Universal Licensing System
WRDB485
SILFEX INC.
License details
| ULS identifier | 4135650 |
|---|
| Call sign | WRDB485 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2019-03-19 |
|---|
| Expiration | 2029-03-19 |
|---|
| Frequency range | 461.225 - 469.8125 MHz (10 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | EATON, PREBLE, OH |
|---|
| Coordinates | 39.7333611, -84.6238611 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:22:38 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 461.22500000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 461.22500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 461.30000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 462.27500000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 462.27500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 462.35000000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 462.35000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 462.42500000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 462.42500000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 464.41250000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 464.41250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FB2 | 464.81250000 | | | 25.000000 | 25.000000 | |
| 4 | 1 | MO | 464.81250000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 468.41250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 469.41250000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 469.81250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 461.22500000 | | 11K2F3E |
| 2 | 1 | 461.22500000 | | 8K30F1E |
| 4 | 1 | 461.22500000 | | 11K2F3E |
| 4 | 1 | 461.22500000 | | 8K30F1E |
| 2 | 1 | 461.30000000 | | 11K2F3E |
| 2 | 1 | 461.30000000 | | 8K30F1E |
| 2 | 1 | 462.27500000 | | 8K30F1E |
| 2 | 1 | 462.27500000 | | 11K2F3E |
| 4 | 1 | 462.27500000 | | 11K2F3E |
| 4 | 1 | 462.27500000 | | 8K30F1E |
| 2 | 1 | 462.35000000 | | 11K2F3E |
| 2 | 1 | 462.35000000 | | 8K30F1E |
| 4 | 1 | 462.35000000 | | 8K30F1E |
| 4 | 1 | 462.35000000 | | 11K2F3E |
| 2 | 1 | 462.42500000 | | 11K2F3E |
| 2 | 1 | 462.42500000 | | 8K30F1E |
| 4 | 1 | 462.42500000 | | 11K2F3E |
| 4 | 1 | 462.42500000 | | 8K30F1E |
| 1 | 1 | 464.41250000 | | 8K30F1E |
| 1 | 1 | 464.41250000 | | 11K2F3E |
| 2 | 1 | 464.41250000 | | 11K2F3E |
| 2 | 1 | 464.41250000 | | 8K30F1E |
| 3 | 1 | 464.81250000 | | 11K2F3E |
| 3 | 1 | 464.81250000 | | 8K30F1E |
| 4 | 1 | 464.81250000 | | 11K2F3E |
| 4 | 1 | 464.81250000 | | 8K30F1E |
| 4 | 1 | 468.41250000 | | 8K30F1E |
| 4 | 1 | 468.41250000 | | 11K2F3E |
| 2 | 1 | 469.41250000 | | 11K2F3E |
| 2 | 1 | 469.41250000 | | 8K30F1E |
| 4 | 1 | 469.81250000 | | 11K2F3E |
| 4 | 1 | 469.81250000 | | 8K30F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 950 SOUTH FRANKLIN ST, EATON, PREBLE, OH | 39.73336111, -84.62386111 | 310.000 m | BANT | 12.200 m structure / 14.600 m overall | |
| 2 | T | PREBLE, OH | | | | | |
| 3 | T | 1100 TITUS ST, SPRINGFIELD, CLARK, OH | 39.90883333, -83.71155556 | 329.000 m | BANT | 12.000 m structure / 18.300 m overall | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.600 m | V | 3.0000 | | 12.500 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 18.300 m | V | 3.0000 | | 19.900 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 950 SOUTH FRANKLIN ST, EATON, OH | PREBLE | 9374723311 |
| 2 | 1000 TITUS ROAD, SPRINGFIELD, OH | CLARK | 9374723311 |
License history
| Date | File or call sign | Action |
|---|
| 2019-03-19 | WRDB485 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4135650 | 2026-08-02 01:22:38 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB485 | ULS 4135650 | 2026-08-02 01:22:38 |
| Status | A | ULS 4135650 | 2026-08-02 01:22:38 |
| Service | IG | ULS 4135650 | 2026-08-02 01:22:38 |
| Grant Date | 2019-03-19 | ULS 4135650 | 2026-08-02 01:22:38 |
| Expiration Date | 2029-03-19 | ULS 4135650 | 2026-08-02 01:22:38 |