Universal Licensing System
WPKS444
SKY COURIER
License details
| ULS identifier | 1929375 |
|---|
| Call sign | WPKS444 |
|---|
| Radio service | YU |
|---|
| Status | E |
|---|
| Grant date | 1997-06-23 |
|---|
| Expiration | 2002-06-23 |
|---|
| Cancellation | 2002-10-27 |
|---|
| Frequency range | 899.1375 - 939.1875 MHz (40 frequencies) |
|---|
| Locations | 6 |
|---|
| Representative location | TWIN CREEKS, SANTA CLARA, CA |
|---|
| Coordinates | 37.1110556, -121.8424444 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:28:06 |
|---|
Licensee
| Name | SKY COURIER |
|---|
| Applicant type | C |
|---|
| Location | SOUTH SAN FRANCISCO, CA |
|---|
| Address | 390 SWIFT AVE 17, SOUTH SAN FRANCISCO, CA, 94080 |
|---|
| Phone | 8004355905 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | FX1 | 899.13750000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.13750000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.13750000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.13750000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.15000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.15000000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.15000000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.15000000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.16250000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.16250000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.16250000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.16250000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.17500000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.17500000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.17500000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.17500000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.18750000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.18750000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.18750000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.18750000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.20000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.20000000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.20000000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.20000000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.21250000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.21250000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.21250000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.21250000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.22500000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.22500000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.22500000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.22500000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.23750000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.23750000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.23750000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.23750000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.25000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.25000000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.25000000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.25000000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.70000000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 899.70000000 | | | 30.000000 | 30.000000 | |
| 6 | 1 | MO | 899.70000000 | | | 30.000000 | 30.000000 | |
| 7 | 1 | MO | 899.70000000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | FX1 | 899.71250000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.71250000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.71250000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.71250000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.72500000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.72500000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.72500000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.72500000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.73750000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.73750000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.73750000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.73750000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 899.75000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.75000000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | MO | 899.75000000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 899.75000000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1 | 900.13750000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 900.13750000 | | | 30.000000 | 30.000000 | |
| 6 | 1 | MO | 900.13750000 | | | 30.000000 | 30.000000 | |
| 7 | 1 | MO | 900.13750000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | FX1 | 900.15000000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 900.15000000 | | | 30.000000 | 30.000000 | |
| 6 | 1 | MO | 900.15000000 | | | 30.000000 | 30.000000 | |
| 7 | 1 | MO | 900.15000000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | FX1 | 900.16250000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 900.16250000 | | | 30.000000 | 30.000000 | |
| 6 | 1 | MO | 900.16250000 | | | 30.000000 | 30.000000 | |
| 7 | 1 | MO | 900.16250000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | FX1 | 900.17500000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 900.17500000 | | | 30.000000 | 30.000000 | |
| 6 | 1 | MO | 900.17500000 | | | 30.000000 | 30.000000 | |
| 7 | 1 | MO | 900.17500000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | FX1 | 900.18750000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 900.18750000 | | | 30.000000 | 30.000000 | |
| 6 | 1 | MO | 900.18750000 | | | 30.000000 | 30.000000 | |
| 7 | 1 | MO | 900.18750000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | FB4C | 938.13750000 | | | 125.000000 | 200.000000 | |
| 2 | 1 | FB4C | 938.15000000 | | | 125.000000 | 200.000000 | |
| 2 | 1 | FB4C | 938.16250000 | | | 125.000000 | 200.000000 | |
| 2 | 1 | FB4C | 938.17500000 | | | 125.000000 | 200.000000 | |
| 2 | 1 | FB4C | 938.18750000 | | | 125.000000 | 200.000000 | |
| 1 | 1 | FB4C | 938.20000000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.21250000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.22500000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.23750000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.25000000 | | | 100.000000 | 35.000000 | |
| 3 | 1 | FB4C | 938.70000000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.71250000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.72500000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.73750000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.75000000 | | | 100.000000 | 35.000000 | |
| 3 | 1 | FB4C | 939.13750000 | | | 100.000000 | 35.000000 | |
| 3 | 1 | FB4C | 939.15000000 | | | 100.000000 | 35.000000 | |
| 3 | 1 | FB4C | 939.16250000 | | | 100.000000 | 35.000000 | |
| 3 | 1 | FB4C | 939.17500000 | | | 100.000000 | 35.000000 | |
| 3 | 1 | FB4C | 939.18750000 | | | 100.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 899.13750000 | | 13K6F3E |
| 5 | 1 | 899.13750000 | | 13K6F3E |
| 6 | 1 | 899.13750000 | | 13K6F3E |
| 7 | 1 | 899.13750000 | | 13K6F3E |
| 4 | 1 | 899.15000000 | | 13K6F3E |
| 5 | 1 | 899.15000000 | | 13K6F3E |
| 6 | 1 | 899.15000000 | | 13K6F3E |
| 7 | 1 | 899.15000000 | | 13K6F3E |
| 4 | 1 | 899.16250000 | | 13K6F3E |
| 5 | 1 | 899.16250000 | | 13K6F3E |
| 6 | 1 | 899.16250000 | | 13K6F3E |
| 7 | 1 | 899.16250000 | | 13K6F3E |
| 4 | 1 | 899.17500000 | | 13K6F3E |
| 5 | 1 | 899.17500000 | | 13K6F3E |
| 6 | 1 | 899.17500000 | | 13K6F3E |
| 7 | 1 | 899.17500000 | | 13K6F3E |
| 4 | 1 | 899.18750000 | | 13K6F3E |
| 5 | 1 | 899.18750000 | | 13K6F3E |
| 6 | 1 | 899.18750000 | | 13K6F3E |
| 7 | 1 | 899.18750000 | | 13K6F3E |
| 4 | 1 | 899.20000000 | | 13K6F3E |
| 5 | 1 | 899.20000000 | | 13K6F3E |
| 6 | 1 | 899.20000000 | | 13K6F3E |
| 7 | 1 | 899.20000000 | | 13K6F3E |
| 4 | 1 | 899.21250000 | | 13K6F3E |
| 5 | 1 | 899.21250000 | | 13K6F3E |
| 6 | 1 | 899.21250000 | | 13K6F3E |
| 7 | 1 | 899.21250000 | | 13K6F3E |
| 4 | 1 | 899.22500000 | | 13K6F3E |
| 5 | 1 | 899.22500000 | | 13K6F3E |
| 6 | 1 | 899.22500000 | | 13K6F3E |
| 7 | 1 | 899.22500000 | | 13K6F3E |
| 4 | 1 | 899.23750000 | | 13K6F3E |
| 5 | 1 | 899.23750000 | | 13K6F3E |
| 6 | 1 | 899.23750000 | | 13K6F3E |
| 7 | 1 | 899.23750000 | | 13K6F3E |
| 4 | 1 | 899.25000000 | | 13K6F3E |
| 5 | 1 | 899.25000000 | | 13K6F3E |
| 6 | 1 | 899.25000000 | | 13K6F3E |
| 7 | 1 | 899.25000000 | | 13K6F3E |
| 4 | 1 | 899.70000000 | | 13K6F3E |
| 5 | 1 | 899.70000000 | | 13K6F3E |
| 6 | 1 | 899.70000000 | | 13K6F3E |
| 7 | 1 | 899.70000000 | | 13K6F3E |
| 4 | 1 | 899.71250000 | | 13K6F3E |
| 5 | 1 | 899.71250000 | | 13K6F3E |
| 6 | 1 | 899.71250000 | | 13K6F3E |
| 7 | 1 | 899.71250000 | | 13K6F3E |
| 4 | 1 | 899.72500000 | | 13K6F3E |
| 5 | 1 | 899.72500000 | | 13K6F3E |
| 6 | 1 | 899.72500000 | | 13K6F3E |
| 7 | 1 | 899.72500000 | | 13K6F3E |
| 4 | 1 | 899.73750000 | | 13K6F3E |
| 5 | 1 | 899.73750000 | | 13K6F3E |
| 6 | 1 | 899.73750000 | | 13K6F3E |
| 7 | 1 | 899.73750000 | | 13K6F3E |
| 4 | 1 | 899.75000000 | | 13K6F3E |
| 5 | 1 | 899.75000000 | | 13K6F3E |
| 6 | 1 | 899.75000000 | | 13K6F3E |
| 7 | 1 | 899.75000000 | | 13K6F3E |
| 4 | 1 | 900.13750000 | | 13K6F3E |
| 5 | 1 | 900.13750000 | | 13K6F3E |
| 6 | 1 | 900.13750000 | | 13K6F3E |
| 7 | 1 | 900.13750000 | | 13K6F3E |
| 4 | 1 | 900.15000000 | | 13K6F3E |
| 5 | 1 | 900.15000000 | | 13K6F3E |
| 6 | 1 | 900.15000000 | | 13K6F3E |
| 7 | 1 | 900.15000000 | | 13K6F3E |
| 4 | 1 | 900.16250000 | | 13K6F3E |
| 5 | 1 | 900.16250000 | | 13K6F3E |
| 6 | 1 | 900.16250000 | | 13K6F3E |
| 7 | 1 | 900.16250000 | | 13K6F3E |
| 4 | 1 | 900.17500000 | | 13K6F3E |
| 5 | 1 | 900.17500000 | | 13K6F3E |
| 6 | 1 | 900.17500000 | | 13K6F3E |
| 7 | 1 | 900.17500000 | | 13K6F3E |
| 4 | 1 | 900.18750000 | | 13K6F3E |
| 5 | 1 | 900.18750000 | | 13K6F3E |
| 6 | 1 | 900.18750000 | | 13K6F3E |
| 7 | 1 | 900.18750000 | | 13K6F3E |
| 2 | 1 | 938.13750000 | | 13K6F3E |
| 2 | 1 | 938.15000000 | | 13K6F3E |
| 2 | 1 | 938.16250000 | | 13K6F3E |
| 2 | 1 | 938.17500000 | | 13K6F3E |
| 2 | 1 | 938.18750000 | | 13K6F3E |
| 1 | 1 | 938.20000000 | | 13K6F3E |
| 1 | 1 | 938.21250000 | | 13K6F3E |
| 1 | 1 | 938.22500000 | | 13K6F3E |
| 1 | 1 | 938.23750000 | | 13K6F3E |
| 1 | 1 | 938.25000000 | | 13K6F3E |
| 3 | 1 | 938.70000000 | | 13K6F3E |
| 1 | 1 | 938.71250000 | | 13K6F3E |
| 1 | 1 | 938.72500000 | | 13K6F3E |
| 1 | 1 | 938.73750000 | | 13K6F3E |
| 1 | 1 | 938.75000000 | | 13K6F3E |
| 3 | 1 | 939.13750000 | | 13K6F3E |
| 3 | 1 | 939.15000000 | | 13K6F3E |
| 3 | 1 | 939.16250000 | | 13K6F3E |
| 3 | 1 | 939.17500000 | | 13K6F3E |
| 3 | 1 | 939.18750000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SAN BRUNO MOUNTAIN WATTSON COMM SITE, SOUTH SAN FRANCISCO, SAN MATEO, CA | 37.68911111, -122.43663889 | 369.000 m | TOWER | 85.000 m structure / 85.000 m overall | N |
| 2 | T | LOMA PRIETA MOUNTAIN, TWIN CREEKS, SANTA CLARA, CA | 37.11105556, -121.84244444 | 1134.000 m | TOWER | 62.000 m structure / 62.000 m overall | N |
| 3 | T | CLAY JONES BUILDING 1250 JONES ST, SAN FRANCISCO, SAN FRANCISCO, CA | 37.79297222, -122.41413889 | 115.000 m | B | 108.000 m structure / 108.000 m overall | N |
| 4 | T | CA | | | | | |
| 5 | T | | | | | | |
| 6 | T | | | | | | |
| 7 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 67.000 m | | | | 72.000 | |
| 1 | 2 | T | | 52.000 m | | | | 714.000 | |
| 1 | 3 | T | | 97.000 m | | | | 77.000 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 390 SWIFT AVE 17, SOUTH SAN FRANCISCO, CA | | 8004355905 |
License history
| Date | File or call sign | Action |
|---|
| 2002-10-27 | WPKS444 | LIEXP |
| 2002-04-01 | WPKS444 | LETRES |
| 2000-11-24 | WPKS444 | LICCNV |
| 1997-06-23 | WPKS444 | LIISS |
| 1997-06-23 | WPKS444 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1929375 | 2026-08-02 01:28:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKS444 | ULS 1929375 | 2026-08-02 01:28:06 |
| Status | E | ULS 1929375 | 2026-08-02 01:28:06 |
| Service | YU | ULS 1929375 | 2026-08-02 01:28:06 |
| Grant Date | 1997-06-23 | ULS 1929375 | 2026-08-02 01:28:06 |
| Expiration Date | 2002-06-23 | ULS 1929375 | 2026-08-02 01:28:06 |
| Cancellation Date | 2002-10-27 | ULS 1929375 | 2026-08-02 01:28:06 |