Universal Licensing System
WPMP423
Ameritech Mobile Services, Inc.
License details
| ULS identifier | 1138018 |
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| Call sign | WPMP423 |
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| Radio service | GS |
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| Status | C |
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| Grant date | 1998-06-15 |
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| Expiration | 2008-06-15 |
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| Cancellation | 2005-02-18 |
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| Frequency range | 929.3375 MHz |
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| Locations | 4 |
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| Representative location | CARRIZO SPRINGS, DIMMIT, TX |
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| Coordinates | 28.5102500, -99.8764444 |
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| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-16 01:09:14 |
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Licensee
| Name | Ameritech Mobile Services, Inc. |
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| Applicant type | C |
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| FRN | 0002844280 |
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| Location | Hoffman Estates, IL |
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| Address | 2000 West Ameritech Center Drive Location 2G90, Hoffman Estates, IL, 60196 |
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| Phone | 8472484329 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6C | 929.33750000 | | | 250.000000 | 1000.000000 | |
| 2 | 1 | FB6C | 929.33750000 | | | 250.000000 | 1000.000000 | |
| 3 | 1 | FB6C | 929.33750000 | | | 250.000000 | 1000.000000 | |
| 4 | 1 | FB6C | 929.33750000 | | | 250.000000 | 1000.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 929.33750000 | | 20K0F1D |
| 1 | 1 | 929.33750000 | | 20K0F3E |
| 2 | 1 | 929.33750000 | | 20K0F1D |
| 2 | 1 | 929.33750000 | | 20K0F3E |
| 3 | 1 | 929.33750000 | | 20K0F3E |
| 3 | 1 | 929.33750000 | | 20K0F1D |
| 4 | 1 | 929.33750000 | | 20K0F1D |
| 4 | 1 | 929.33750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 750' WNW FM 186 & 2367, CARRIZO SPRINGS, DIMMIT, TX | 28.51025000, -99.87644444 | 199.000 m | TOWER | 140.000 m structure / 140.000 m overall | N |
| 2 | T | 14231 TAMDEN RD, AUSTIN, TRAVIS, TX | 30.44713889, -97.69277778 | 261.000 m | B | 17.000 m structure / 17.000 m overall | N |
| 3 | T | 1122 COLORADO ST, AUSTIN, TRAVIS, TX | 30.27408333, -97.74277778 | 162.000 m | B | 78.000 m structure / 81.000 m overall | N |
| 4 | T | 4917 RAVENSWOOD, SAN ANTONIO, BEXAR, TX | 29.38244444, -98.64780556 | 224.000 m | B | 62.000 m structure / 66.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 137.000 m | | | | 148.000 | |
| 1 | 2 | T | | 17.000 m | | | | 53.000 | |
| 1 | 3 | T | | 81.000 m | | | | 52.000 | |
| 1 | 4 | T | | 66.000 m | | | | 75.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | 400 KELBY ST 8TH FLR, FORT LEE, NJ | | 7177616749 |
License history
| Date | File or call sign | Action |
|---|
| 2005-02-23 | WPMP423 | PNACT |
| 2005-02-19 | WPMP423 | LETCAS |
| 2005-02-18 | WPMP423 | AUDCAN |
| 2004-12-07 | WPMP423 | LETAFU |
| 2004-09-28 | WPMP423 | LETAUS |
| 2004-09-23 | WPMP423 | LIAUA |
| 2004-09-23 | WPMP423 | LTSAPR |
| 2004-04-01 | WPMP423 | LIASS |
| 2003-05-28 | WPMP423 | LIASS |
| 2003-04-26 | WPMP423 | LITRAN |
| 2001-08-31 | WPMP423 | LIASS |
| 2000-09-15 | WPMP423 | LICCNV |
| 2000-09-15 | WPMP423 | COR |
| 2000-05-16 | WPMP423 | LITRAN |
| 1999-12-08 | WPMP423 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1138018 | 2026-08-16 01:09:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPMP423 | ULS 1138018 | 2026-08-16 01:09:14 |
| Status | C | ULS 1138018 | 2026-08-16 01:09:14 |
| Service | GS | ULS 1138018 | 2026-08-16 01:09:14 |
| Grant Date | 1998-06-15 | ULS 1138018 | 2026-08-16 01:09:14 |
| Expiration Date | 2008-06-15 | ULS 1138018 | 2026-08-16 01:09:14 |
| Cancellation Date | 2005-02-18 | ULS 1138018 | 2026-08-16 01:09:14 |