Universal Licensing System
WLL643
GTT Americas LLC
License details
| ULS identifier | 994009 |
|---|
| Call sign | WLL643 |
|---|
| Radio service | CF |
|---|
| Status | E |
|---|
| Grant date | 2011-03-15 |
|---|
| Expiration | 2021-02-01 |
|---|
| Cancellation | 2021-04-03 |
|---|
| Frequency range | 6123.1 - 17935 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | TUCSON, PIMA, AZ |
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| Coordinates | 32.2421667, -110.9756944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:35 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 17935.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6123.10000000 | | 29M7F8W |
| 1 | 2 | 17935.00000000 | | 10M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 10TH & ELM, TUCSON, PIMA, AZ | 32.24216667, -110.97569444 | 717.300 m | BANT | 7.600 m structure / 8.800 m overall | N |
| 2 | R | | 32.41561111, -110.71425000 | 2605.400 m | | | |
| 3 | R | | 32.24900000, -111.11680556 | 1277.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 41.0000 | 51.9000 | | |
| 1 | 2 | R | | | | | | | |
| 1 | 3 | R | ANDREW CORPORATION VHLP2-18B | | | 38.9000 | 0.0000 | | |
| 2 | 1 | T | ANDREW CORPORATION VHLP2-18B | | V | 38.9000 | 273.3000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-04-03 | WLL643 | LIEXP |
| 2020-11-09 | WLL643 | LETRES |
| 2016-10-29 | WLL643 | LIAUA |
| 2016-09-02 | WLL643 | LIASS |
| 2016-07-20 | WLL643 | ESUAPR |
| 2015-12-02 | WLL643 | LIAUA |
| 2015-12-01 | WLL643 | ESUAPR |
| 2015-10-14 | WLL643 | ESUAPR |
| 2015-09-01 | WLL643 | LIASS |
| 2014-10-01 | WLL643 | LITRAN |
| 2014-09-26 | WLL643 | ESUAPR |
| 2014-09-25 | WLL643 | ESUAPR |
| 2014-09-24 | WLL643 | ESUAPR |
| 2013-05-15 | WLL643 | ESCAPR |
| 2013-05-14 | WLL643 | LITRAN |
| 2013-05-14 | WLL643 | EFUAPR |
| 2013-05-09 | WLL643 | ESUAPR |
| 2011-03-24 | WLL643 | AUTHPR |
| 2011-03-15 | WLL643 | LIREN |
| 2011-01-19 | WLL643 | ESUAPR |
| 2011-01-14 | WLL643 | LIMOD |
| 2010-11-08 | WLL643 | LETRES |
| 2010-08-18 | WLL643 | LITRAN |
| 2010-08-13 | WLL643 | ESUAPR |
| 2009-05-30 | WLL643 | LIAUA |
| 2009-05-29 | WLL643 | ESCAPR |
| 2008-08-06 | WLL643 | LIAUA |
| 2008-08-05 | WLL643 | ESCAPR |
| 2007-01-22 | WLL643 | LITRAN |
| 2006-07-26 | WLL643 | LITRAN |
| 2001-09-25 | WLL643 | LITRAN |
| 2001-02-27 | WLL643 | LIREN |
| 2001-01-31 | WLL643 | LIAUA |
| 2000-12-09 | WLL643 | LITRAN |
| 2000-11-13 | WLL643 | LETRES |
| 2000-06-23 | WLL643 | LITRAN |
| 1999-08-14 | WLL643 | LICCNV |
| 1999-03-02 | WLL643 | LIASS |
| 1999-02-11 | WLL643 | LITRAN |
| 1991-04-01 | WLL643 | LIREN |
| 1990-10-01 | WLL643 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 994009 | 2026-08-02 02:47:35 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLL643 | ULS 994009 | 2026-08-02 02:47:35 |
| Status | E | ULS 994009 | 2026-08-02 02:47:35 |
| Service | CF | ULS 994009 | 2026-08-02 02:47:35 |
| Grant Date | 2011-03-15 | ULS 994009 | 2026-08-02 02:47:35 |
| Expiration Date | 2021-02-01 | ULS 994009 | 2026-08-02 02:47:35 |
| Cancellation Date | 2021-04-03 | ULS 994009 | 2026-08-02 02:47:35 |