Universal Licensing System
WPSK251
TFW SURVEYING & MAPPING
License details
| ULS identifier | 2322719 |
|---|
| Call sign | WPSK251 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2001-05-29 |
|---|
| Expiration | 2011-05-29 |
|---|
| Cancellation | 2011-07-30 |
|---|
| Frequency range | 461.025 - 464.75 MHz (13 frequencies) |
|---|
| Locations | 2 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:14:51 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FBT | 461.02500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FBT | 461.07500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FBT | 461.10000000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FBT | 462.12500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FBT | 462.37500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FBT | 462.40000000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | FBI | 464.50000000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | FBI | 464.55000000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FBT | 464.60000000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FBT | 464.62500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FBT | 464.65000000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FBT | 464.72500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FBT | 464.75000000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.02500000 | | 19K6F1D |
| 1 | 1 | 461.02500000 | | 11K2F1D |
| 1 | 1 | 461.07500000 | | 11K2F1D |
| 1 | 1 | 461.07500000 | | 19K6F1D |
| 1 | 1 | 461.10000000 | | 11K2F1D |
| 1 | 1 | 461.10000000 | | 19K6F1D |
| 1 | 1 | 462.12500000 | | 19K6F1D |
| 1 | 1 | 462.12500000 | | 11K2F1D |
| 1 | 1 | 462.37500000 | | 11K2F1D |
| 1 | 1 | 462.37500000 | | 19K6F1D |
| 1 | 1 | 462.40000000 | | 19K6F1D |
| 1 | 1 | 462.40000000 | | 11K2F1D |
| 2 | 1 | 464.50000000 | | 19K6F1D |
| 2 | 1 | 464.50000000 | | 11K2F1D |
| 2 | 1 | 464.55000000 | | 19K6F1D |
| 2 | 1 | 464.55000000 | | 11K2F1D |
| 1 | 1 | 464.60000000 | | 11K2F1D |
| 1 | 1 | 464.60000000 | | 19K6F1D |
| 1 | 1 | 464.62500000 | | 11K2F2D |
| 1 | 1 | 464.62500000 | | 19K6F1D |
| 1 | 1 | 464.65000000 | | 19K6F1D |
| 1 | 1 | 464.65000000 | | 11K2F1D |
| 1 | 1 | 464.72500000 | | 19K6F1D |
| 1 | 1 | 464.72500000 | | 11K2F1D |
| 1 | 1 | 464.75000000 | | 19K6F1D |
| 1 | 1 | 464.75000000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | N |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 888 E BELVIDERE RD SUITE 413, GRAYSLAKE, IL | LAKE | 8475486600 |
License history
| Date | File or call sign | Action |
|---|
| 2011-07-30 | WPSK251 | LIEXP |
| 2011-03-07 | WPSK251 | LETRES |
| 2009-03-27 | WPSK251 | LIAUA |
| 2009-03-26 | WPSK251 | ESCAPR |
| 2004-05-04 | WPSK251 | LIMOD |
| 2001-05-29 | WPSK251 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2322719 | 2026-08-02 01:14:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPSK251 | ULS 2322719 | 2026-08-02 01:14:51 |
| Status | E | ULS 2322719 | 2026-08-02 01:14:51 |
| Service | IG | ULS 2322719 | 2026-08-02 01:14:51 |
| Grant Date | 2001-05-29 | ULS 2322719 | 2026-08-02 01:14:51 |
| Expiration Date | 2011-05-29 | ULS 2322719 | 2026-08-02 01:14:51 |
| Cancellation Date | 2011-07-30 | ULS 2322719 | 2026-08-02 01:14:51 |