |
| 2010-12-08 | WPOR581 | ESCAPR |
| 2010-12-08 | WPOR581 | ESUAPR |
| 2010-12-08 | WPOR581 | LIAUA |
| 2010-12-07 | WPOR581 | EFUAPR |
| 2010-12-07 | WPOR581 | ESUAPR |
| 2009-03-03 | WPOR581 | LIREN |
| 2009-01-15 | WPOR581 | ESUAPR |
| 2008-11-17 | WPOR581 | LETRES |
| 2004-10-01 | WPOR581 | LIAUA |
| 2004-09-30 | WPOR581 | ESCAPR |
| 2001-09-19 | WPOR581 | LIAUA |
| 2000-10-03 | WPOR581 | LIAUA |
| 2000-07-11 | WPOR581 | LIAUA |
| 2000-07-06 | WPOR581 | LIAUA |
| 2000-07-04 | WPOR581 | LIAUA |
| 1999-10-08 | WPOR581 | LITRAN |
| 1999-08-14 | WPOR581 | LICCNV |
| 1998-12-31 | WPOR581 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1049019 | 2026-08-02 02:45:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPOR581 | ULS 1049019 | 2026-08-02 02:45:45 |
| Status | A | ULS 1049019 | 2026-08-02 02:45:45 |
| Service | CF | ULS 1049019 | 2026-08-02 02:45:45 |
| Grant Date | 2019-02-05 | ULS 1049019 | 2026-08-02 02:45:45 |
| Expiration Date | 2029-02-12 | ULS 1049019 | 2026-08-02 02:45:45 |