Universal Licensing System
WRFM572
Clearwire Spectrum Holdings III LLC
License details
| ULS identifier | 4267441 |
|---|
| Call sign | WRFM572 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2020-03-30 |
|---|
| Expiration | 2030-03-30 |
|---|
| Cancellation | 2021-08-24 |
|---|
| Frequency range | 23275 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Chicago, COOK, IL |
|---|
| Coordinates | 41.9006389, -87.6477500 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:44:54 |
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Licensee
| Name | Clearwire Spectrum Holdings III LLC |
|---|
| Applicant type | L |
|---|
| FRN | 0018399998 |
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| Location | Reston, VA |
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| Address | 12502 Sunrise Valley Drive, M/S: VARESA0209, Reston, VA, 20196 |
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| Phone | 8005728256 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 2 | FXO | 23275.00000000 | | | | | |
| 1 | 2 | FXO | 23275.00000000 | | | | | |
| 1 | 2 | FXO | 23275.00000000 | | | | | |
| 1 | 2 | FXO | 23275.00000000 | | | | | |
| 1 | 2 | FXO | 23275.00000000 | | | | | |
| 1 | 2 | FXO | 23275.00000000 | | | | | |
| 1 | 2 | FXO | 23275.00000000 | | | | | |
| 1 | 2 | FXO | 23275.00000000 | | | | | |
| 1 | 2 | FXO | 23275.00000000 | | | | | |
| 1 | 2 | FXO | 23275.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0G7W |
| 1 | 2 | 23275.00000000 | | 50M0D7W |
| 1 | 2 | 23275.00000000 | | 50M0D7W |
| 1 | 2 | 23275.00000000 | | 50M0D7W |
| 1 | 2 | 23275.00000000 | | 50M0D7W |
| 1 | 2 | 23275.00000000 | | 50M0D7W |
| 1 | 2 | 23275.00000000 | | 50M0D7W |
| 1 | 2 | 23275.00000000 | | 50M0D7W |
| 1 | 2 | 23275.00000000 | | 50M0D7W |
| 1 | 2 | 23275.00000000 | | 50M0D7W |
| 1 | 2 | 23275.00000000 | | 50M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1005 N. Halsted Ave., Chicago, COOK, IL | 41.90063889, -87.64775000 | 181.400 m | BANT | 32.900 m structure / 35.900 m overall | |
| 2 | R | | 41.89188889, -87.66188889 | 181.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SB1-220CIPN | | H | 35.8000 | 230.4000 | | |
| 1 | 2 | R | RFS SB1-220CIPN | | | 35.8000 | 0.0000 | | |
| 2 | 1 | T | RFS SB1-220CIPN | | V | 35.8000 | 230.4000 | | |
| 2 | 2 | R | RFS SB1-220CIPN | | | 35.8000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-08-25 | WRFM572 | LICAN |
| 2021-06-29 | WRFM572 | LETCNS |
| 2020-06-30 | WRFM572 | LITRAN |
| 2020-03-30 | WRFM572 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4267441 | 2026-08-02 02:44:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFM572 | ULS 4267441 | 2026-08-02 02:44:54 |
| Status | C | ULS 4267441 | 2026-08-02 02:44:54 |
| Service | CF | ULS 4267441 | 2026-08-02 02:44:54 |
| Grant Date | 2020-03-30 | ULS 4267441 | 2026-08-02 02:44:54 |
| Expiration Date | 2030-03-30 | ULS 4267441 | 2026-08-02 02:44:54 |
| Cancellation Date | 2021-08-24 | ULS 4267441 | 2026-08-02 02:44:54 |