Universal Licensing System
WRDN873
JOHN ROCK INC.
License details
| ULS identifier | 4170597 |
|---|
| Call sign | WRDN873 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2019-06-14 |
|---|
| Expiration | 2029-06-14 |
|---|
| Frequency range | 451.9375 - 469.85 MHz (6 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | COATESVILLE, CHESTER, PA |
|---|
| Coordinates | 39.9857778, -75.8835556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:54 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.93750000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 451.93750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.93750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 463.53750000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 463.53750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 464.85000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 464.85000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 468.53750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 469.85000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.93750000 | | 11K0F3E |
| 2 | 1 | 451.93750000 | | 11K0F3E |
| 2 | 1 | 456.93750000 | | 11K0F3E |
| 1 | 1 | 463.53750000 | | 11K0F3E |
| 2 | 1 | 463.53750000 | | 11K0F3E |
| 1 | 1 | 464.85000000 | | 11K0F3E |
| 2 | 1 | 464.85000000 | | 11K0F3E |
| 2 | 1 | 468.53750000 | | 11K0F3E |
| 2 | 1 | 469.85000000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 500 INDEPENDENCE WAY, COATESVILLE, CHESTER, PA | 39.98577778, -75.88355556 | 206.000 m | B | 9.100 m structure / 10.700 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.700 m | | | | 42.800 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 500 INDEPENDENCE WAY, COATESVILLE, PA | CHESTER | 6108578080 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-30 | WRDN873 | LETCNS |
| 2025-09-26 | WRDN873 | LIMOD |
| 2020-03-17 | WRDN873 | LETCNS |
| 2019-06-14 | WRDN873 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4170597 | 2026-08-02 01:22:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDN873 | ULS 4170597 | 2026-08-02 01:22:54 |
| Status | A | ULS 4170597 | 2026-08-02 01:22:54 |
| Service | IG | ULS 4170597 | 2026-08-02 01:22:54 |
| Grant Date | 2019-06-14 | ULS 4170597 | 2026-08-02 01:22:54 |
| Expiration Date | 2029-06-14 | ULS 4170597 | 2026-08-02 01:22:54 |