Universal Licensing System
WPKJ540
AMS Spectrum Holdings, LLC
License details
| ULS identifier | 1137212 |
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| Call sign | WPKJ540 |
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| Radio service | GS |
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| Status | A |
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| Grant date | 2017-03-28 |
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| Expiration | 2027-03-12 |
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| Frequency range | 929.8875 MHz |
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| Locations | 1 |
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| Representative location | TUCSON, PIMA, AZ |
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| Coordinates | 32.2398056, -110.8553611 |
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| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-02 00:44:11 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6C | 929.88750000 | | | 300.000000 | 1000.000000 | |
| 2 | 1 | FB6C | 929.88750000 | | | 300.000000 | 1000.000000 | |
| 3 | 1 | FB6C | 929.88750000 | | | 300.000000 | 1000.000000 | |
| 4 | 1 | FB6C | 929.88750000 | | | 300.000000 | 1000.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 929.88750000 | | 20K0F1D |
| 1 | 1 | 929.88750000 | | 20K0F3E |
| 2 | 1 | 929.88750000 | | 20K0F1D |
| 2 | 1 | 929.88750000 | | 20K0F3E |
| 3 | 1 | 929.88750000 | | 20K0F1D |
| 3 | 1 | 929.88750000 | | 20K0F3E |
| 4 | 1 | 929.88750000 | | 20K0F1D |
| 4 | 1 | 929.88750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | TUMOMOC 4, TUCSON, PIMA, AZ | 32.21230556, -111.00591667 | 930.000 m | TOWER | 8.000 m structure / 10.000 m overall | N |
| 2 | T | ELDORADO HOSP 1400 N, TUCSON, PIMA, AZ | 32.23980556, -110.85536111 | 774.000 m | B | 36.000 m structure / 39.000 m overall | N |
| 3 | T | 365 SHORT ST, SIERRA VISTA, COCHISE, AZ | 31.55563889, -110.29536111 | 1402.000 m | TOWER | 20.000 m structure / 26.000 m overall | N |
| 4 | T | ATOP HILL 350 FT N, NOGALES, SANTA CRUZ, AZ | 31.33344444, -110.93508333 | 1224.000 m | TOWER | 5.000 m structure / 11.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.000 m | | | | 161.000 | |
| 1 | 2 | T | | 39.000 m | | | | -57.000 | |
| 1 | 3 | T | | 23.000 m | | | | -59.000 | |
| 1 | 4 | T | | 7.000 m | | | | 39.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1800 W PARK DR STE 250, WESTBOROUGH, MA | | 5088706700 |
License history
| Date | File or call sign | Action |
|---|
| 2026-07-21 | WPKJ540 | LIAUA |
| 2022-03-29 | WPKJ540 | LIAUA |
| 2017-03-28 | WPKJ540 | LIREN |
| 2016-12-19 | WPKJ540 | LETRES |
| 2015-12-04 | WPKJ540 | LIAUA |
| 2015-12-03 | WPKJ540 | ESUAPR |
| 2013-04-20 | WPKJ540 | LIAUA |
| 2013-04-19 | WPKJ540 | ESUAPR |
| 2009-11-24 | WPKJ540 | LIASS |
| 2009-11-13 | WPKJ540 | ESUAPR |
| 2007-06-27 | WPKJ540 | LIAUA |
| 2007-06-27 | WPKJ540 | ESUAPR |
| 2007-06-19 | WPKJ540 | LIASS |
| 2007-04-17 | WPKJ540 | LIREN |
| 2007-03-09 | WPKJ540 | ESUAPR |
| 2007-02-01 | WPKJ540 | LITRAN |
| 2006-12-18 | WPKJ540 | LETRES |
| 2006-06-02 | WPKJ540 | LITRAN |
| 2004-11-18 | WPKJ540 | COR |
| 2004-11-18 | WPKJ540 | AUDEX |
| 2004-09-28 | WPKJ540 | LETAUS |
| 2004-01-30 | WPKJ540 | LIAUA |
| 2002-06-03 | WPKJ540 | LITRAN |
| 2001-12-06 | WPKJ540 | LITRAN |
| 2000-11-04 | WPKJ540 | LIAUA |
| 2000-09-15 | WPKJ540 | LICCNV |
| 2000-07-24 | WPKJ540 | AUTHPR |
| 2000-04-25 | WPKJ540 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1137212 | 2026-08-02 00:44:11 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKJ540 | ULS 1137212 | 2026-08-02 00:44:11 |
| Status | A | ULS 1137212 | 2026-08-02 00:44:11 |
| Service | GS | ULS 1137212 | 2026-08-02 00:44:11 |
| Grant Date | 2017-03-28 | ULS 1137212 | 2026-08-02 00:44:11 |
| Expiration Date | 2027-03-12 | ULS 1137212 | 2026-08-02 00:44:11 |