Universal Licensing System
WQLK421
Clearwire Spectrum Holdings III LLC
License details
| ULS identifier | 3170241 |
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| Call sign | WQLK421 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2010-02-22 |
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| Expiration | 2020-02-22 |
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| Cancellation | 2019-11-04 |
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| Frequency range | 18015 - 23225 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | PARK RIDGE, COOK, IL |
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| Coordinates | 42.0237778, -87.8556111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:04 |
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Licensee
| Name | Clearwire Spectrum Holdings III LLC |
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| Applicant type | L |
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| 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 | 18015.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 3 | FXO | 23075.00000000 | | | | | |
| 1 | 3 | FXO | 23225.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 18015.00000000 | | 45M8D7W |
| 1 | 1 | 18115.00000000 | | 45M8D7W |
| 1 | 3 | 23075.00000000 | | 47M1D7W |
| 1 | 3 | 23225.00000000 | | 47M1D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 930 N DEE ROAD, PARK RIDGE, COOK, IL | 42.02377778, -87.85561111 | 193.500 m | LTOWER | 45.200 m structure / 50.800 m overall | N |
| 2 | R | | 41.99961111, -87.88538889 | 194.800 m | | | |
| 4 | R | | 42.03361111, -87.87375000 | 193.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | DRAGONWAVE INC A-ANT-18G-2-C | | H | 38.6000 | 222.6000 | | |
| 1 | 2 | R | DRAGONWAVE INC A-ANT-18G-2-C | | | 38.6000 | 0.0000 | | |
| 1 | 4 | R | Commscope VHLP1-23 | | | 35.3000 | 0.0000 | | |
| 3 | 1 | T | Commscope VHLP1-23 | | V | 35.3000 | 306.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2019-11-05 | WQLK421 | LICAN |
| 2018-05-31 | WQLK421 | LITRAN |
| 2016-10-05 | WQLK421 | LIAUA |
| 2016-08-26 | WQLK421 | LTSAPR |
| 2016-08-26 | WQLK421 | LIAUA |
| 2016-08-05 | WQLK421 | LTSAPR |
| 2015-04-14 | WQLK421 | LETCNS |
| 2014-01-14 | WQLK421 | LIMOD |
| 2013-09-30 | WQLK421 | ESUAPR |
| 2013-07-10 | WQLK421 | LITRAN |
| 2012-12-11 | WQLK421 | LITRAN |
| 2012-11-16 | WQLK421 | ESUAPR |
| 2012-09-25 | WQLK421 | LIAUA |
| 2012-09-24 | WQLK421 | ESUAPR |
| 2012-03-06 | WQLK421 | AUTHPR |
| 2012-03-04 | WQLK421 | FRATRM |
| 2012-03-04 | WQLK421 | ANATRM |
| 2012-03-04 | WQLK421 | PAATRM |
| 2012-03-04 | WQLK421 | LOATRM |
| 2011-12-28 | WQLK421 | PNLISR |
| 2011-12-28 | WQLK421 | LETTRS |
| 2011-08-23 | WQLK421 | LETCNS |
| 2011-05-24 | WQLK421 | LETCNS |
| 2010-05-19 | WQLK421 | LIMOD |
| 2010-03-13 | WQLK421 | LIAUA |
| 2010-03-12 | WQLK421 | ESUAPR |
| 2010-02-22 | WQLK421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3170241 | 2026-08-02 02:45:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQLK421 | ULS 3170241 | 2026-08-02 02:45:04 |
| Status | C | ULS 3170241 | 2026-08-02 02:45:04 |
| Service | CF | ULS 3170241 | 2026-08-02 02:45:04 |
| Grant Date | 2010-02-22 | ULS 3170241 | 2026-08-02 02:45:04 |
| Expiration Date | 2020-02-22 | ULS 3170241 | 2026-08-02 02:45:04 |
| Cancellation Date | 2019-11-04 | ULS 3170241 | 2026-08-02 02:45:04 |