Universal Licensing System
WPOP228
TTWN Networks, LLC
License details
| ULS identifier | 1047139 |
|---|
| Call sign | WPOP228 |
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| Radio service | MG |
|---|
| Status | C |
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| Grant date | 2008-07-30 |
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| Expiration | 2018-08-10 |
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| Cancellation | 2017-12-15 |
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| Frequency range | 21825 - 22275 MHz (4 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.9833611, -87.8597778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:11 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 2 | FXO | 21925.00000000 | | | | | |
| 1 | 3 | FXO | 22125.00000000 | | | | | |
| 1 | 4 | FXO | 22275.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21825.00000000 | | 33M8F8W |
| 1 | 2 | 21925.00000000 | | 33M8F8W |
| 1 | 3 | 22125.00000000 | | 33M8F8W |
| 1 | 4 | 22275.00000000 | | 33M8F8W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5440 N RIVER RD, CHICAGO, COOK, IL | 41.98336111, -87.85977778 | 192.000 m | | 61.000 m structure / 61.900 m overall | |
| 2 | R | | 41.88669444, -87.63058333 | 192.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 49.9000 | 119.4000 | | |
| 1 | 2 | R | | | | 49.9000 | | | |
| 2 | 1 | T | | | V | 49.9000 | 119.4000 | | |
| 2 | 2 | R | | | | 49.9000 | | | |
| 3 | 1 | T | | | V | 49.9000 | 119.4000 | | |
| 3 | 2 | R | | | | 49.9000 | | | |
| 4 | 1 | T | | | H | 49.9000 | 119.4000 | | |
| 4 | 2 | R | | | | 49.9000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2017-12-16 | WPOP228 | LICAN |
| 2017-08-23 | WPOP228 | LIAUA |
| 2016-05-03 | WPOP228 | LIAUA |
| 2016-05-02 | WPOP228 | ESCAPR |
| 2015-07-02 | WPOP228 | LITRAN |
| 2015-06-19 | WPOP228 | ESUAPR |
| 2011-07-13 | WPOP228 | LITRAN |
| 2011-07-13 | WPOP228 | LTSAPR |
| 2011-05-30 | WPOP228 | LTSAPR |
| 2011-05-28 | WPOP228 | LIAUA |
| 2011-04-29 | WPOP228 | LIASS |
| 2011-04-29 | WPOP228 | ESUAPR |
| 2010-06-15 | WPOP228 | LIASS |
| 2010-06-05 | WPOP228 | ESCAPR |
| 2010-06-04 | WPOP228 | EFUAPR |
| 2010-06-04 | WPOP228 | ESUAPR |
| 2009-04-23 | WPOP228 | LITRAN |
| 2009-04-15 | WPOP228 | ESUAPR |
| 2008-07-30 | WPOP228 | LIREN |
| 2008-07-29 | WPOP228 | ESUAPR |
| 2008-05-19 | WPOP228 | LETRES |
| 2001-08-25 | WPOP228 | LIAUA |
| 2001-04-25 | WPOP228 | LIAUA |
| 2001-04-07 | WPOP228 | LIAUA |
| 2001-01-01 | WPOP228 | LIASS |
| 1999-08-14 | WPOP228 | LICCNV |
| 1998-08-10 | WPOP228 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1047139 | 2026-08-02 02:43:11 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPOP228 | ULS 1047139 | 2026-08-02 02:43:11 |
| Status | C | ULS 1047139 | 2026-08-02 02:43:11 |
| Service | MG | ULS 1047139 | 2026-08-02 02:43:11 |
| Grant Date | 2008-07-30 | ULS 1047139 | 2026-08-02 02:43:11 |
| Expiration Date | 2018-08-10 | ULS 1047139 | 2026-08-02 02:43:11 |
| Cancellation Date | 2017-12-15 | ULS 1047139 | 2026-08-02 02:43:11 |