Universal Licensing System
WPWW452
TELECOM RELAY SERVICES, INC
License details
| ULS identifier | 2481770 |
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| Call sign | WPWW452 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2012-11-20 |
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| Expiration | 2023-01-29 |
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| Cancellation | 2023-01-04 |
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| Frequency range | 471.425 - 474.425 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | VALPARAISO, PORTER, IN |
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| Coordinates | 41.5425278, -87.0375278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-16 06:50:01 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 471.42500000 | | | 100.000000 | 50.000000 | |
| 2 | 1 | MO | 474.42500000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 471.42500000 | | 11K2F3E |
| 2 | 1 | 474.42500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 748 N CALUMET AVE, VALPARAISO, PORTER, IN | 41.54252778, -87.03752778 | 264.000 m | UPOLE | 91.000 m structure / 97.000 m overall | |
| 2 | T | | 41.54252778, -87.03752778 | 0.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 30.000 m | V | 3.0000 | 360.0000 | 69.000 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 710 W JEFFERSON ST, JOLOIET, IL | WILL | 8157401780 |
License history
| Date | File or call sign | Action |
|---|
| 2023-01-05 | WPWW452 | LICAN |
| 2022-11-07 | WPWW452 | LETRES |
| 2020-09-26 | WPWW452 | LIAUA |
| 2012-11-20 | WPWW452 | LIREN |
| 2012-11-05 | WPWW452 | LETRES |
| 2003-10-27 | WPWW452 | LETCNS |
| 2003-01-29 | WPWW452 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2481770 | 2026-08-16 06:50:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWW452 | ULS 2481770 | 2026-08-16 06:50:01 |
| Status | C | ULS 2481770 | 2026-08-16 06:50:01 |
| Service | IG | ULS 2481770 | 2026-08-16 06:50:01 |
| Grant Date | 2012-11-20 | ULS 2481770 | 2026-08-16 06:50:01 |
| Expiration Date | 2023-01-29 | ULS 2481770 | 2026-08-16 06:50:01 |
| Cancellation Date | 2023-01-04 | ULS 2481770 | 2026-08-16 06:50:01 |