Universal Licensing System
WPIA574
AMS Spectrum Holdings, LLC
License details
| ULS identifier | 1134787 |
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| Call sign | WPIA574 |
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| Radio service | GS |
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| Status | A |
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| Grant date | 2020-08-04 |
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| Expiration | 2030-08-10 |
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| Frequency range | 929.8875 MHz |
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| Locations | 1 |
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| Representative location | SAN LUIS OBISPO, SAN LUIS OBISPO, CA |
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| Coordinates | 35.1069167, -120.5168333 |
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| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-16 01:10:07 |
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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 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 929.88750000 | | 20K0F1D |
| 1 | 1 | 929.88750000 | | 20K0F3E |
| 1 | 1 | 929.88750000 | | 20K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2130 HWY 101 ARROYO GRANDA, SAN LUIS OBISPO, SAN LUIS OBISPO, CA | 35.10691667, -120.51683333 | 381.000 m | TOWER | 30.000 m structure | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 34.000 m | | | | 242.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1800 W PARK DR STE 250, WESTBOROUGH, MA | | 5088706700 |
License history
| Date | File or call sign | Action |
|---|
| 2026-07-17 | WPIA574 | LIAUA |
| 2022-03-29 | WPIA574 | LIAUA |
| 2020-08-04 | WPIA574 | LIREN |
| 2020-05-18 | WPIA574 | LETRES |
| 2015-12-04 | WPIA574 | LIAUA |
| 2015-12-03 | WPIA574 | ESUAPR |
| 2013-04-20 | WPIA574 | LIAUA |
| 2013-04-19 | WPIA574 | ESUAPR |
| 2011-03-24 | WPIA574 | AUTHPR |
| 2010-09-28 | WPIA574 | LIREN |
| 2010-05-17 | WPIA574 | LETRES |
| 2009-11-24 | WPIA574 | LIASS |
| 2009-11-13 | WPIA574 | ESUAPR |
| 2007-06-27 | WPIA574 | LIAUA |
| 2007-06-27 | WPIA574 | ESUAPR |
| 2007-06-19 | WPIA574 | LIASS |
| 2007-02-01 | WPIA574 | LITRAN |
| 2006-06-02 | WPIA574 | LITRAN |
| 2004-11-18 | WPIA574 | COR |
| 2004-11-18 | WPIA574 | AUDEX |
| 2004-09-28 | WPIA574 | LETAUS |
| 2004-01-30 | WPIA574 | LIAUA |
| 2002-06-03 | WPIA574 | LITRAN |
| 2001-12-06 | WPIA574 | LITRAN |
| 2000-11-04 | WPIA574 | LIAUA |
| 2000-09-15 | WPIA574 | LICCNV |
| 2000-07-25 | WPIA574 | LIREN |
| 2000-07-25 | WPIA574 | AUTHPR |
| 2000-05-09 | WPIA574 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1134787 | 2026-08-16 01:10:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPIA574 | ULS 1134787 | 2026-08-16 01:10:07 |
| Status | A | ULS 1134787 | 2026-08-16 01:10:07 |
| Service | GS | ULS 1134787 | 2026-08-16 01:10:07 |
| Grant Date | 2020-08-04 | ULS 1134787 | 2026-08-16 01:10:07 |
| Expiration Date | 2030-08-10 | ULS 1134787 | 2026-08-16 01:10:07 |