Universal Licensing System
KLF644
License details
| ULS identifier | 7542 |
|---|---|
| Call sign | KLF644 |
| Radio service | CD |
| Status | A |
| Grant date | 2019-04-23 |
| Expiration | 2029-04-01 |
| Frequency range | 931.0625 - 931.7375 MHz (2 frequencies) |
| Locations | 19 |
| Representative location | SAN DIEGO, SAN DIEGO, CA |
| Coordinates | 32.5950556, -116.8450000 |
| Source archive | l_paging.zip |
| Dataset refreshed | 2026-08-02 02:52:22 |
Licensee
| Name | AMS Spectrum Holdings, LLC |
|---|---|
| Applicant type | L |
| FRN | 0019131390 |
| Location | Lewisville, TX |
| Address | 760 E. Main Street, Suite 107, Lewisville, TX, 75057 |
| Phone | 2142226491 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FBBS | 931.06250000 | 107.000000 | ||||
| 2 | 2 | FBBS | 931.06250000 | 506.000000 | ||||
| 3 | 4 | FBBS | 931.06250000 | 510.000000 | ||||
| 4 | 1 | FBBS | 931.06250000 | 1000.000000 | ||||
| 5 | 1 | FBBS | 931.06250000 | 740.000000 | ||||
| 6 | 1 | FBBS | 931.06250000 | 789.000000 | ||||
| 7 | 2 | FBBS | 931.06250000 | 785.000000 | ||||
| 8 | 1 | FBBS | 931.06250000 | 914.000000 | ||||
| 9 | 1 | FBBS | 931.06250000 | 160.000000 | ||||
| 11 | 1 | FBBS | 931.06250000 | 1410.000000 | ||||
| 12 | 1 | FBBS | 931.06250000 | 1000.000000 | ||||
| 13 | 2 | FBBS | 931.06250000 | 752.000000 | ||||
| 14 | 2 | FBBS | 931.06250000 | 738.000000 | ||||
| 15 | 1 | FBBS | 931.06250000 | 423.000000 | ||||
| 16 | 1 | FBBS | 931.06250000 | 914.000000 | ||||
| 23 | 1 | FBBS | 931.06250000 | 993.000000 | ||||
| 24 | 1 | FBBS | 931.06250000 | 859.000000 | ||||
| 25 | 1 | FBBS | 931.06250000 | 914.000000 | ||||
| 2 | 1 | FBBS | 931.73750000 | 506.000000 | ||||
| 3 | 2 | FBBS | 931.73750000 | 510.000000 | ||||
| 7 | 1 | FBBS | 931.73750000 | 785.000000 | ||||
| 14 | 1 | FBBS | 931.73750000 | 573.000000 | ||||
| 22 | 1 | FBBS | 931.73750000 | 3091.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 931.06250000 | 15K0F2D | |
| 1 | 1 | 931.06250000 | 16K0F1D | |
| 1 | 1 | 931.06250000 | 16K0F3E | |
| 2 | 2 | 931.06250000 | 16K0F3E | |
| 2 | 2 | 931.06250000 | 16K0F1D | |
| 2 | 2 | 931.06250000 | 15K0F2D | |
| 3 | 4 | 931.06250000 | 16K0F3E | |
| 3 | 4 | 931.06250000 | 15K0F2D | |
| 3 | 4 | 931.06250000 | 16K0F1D | |
| 4 | 1 | 931.06250000 | 15K0F2D | |
| 4 | 1 | 931.06250000 | 16K0F1D | |
| 4 | 1 | 931.06250000 | 16K0F3E | |
| 5 | 1 | 931.06250000 | 15K0F2D | |
| 5 | 1 | 931.06250000 | 16K0F3E | |
| 5 | 1 | 931.06250000 | 16K0F1D | |
| 6 | 1 | 931.06250000 | 15K0F2D | |
| 6 | 1 | 931.06250000 | 16K0F1D | |
| 6 | 1 | 931.06250000 | 16K0F3E | |
| 7 | 2 | 931.06250000 | 15K0F2D | |
| 7 | 2 | 931.06250000 | 16K0F3E | |
| 7 | 2 | 931.06250000 | 16K0F1D | |
| 8 | 1 | 931.06250000 | 16K0F3E | |
| 8 | 1 | 931.06250000 | 16K0F1D | |
| 8 | 1 | 931.06250000 | 15K0F2D | |
| 9 | 1 | 931.06250000 | 16K0F1D | |
| 9 | 1 | 931.06250000 | 16K0F3E | |
| 9 | 1 | 931.06250000 | 15K0F2D | |
| 11 | 1 | 931.06250000 | 15K0F2D | |
| 11 | 1 | 931.06250000 | 16K0F1D | |
| 11 | 1 | 931.06250000 | 16K0F3E | |
| 12 | 1 | 931.06250000 | 15K0F2D | |
| 12 | 1 | 931.06250000 | 16K0F3E | |
| 12 | 1 | 931.06250000 | 16K0F1D | |
| 13 | 2 | 931.06250000 | 15K0F2D | |
| 13 | 2 | 931.06250000 | 16K0F3E | |
| 13 | 2 | 931.06250000 | 16K0F1D | |
| 14 | 2 | 931.06250000 | 16K0F1D | |
| 14 | 2 | 931.06250000 | 16K0F3E | |
| 14 | 2 | 931.06250000 | 15K0F2D | |
| 15 | 1 | 931.06250000 | 16K0F1D | |
| 15 | 1 | 931.06250000 | 15K0F2D | |
| 15 | 1 | 931.06250000 | 16K0F3E | |
| 16 | 1 | 931.06250000 | 16K0F1D | |
| 16 | 1 | 931.06250000 | 15K0F2D | |
| 16 | 1 | 931.06250000 | 16K0F3E | |
| 23 | 1 | 931.06250000 | 16K0F3E | |
| 23 | 1 | 931.06250000 | 16K0F1D | |
| 23 | 1 | 931.06250000 | 15K0F2D | |
| 24 | 1 | 931.06250000 | 15K0F2D | |
| 24 | 1 | 931.06250000 | 16K0F1D | |
| 24 | 1 | 931.06250000 | 16K0F3E | |
| 25 | 1 | 931.06250000 | 16K0F1D | |
| 25 | 1 | 931.06250000 | 15K0F2D | |
| 25 | 1 | 931.06250000 | 16K0F3E | |
| 2 | 1 | 931.73750000 | 16K0F3E | |
| 2 | 1 | 931.73750000 | 16K0F1D | |
| 2 | 1 | 931.73750000 | 15K0F2D | |
| 3 | 2 | 931.73750000 | 16K0F1D | |
| 3 | 2 | 931.73750000 | 15K0F2D | |
| 3 | 2 | 931.73750000 | 16K0F3E | |
| 7 | 1 | 931.73750000 | 15K0F2D | |
| 7 | 1 | 931.73750000 | 16K0F3E | |
| 7 | 1 | 931.73750000 | 16K0F1D | |
| 14 | 1 | 931.73750000 | 16K0F3E | |
| 14 | 1 | 931.73750000 | 16K0F1D | |
| 14 | 1 | 931.73750000 | 15K0F2D | |
| 22 | 1 | 931.73750000 | 16K0F1D | |
| 22 | 1 | 931.73750000 | 15K0F2D | |
| 22 | 1 | 931.73750000 | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | OTAY MOUNTAIN, SAN DIEGO, SAN DIEGO, CA | 32.59505556, -116.84500000 | 1086.300 m | 11.900 m overall | N | |
| 2 | T | ATOP MT. WOODSON, 20 MILES NNE OF, SAN DIEGO, SAN DIEGO, CA | 33.00950000, -116.97058333 | 846.400 m | NNTANN | 36.300 m structure / 36.300 m overall | N |
| 3 | T | SAN MIGUEL MOUNTAIN, 12193 HIGHWAY 94, JAMUL, SAN DIEGO, CA | 32.69672222, -116.93697222 | 781.800 m | NNTANN | 15.800 m structure / 15.800 m overall | N |
| 4 | T | SAN MARCOS MTN. 1, VISTA, SAN DIEGO, CA | 33.21475000, -117.18836111 | 457.200 m | NNTANN | 18.300 m structure / 21.300 m overall | N |
| 5 | T | 2324 STIRRUP ROAD, BORREGO SPRINGS, SAN DIEGO, CA | 33.26141667, -116.37222222 | 177.400 m | 33.500 m overall | N | |
| 6 | T | BLACK MOUNTAIN NEAR, GLAMIS, IMPERIAL, CA | 33.05308333, -114.82744444 | 647.400 m | 17.700 m overall | N | |
| 7 | T | RED MTN, FALLBROOK, SAN DIEGO, CA | 33.40030556, -117.19086111 | 492.800 m | 8.800 m overall | N | |
| 8 | T | 1100 WALL STREET, SAN DIEGO, SAN DIEGO, CA | 32.84697222, -117.27308333 | 33.500 m | 26.500 m overall | N | |
| 9 | T | MT. PALOMAR, 3.8MI. S OF PALOMAR OBSERVATORY, 17MI. NE OF, ESCONDIDO, SAN DIEGO, CA | 33.30891667, -116.84475000 | 1740.400 m | NNTANN | 42.700 m structure / 44.500 m overall | N |
| 11 | T | LAKE SAN MARCOS PEAK 3.8 MI SE OF PALOMAR AIRPORT, SAN MARCOS, SAN DIEGO, CA | 33.11113889, -117.20225000 | 371.900 m | 26.800 m overall | N | |
| 12 | T | 1200 HARBOR DRIVE NORTH, OCEANSIDE, SAN DIEGO, CA | 33.20752778, -117.38975000 | 12.200 m | 56.400 m overall | N | |
| 13 | T | 14565 BLACK MOUNTAIN ROAD, RANCHO PENASQUISTOS, SAN DIEGO, CA | 32.98116667, -117.11558333 | 473.700 m | NNTANN | 14.000 m structure / 15.200 m overall | N |
| 14 | T | 2122 VIA CASA ALTA, LA JOLLA, SAN DIEGO, CA | 32.83919444, -117.25002778 | 242.900 m | 28.600 m structure / 28.700 m overall | N | |
| 15 | T | 110 WEST 'C' STREET, CHAMBER BUILDING, SAN DIEGO, SAN DIEGO, CA | 32.71697222, -117.16419444 | 12.200 m | 86.600 m overall | N | |
| 16 | T | RADISSON HOTEL, 1433 CAMINO DEL RIO SOUTH, SAN DIEGO, SAN DIEGO, CA | 32.76558333, -117.14058333 | 12.200 m | 51.200 m overall | N | |
| 22 | T | El Centro 6.7 Miles West of, HOLTVILLE, IMPERIAL, CA | 32.80280556, -115.49886111 | -13.700 m | 63.400 m overall | N | |
| 23 | T | KROP BRAWLAY/120 S PLAZA/ S OF MEAD RD/ E OF HWY 111, BRAWLEY, IMPERIAL, CA | 32.95336111, -115.50275000 | -38.400 m | 104.600 m overall | N | |
| 24 | T | PENDLETON HOSPITAL 1800' N OF FORRESTAL DR H-100, OCEANSIDE, SAN DIEGO, CA | 33.34391667, -117.32419444 | 38.100 m | 32.900 m overall | N | |
| 25 | T | 10901 N TORREY PINES RD, TORREY PINES, SAN DIEGO, CA | 32.91197222, -117.24002778 | 128.000 m | 15.500 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | CELW PD-1132R | 11.900 m | V | 140.0000 | |||
| 1 | 2 | T | DECI DB-806 | 18.900 m | V | 8.3000 | 350.0000 | ||
| 1 | 3 | T | DECI DB-806 | 21.600 m | V | 9.2000 | 345.0000 | ||
| 1 | 4 | T | DECI DB-809 | 21.300 m | V | 12.7000 | 315.0000 | ||
| 1 | 5 | T | DECI DB-809 | 33.500 m | V | 9.0000 | 360.0000 | ||
| 1 | 6 | T | DECIBEL DB-806 | 17.700 m | V | 9.5000 | 275.0000 | ||
| 1 | 7 | T | DECI DB-809 | 20.100 m | V | 9.0000 | 360.0000 | ||
| 1 | 8 | T | DECI DB-809K | 26.500 m | V | 9.0000 | 360.0000 | ||
| 1 | 9 | T | DECI DB-803 | 44.500 m | V | 360.0000 | |||
| 1 | 11 | T | DECIBEL DB-809K | 26.800 m | V | 11.8000 | 130.0000 | ||
| 1 | 12 | T | DECI DB-809K | 56.400 m | V | 9.0000 | 360.0000 | ||
| 1 | 14 | T | DECI DB-806 | 11.000 m | V | 8.4000 | 140.0000 | ||
| 1 | 15 | T | DECI DB-806 | 81.700 m | V | 6.0000 | 360.0000 | ||
| 1 | 16 | T | DECI DB-809 | 51.200 m | V | 9.0000 | 360.0000 | ||
| 1 | 22 | T | DECIBEL DB809 | 63.400 m | V | 160.0000 | |||
| 1 | 23 | T | DECIBEL DB-809YP | 105.000 m | V | 360.0000 | |||
| 1 | 24 | T | DECIBEL DB-809 | 32.900 m | V | 360.0000 | |||
| 1 | 25 | T | DECIBEL DB-809K | 11.900 m | V | 360.0000 | |||
| 2 | 1 | T | CELWAVE PD1132R | 11.900 m | V | 220.0000 | |||
| 2 | 2 | T | DECI DB-806 | 18.900 m | V | 8.3000 | 350.0000 | ||
| 2 | 3 | T | DECIBEL DB-806 | 21.600 m | V | 9.2000 | 345.0000 | ||
| 2 | 4 | T | DECIBEL DB-225 | 18.300 m | V | 5.0000 | 90.0000 | ||
| 2 | 5 | T | DECIBEL DB-809 | 33.500 m | V | 360.0000 | |||
| 2 | 7 | T | DECIBEL DB-809 | 20.100 m | V | 9.0000 | 360.0000 | ||
| 2 | 8 | T | CELWAVE PD-1167 | 22.600 m | V | 360.0000 | |||
| 2 | 12 | T | DECIBEL DB 225 | 55.200 m | V | 360.0000 | |||
| 2 | 13 | T | DECI DB-806 | 15.200 m | V | 9.8000 | 325.0000 | ||
| 2 | 14 | T | DECI DB-806 | 11.000 m | V | 8.0000 | 140.0000 | ||
| 2 | 15 | T | DECIBEL DB-506W | 86.600 m | V | 360.0000 | |||
| 2 | 25 | T | DECIBEL DB-506W | 15.500 m | V | 360.0000 | |||
| 3 | 7 | T | DECI DB-809 | 8.800 m | V | 9.0000 | 360.0000 | ||
| 3 | 9 | T | DECIBEL DB-803 | 44.500 m | V | 360.0000 | |||
| 3 | 13 | T | DECIBEL DB222 | 14.000 m | V | 3.0000 | 360.0000 | ||
| 4 | 3 | T | DECI DB-806 | 21.600 m | V | 9.2000 | 345.0000 | ||
| 5 | 2 | T | DECI DB-806 | 18.900 m | V | 8.3000 | 350.0000 | ||
| 5 | 3 | T | DECIBEL DB-222E | 14.900 m | V | 6.3000 | 270.0000 | ||
| 6 | 2 | T | CELWAVE PD-342-509 | 36.300 m | V | 9.0000 | 250.0000 | ||
| 6 | 3 | T | DECIBEL DB 826 | 15.800 m | V | 8.0000 | 330.0000 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 5101 CONVOY, SAN DIEGO, CA | ||
| 2 | 650 HOWE AVENUE, #400, SACRAMENTO, CA |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2026-07-16 | KLF644 | LIAUA |
| 2022-03-29 | KLF644 | LIAUA |
| 2019-04-23 | KLF644 | LIREN |
| 2019-02-11 | KLF644 | LETRES |
| 2015-12-04 | KLF644 | LIAUA |
| 2015-12-03 | KLF644 | ESUAPR |
| 2013-04-20 | KLF644 | LIAUA |
| 2013-04-19 | KLF644 | ESUAPR |
| 2009-11-24 | KLF644 | LIASS |
| 2009-11-13 | KLF644 | ESUAPR |
| 2009-04-28 | KLF644 | LIREN |
| 2009-03-10 | KLF644 | ESUAPR |
| 2009-01-05 | KLF644 | LETRES |
| 2007-06-27 | KLF644 | ESUAPR |
| 2007-06-27 | KLF644 | LIAUA |
| 2007-04-28 | KLF644 | LIAUA |
| 2007-04-27 | KLF644 | ESUAPR |
| 2007-02-17 | KLF644 | LIASS |
| 2006-06-02 | KLF644 | LIASS |
| 2005-02-16 | KLF644 | PNACT |
| 2005-02-08 | KLF644 | AUTHPR |
| 2005-02-07 | KLF644 | AUDMOD |
| 2004-12-07 | KLF644 | LETAFU |
| 2004-09-28 | KLF644 | LETAUS |
| 2004-01-28 | KLF644 | LIAUA |
| 2002-02-09 | KLF644 | LIAUA |
| 2001-05-30 | KLF644 | LIAUA |
| 2000-07-26 | KLF644 | LIAUA |
| 2000-07-13 | KLF644 | LIMOD |
| 2000-05-13 | KLF644 | LITRAN |
| 2000-04-03 | KLF644 | LITRAN |
| 2000-02-03 | KLF644 | AUTHPR |
| 1999-10-16 | KLF644 | LIMOD |
| 1999-09-09 | KLF644 | AUTHPR |
| 1999-09-06 | KLF644 | LIASS |
| 1999-08-20 | KLF644 | COR |
| 1999-08-19 | KLF644 | COR |
| 1999-07-12 | KLF644 | COR |
| 1999-07-09 | KLF644 | COR |
| 1999-05-21 | KLF644 | COR |
| 1999-04-19 | KLF644 | LIREN |
| 1998-12-02 | KLF644 | COR |
| 1998-11-13 | KLF644 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 7542 | 2026-08-02 02:52:17 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | KLF644 | ULS 7542 | 2026-08-02 02:52:22 |
| Status | A | ULS 7542 | 2026-08-02 02:52:22 |
| Service | CD | ULS 7542 | 2026-08-02 02:52:22 |
| Grant Date | 2019-04-23 | ULS 7542 | 2026-08-02 02:52:22 |
| Expiration Date | 2029-04-01 | ULS 7542 | 2026-08-02 02:52:22 |
Related FCC records
| System or type | Record | Relationship |
|---|---|---|
| COMPANY | AMS Spectrum Holdings, LLC | Filed By |
| FILING | 1098 | Filed By |
| FILING | 117 | Filed By |
| FILING | 1180 | Filed By |
| FILING | 119 | Filed By |
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