Universal Licensing System
WRFK428
SPRINGFIELD UNDERGROUND, INC
License details
| ULS identifier | 4263858 |
|---|
| Call sign | WRFK428 |
|---|
| Radio service | GB |
|---|
| Status | A |
|---|
| Grant date | 2020-03-19 |
|---|
| Expiration | 2030-03-19 |
|---|
| Frequency range | 809.7875 - 858.3875 MHz (8 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | BERRYVILLE, CARROLL, AR |
|---|
| Coordinates | 36.3491667, -93.5301389 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:21:45 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 809.78750000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | FX1 | 809.78750000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 809.78750000 | | | 3.000000 | 3.000000 | |
| 4 | 1 | MO | 810.01250000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | FX1 | 810.01250000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 810.01250000 | | | 3.000000 | 3.000000 | |
| 4 | 1 | MO | 812.81250000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | FX1 | 812.81250000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 813.38750000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | FX1 | 813.38750000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB2 | 854.78750000 | | | 45.000000 | 55.000000 | |
| 2 | 1 | MO | 854.78750000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | FBT | 854.78750000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 854.78750000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | FB2 | 855.01250000 | | | 35.000000 | 50.000000 | |
| 4 | 1 | MO | 855.01250000 | | | 35.000000 | 35.000000 | |
| 6 | 1 | FBT | 855.01250000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | MO | 855.01250000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | FB2 | 857.81250000 | | | 35.000000 | 50.000000 | |
| 4 | 1 | MO | 857.81250000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB2 | 858.38750000 | | | 45.000000 | 55.000000 | |
| 2 | 1 | MO | 858.38750000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 809.78750000 | | 7K60FXD |
| 2 | 1 | 809.78750000 | | 7K60FXE |
| 5 | 1 | 809.78750000 | | 7K60FXD |
| 5 | 1 | 809.78750000 | | 7K60FXE |
| 7 | 1 | 809.78750000 | | 7K60FXE |
| 7 | 1 | 809.78750000 | | 7K60FXD |
| 4 | 1 | 810.01250000 | | 7K60FXE |
| 4 | 1 | 810.01250000 | | 7K60FXD |
| 5 | 1 | 810.01250000 | | 7K60FXE |
| 5 | 1 | 810.01250000 | | 7K60FXD |
| 7 | 1 | 810.01250000 | | 7K60FXD |
| 7 | 1 | 810.01250000 | | 7K60FXE |
| 4 | 1 | 812.81250000 | | 7K60FXD |
| 4 | 1 | 812.81250000 | | 7K60FXE |
| 5 | 1 | 812.81250000 | | 7K60FXD |
| 5 | 1 | 812.81250000 | | 7K60FXE |
| 2 | 1 | 813.38750000 | | 7K60FXD |
| 2 | 1 | 813.38750000 | | 7K60FXE |
| 5 | 1 | 813.38750000 | | 7K60FXE |
| 5 | 1 | 813.38750000 | | 7K60FXD |
| 1 | 1 | 854.78750000 | | 7K60FXD |
| 1 | 1 | 854.78750000 | | 7K60FXE |
| 2 | 1 | 854.78750000 | | 7K60FXD |
| 2 | 1 | 854.78750000 | | 7K60FXE |
| 6 | 1 | 854.78750000 | | 7K60FXD |
| 6 | 1 | 854.78750000 | | 7K60FXE |
| 7 | 1 | 854.78750000 | | 7K60FXD |
| 7 | 1 | 854.78750000 | | 7K60FXE |
| 3 | 1 | 855.01250000 | | 7K60FXD |
| 3 | 1 | 855.01250000 | | 7K60FXE |
| 4 | 1 | 855.01250000 | | 7K60FXD |
| 4 | 1 | 855.01250000 | | 7K60FXE |
| 6 | 1 | 855.01250000 | | 7K60FXE |
| 6 | 1 | 855.01250000 | | 7K60FXD |
| 7 | 1 | 855.01250000 | | 7K60FXD |
| 7 | 1 | 855.01250000 | | 7K60FXE |
| 3 | 1 | 857.81250000 | | 7K60FXE |
| 3 | 1 | 857.81250000 | | 7K60FXD |
| 4 | 1 | 857.81250000 | | 7K60FXE |
| 4 | 1 | 857.81250000 | | 7K60FXD |
| 1 | 1 | 858.38750000 | | 7K60FXE |
| 1 | 1 | 858.38750000 | | 7K60FXD |
| 2 | 1 | 858.38750000 | | 7K60FXE |
| 2 | 1 | 858.38750000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2021 N LECOMPTE, SPRINGFIELD, GREENE, MO | 37.23186111, -93.21816667 | 427.600 m | BMAST | 9.100 m structure / 15.200 m overall | |
| 2 | T | | | | | | |
| 3 | T | UNDERGROUND 500 METERS EAST OF US-65 HALF WAY BETWEEN RTE 66 AND E DIVISION ST, SPRINGFIELD, GREENE, MO | 37.23358333, -93.22250000 | 403.800 m | MAST | 6.100 m structure / 7.100 m overall | |
| 4 | T | | | | | | |
| 5 | T | GREENE, MO | | | | | |
| 6 | T | BERRYVILLE, CARROLL, AR | 36.34916667, -93.53013889 | | | | N |
| 7 | T | BERRYVILLE, CARROLL, AR | 36.34916667, -93.53013889 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.200 m | V | 3.0000 | 360.0000 | 43.800 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 7.100 m | V | 3.0000 | 360.0000 | 12.700 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3610 E KEARNEY ST, SPRINGFIELD, MO | GREENE | 4178741400 |
License history
| Date | File or call sign | Action |
|---|
| 2025-02-25 | WRFK428 | LETCNS |
| 2024-05-23 | WRFK428 | LIMOD |
| 2020-12-22 | WRFK428 | LETCNS |
| 2020-07-28 | WRFK428 | LIMOD |
| 2020-03-19 | WRFK428 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4263858 | 2026-08-02 01:21:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFK428 | ULS 4263858 | 2026-08-02 01:21:45 |
| Status | A | ULS 4263858 | 2026-08-02 01:21:45 |
| Service | GB | ULS 4263858 | 2026-08-02 01:21:45 |
| Grant Date | 2020-03-19 | ULS 4263858 | 2026-08-02 01:21:45 |
| Expiration Date | 2030-03-19 | ULS 4263858 | 2026-08-02 01:21:45 |