Universal Licensing System
WPRK631
CALVADA SURVEYING INC
License details
| ULS identifier | 1832275 |
|---|
| Call sign | WPRK631 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-11-20 |
|---|
| Expiration | 2035-11-01 |
|---|
| Frequency range | 461.1 - 464.75 MHz (12 frequencies) |
|---|
| Locations | 2 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:17:44 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FBT | 461.02500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 461.07500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 461.10000000 | | | 35.000000 | | |
| 1 | 1 | FBT | 462.12500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 462.37500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 462.40000000 | | | 35.000000 | | |
| 2 | 1 | FBI | 464.50000000 | | | 35.000000 | | |
| 2 | 1 | FBI | 464.55000000 | | | 35.000000 | | |
| 1 | 1 | FBT | 464.60000000 | | | 35.000000 | | |
| 1 | 1 | FBT | 464.62500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 464.65000000 | | | 35.000000 | | |
| 1 | 1 | FBT | 464.70000000 | | | 35.000000 | | |
| 1 | 1 | FBT | 464.72500000 | | | 35.000000 | | |
| 1 | 1 | FBT | 464.75000000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.02500000 | | 11K2F1D |
| 1 | 1 | 461.07500000 | | 11K2F1D |
| 1 | 1 | 461.10000000 | | 11K2F1D |
| 1 | 1 | 462.12500000 | | 11K2F1D |
| 1 | 1 | 462.37500000 | | 11K2F1D |
| 1 | 1 | 462.40000000 | | 11K2F1D |
| 2 | 1 | 464.50000000 | | 11K2F1D |
| 2 | 1 | 464.55000000 | | 11K2F1D |
| 1 | 1 | 464.60000000 | | 11K2F1D |
| 1 | 1 | 464.62500000 | | 11K2F1D |
| 1 | 1 | 464.65000000 | | 11K2F1D |
| 1 | 1 | 464.70000000 | | 11K2F1D |
| 1 | 1 | 464.72500000 | | 11K2F1D |
| 1 | 1 | 464.75000000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 411 JENKS CIRCLE SUITE 205, CORONA, CA | RIVERSIDE | 9512809960 |
License history
| Date | File or call sign | Action |
|---|
| 2025-11-20 | WPRK631 | LIREN |
| 2025-08-11 | WPRK631 | LETRES |
| 2015-08-12 | WPRK631 | LIREN |
| 2015-08-12 | WPRK631 | LTSAPR |
| 2015-08-10 | WPRK631 | LETRES |
| 2015-08-10 | WPRK631 | LIMOD |
| 2009-08-11 | WPRK631 | LIAUA |
| 2009-08-11 | WPRK631 | LTSAPR |
| 2008-06-05 | WPRK631 | LTSAPR |
| 2008-06-05 | WPRK631 | LIAUA |
| 2005-10-20 | WPRK631 | LTSAPR |
| 2005-10-20 | WPRK631 | LIREN |
| 2005-10-20 | WPRK631 | LTSFRN |
| 2005-08-08 | WPRK631 | LETRES |
| 2000-11-23 | WPRK631 | LICCNV |
| 2000-11-01 | WPRK631 | AUTHPR |
| 2000-11-01 | WPRK631 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1832275 | 2026-08-02 01:17:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRK631 | ULS 1832275 | 2026-08-02 01:17:44 |
| Status | A | ULS 1832275 | 2026-08-02 01:17:44 |
| Service | IG | ULS 1832275 | 2026-08-02 01:17:44 |
| Grant Date | 2025-11-20 | ULS 1832275 | 2026-08-02 01:17:44 |
| Expiration Date | 2035-11-01 | ULS 1832275 | 2026-08-02 01:17:44 |