Universal Licensing System
WRKB220
MASTER METER INC.
License details
| ULS identifier | 4360015 |
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| Call sign | WRKB220 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-12-03 |
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| Expiration | 2030-12-03 |
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| Frequency range | 451.7875 - 457.45625 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | DEFIANCE, DEFIANCE, OH |
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| Coordinates | 41.2798611, -84.3501111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:19:48 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FXOT | 451.78750000 | | | 20.000000 | 20.000000 | |
| 5 | 1 | FXO | 451.78750000 | | | 20.000000 | 20.000000 | |
| 4 | 1 | FXOT | 452.45625000 | | | 20.000000 | 20.000000 | |
| 6 | 1 | FXO | 452.45625000 | | | 20.000000 | 20.000000 | |
| 3 | 1 | FXOT | 456.78750000 | | | 20.000000 | 20.000000 | |
| 4 | 1 | FXOT | 457.45625000 | | | 20.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.78750000 | | 5K10F2D |
| 5 | 1 | 451.78750000 | | 5K10F2D |
| 4 | 1 | 452.45625000 | | 5K10F2D |
| 6 | 1 | 452.45625000 | | 5K10F2D |
| 3 | 1 | 456.78750000 | | 5K10F2D |
| 4 | 1 | 457.45625000 | | 5K10F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 3 | T | GREENLER ST, DEFIANCE, DEFIANCE, OH | 41.27986111, -84.35011111 | | | | |
| 4 | T | CARPENTER ST, DEFIANCE, DEFIANCE, OH | 41.30063889, -84.34333333 | | | | |
| 5 | T | GREENLER ST, DEFIANCE, DEFIANCE, OH | 41.27986111, -84.35011111 | 213.000 m | GTOWER | 57.900 m structure / 57.900 m overall | N |
| 6 | T | CARPENTER RD, DEFIANCE, DEFIANCE, OH | 41.30063889, -84.34333333 | 218.000 m | TANK | 36.600 m structure / 36.600 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | 57.900 m | | | | 55.200 | |
| 1 | 6 | T | | 36.600 m | | | | 37.800 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 101 REGENCY PARKWAY, MANSFIELD, TX | TARRANT | 8178428113 |
License history
| Date | File or call sign | Action |
|---|
| 2023-10-31 | WRKB220 | LETCNS |
| 2023-01-27 | WRKB220 | LIMOD |
| 2022-09-23 | WRKB220 | INTDUP |
| 2022-09-23 | WRKB220 | COR |
| 2022-03-20 | WRKB220 | LOATRM |
| 2022-03-20 | WRKB220 | ANATRM |
| 2022-03-20 | WRKB220 | FRATRM |
| 2022-01-12 | WRKB220 | LETTRS |
| 2022-01-12 | WRKB220 | PNLISR |
| 2021-09-08 | WRKB220 | LETCNS |
| 2020-12-03 | WRKB220 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4360015 | 2026-08-02 01:19:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKB220 | ULS 4360015 | 2026-08-02 01:19:48 |
| Status | A | ULS 4360015 | 2026-08-02 01:19:48 |
| Service | IG | ULS 4360015 | 2026-08-02 01:19:48 |
| Grant Date | 2020-12-03 | ULS 4360015 | 2026-08-02 01:19:48 |
| Expiration Date | 2030-12-03 | ULS 4360015 | 2026-08-02 01:19:48 |