Universal Licensing System
WRKX521
California Internet, LLC dba GeoLinks
License details
| ULS identifier | 4394764 |
|---|
| Call sign | WRKX521 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2020-12-07 |
|---|
| Expiration | 2027-04-12 |
|---|
| Frequency range | 17965 - 22025 MHz (6 frequencies) |
|---|
| Locations | 6 |
|---|
| Representative location | San Jose, SANTA CLARA, CA |
|---|
| Coordinates | 37.3355556, -121.9175000 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:43:44 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 9 | FXO | 17965.00000000 | | | | | |
| 1 | 9 | FXO | 17965.00000000 | | | | | |
| 1 | 9 | FXO | 17965.00000000 | | | | | |
| 1 | 9 | FXO | 17965.00000000 | | | | | |
| 1 | 9 | FXO | 17965.00000000 | | | | | |
| 1 | 9 | FXO | 17965.00000000 | | | | | |
| 1 | 10 | FXO | 18115.00000000 | | | | | |
| 1 | 10 | FXO | 18115.00000000 | | | | | |
| 1 | 10 | FXO | 18115.00000000 | | | | | |
| 1 | 10 | FXO | 18115.00000000 | | | | | |
| 1 | 10 | FXO | 18115.00000000 | | | | | |
| 1 | 10 | FXO | 18115.00000000 | | | | | |
| 1 | 2 | FXO | 21375.00000000 | | | | | |
| 1 | 5 | FXO | 21825.00000000 | | | | | |
| 1 | 5 | FXO | 21825.00000000 | | | | | |
| 1 | 5 | FXO | 21825.00000000 | | | | | |
| 1 | 5 | FXO | 21825.00000000 | | | | | |
| 1 | 5 | FXO | 21825.00000000 | | | | | |
| 1 | 6 | FXO | 21875.00000000 | | | | | |
| 1 | 6 | FXO | 21875.00000000 | | | | | |
| 1 | 6 | FXO | 21875.00000000 | | | | | |
| 1 | 6 | FXO | 21875.00000000 | | | | | |
| 1 | 6 | FXO | 21875.00000000 | | | | | |
| 1 | 6 | FXO | 21875.00000000 | | | | | |
| 1 | 6 | FXO | 21875.00000000 | | | | | |
| 1 | 6 | FXO | 21875.00000000 | | | | | |
| 1 | 7 | FXO | 21875.00000000 | | | | | |
| 1 | 7 | FXO | 21875.00000000 | | | | | |
| 1 | 7 | FXO | 21875.00000000 | | | | | |
| 1 | 7 | FXO | 21875.00000000 | | | | | |
| 1 | 7 | FXO | 21875.00000000 | | | | | |
| 1 | 7 | FXO | 21875.00000000 | | | | | |
| 1 | 7 | FXO | 21875.00000000 | | | | | |
| 1 | 7 | FXO | 21875.00000000 | | | | | |
| 1 | 8 | FXO | 22025.00000000 | | | | | |
| 1 | 8 | FXO | 22025.00000000 | | | | | |
| 1 | 8 | FXO | 22025.00000000 | | | | | |
| 1 | 8 | FXO | 22025.00000000 | | | | | |
| 1 | 8 | FXO | 22025.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 9 | 17965.00000000 | | 50M0G7W |
| 1 | 9 | 17965.00000000 | | 50M0D7W |
| 1 | 9 | 17965.00000000 | | 50M0D7W |
| 1 | 9 | 17965.00000000 | | 50M0D7W |
| 1 | 9 | 17965.00000000 | | 50M0D7W |
| 1 | 9 | 17965.00000000 | | 50M0D7W |
| 1 | 10 | 18115.00000000 | | 50M0G7W |
| 1 | 10 | 18115.00000000 | | 50M0D7W |
| 1 | 10 | 18115.00000000 | | 50M0D7W |
| 1 | 10 | 18115.00000000 | | 50M0D7W |
| 1 | 10 | 18115.00000000 | | 50M0D7W |
| 1 | 10 | 18115.00000000 | | 50M0D7W |
| 1 | 2 | 21375.00000000 | | 50M0D7W |
| 1 | 5 | 21825.00000000 | | 50M0D7W |
| 1 | 5 | 21825.00000000 | | 50M0D7W |
| 1 | 5 | 21825.00000000 | | 50M0D7W |
| 1 | 5 | 21825.00000000 | | 50M0D7W |
| 1 | 5 | 21825.00000000 | | 50M0D7W |
| 1 | 5 | 21825.00000000 | | 50M0D7W |
| 1 | 5 | 21825.00000000 | | 50M0D7W |
| 1 | 5 | 21825.00000000 | | 50M0G7W |
| 1 | 6 | 21875.00000000 | | 50M0G7W |
| 1 | 6 | 21875.00000000 | | 50M0D7W |
| 1 | 6 | 21875.00000000 | | 50M0D7W |
| 1 | 6 | 21875.00000000 | | 50M0D7W |
| 1 | 6 | 21875.00000000 | | 50M0D7W |
| 1 | 6 | 21875.00000000 | | 50M0D7W |
| 1 | 6 | 21875.00000000 | | 50M0D7W |
| 1 | 6 | 21875.00000000 | | 50M0D7W |
| 1 | 7 | 21875.00000000 | | 50M0G7W |
| 1 | 7 | 21875.00000000 | | 50M0D7W |
| 1 | 7 | 21875.00000000 | | 50M0D7W |
| 1 | 7 | 21875.00000000 | | 50M0D7W |
| 1 | 7 | 21875.00000000 | | 50M0D7W |
| 1 | 7 | 21875.00000000 | | 50M0D7W |
| 1 | 7 | 21875.00000000 | | 50M0D7W |
| 1 | 7 | 21875.00000000 | | 50M0D7W |
| 1 | 8 | 22025.00000000 | | 50M0G7W |
| 1 | 8 | 22025.00000000 | | 50M0D7W |
| 1 | 8 | 22025.00000000 | | 50M0D7W |
| 1 | 8 | 22025.00000000 | | 50M0D7W |
| 1 | 8 | 22025.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1625 The Alameda, San Jose, SANTA CLARA, CA | 37.33555556, -121.91750000 | 28.700 m | B | 76.200 m structure / 76.200 m overall | |
| 2 | R | | 37.33772222, -121.89397222 | 25.900 m | | | |
| 3 | R | | 37.38694444, -121.97388889 | 7.600 m | | | |
| 4 | R | | 37.33394444, -121.89000000 | 25.900 m | | | |
| 5 | R | | 37.34463889, -121.91622222 | 22.900 m | | | |
| 6 | R | | 37.15455556, -121.89783333 | 1045.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | R | COMMSCOPE VHLP2-23 | | | 40.4000 | | | |
| 1 | 3 | R | COMMSCOPE VHLP2-23B | | | 40.5000 | | | |
| 1 | 4 | R | COMMSCOPE VHLP1-23A | | | 35.3000 | | | |
| 1 | 5 | R | COMMSCOPE VHLP1-23A | | | 35.3000 | | | |
| 1 | 6 | R | COMMSCOPE VHLP4-18C | | | 44.7000 | | | |
| 2 | 1 | T | COMMSCOPE VHLP1-23 | | V | 35.3000 | 83.4000 | | |
| 2 | 2 | R | COMMSCOPE VHLP2-23 | | | 40.4000 | | | |
| 2 | 6 | R | COMMSCOPE VHLP4-18C | | | 44.7000 | | | |
| 5 | 1 | T | COMMSCOPE VHLP1-23 | | H | 35.3000 | 83.4000 | | |
| 6 | 1 | T | COMMSCOPE VHLP2-23B | | H | 40.5000 | 318.8000 | | |
| 7 | 1 | T | COMMSCOPE VHLP1-23A | | V | 35.3000 | 94.2000 | | |
| 8 | 1 | T | COMMSCOPE VHLP1-23A | | V | 35.3000 | 6.4000 | | |
| 9 | 1 | T | COMMSCOPE VHLP4-18C | | H | 44.7000 | 175.0000 | | |
| 10 | 1 | T | COMMSCOPE VHLP4-18C | | V | 44.7000 | 175.0000 | | |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5106 |
License history
| Date | File or call sign | Action |
|---|
| 2026-05-31 | WRKX521 | ANATRM |
| 2026-05-31 | WRKX521 | FRATRM |
| 2026-05-31 | WRKX521 | LOATRM |
| 2026-05-31 | WRKX521 | PAATRM |
| 2026-03-25 | WRKX521 | LETTRS |
| 2026-03-25 | WRKX521 | PNLISR |
| 2026-01-26 | WRKX521 | LIASS |
| 2025-09-05 | WRKX521 | LIAUA |
| 2025-08-02 | WRKX521 | LIAUA |
| 2024-08-14 | WRKX521 | LIMOD |
| 2021-05-11 | WRKX521 | AUTHPR |
| 2021-05-09 | WRKX521 | FRATRM |
| 2021-03-03 | WRKX521 | LETTRS |
| 2021-03-03 | WRKX521 | PNLISR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4394764 | 2026-08-02 02:43:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKX521 | ULS 4394764 | 2026-08-02 02:43:44 |
| Status | A | ULS 4394764 | 2026-08-02 02:43:44 |
| Service | MG | ULS 4394764 | 2026-08-02 02:43:44 |
| Grant Date | 2020-12-07 | ULS 4394764 | 2026-08-02 02:43:44 |
| Expiration Date | 2027-04-12 | ULS 4394764 | 2026-08-02 02:43:44 |