Universal Licensing System
WRKB258
Tama, County of
License details
| ULS identifier | 4360096 |
|---|
| Call sign | WRKB258 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2020-12-03 |
|---|
| Expiration | 2030-12-03 |
|---|
| Frequency range | 6315.84 - 6404.79 MHz (4 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | Garwin, TAMA, IA |
|---|
| Coordinates | 42.0953333, -92.7076944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:11 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 3 | FXO | 6345.49000000 | | | | | |
| 1 | 3 | FXO | 6345.49000000 | | | | | |
| 1 | 3 | FXO | 6345.49000000 | | | | | |
| 1 | 3 | FXO | 6345.49000000 | | | | | |
| 1 | 3 | FXO | 6345.49000000 | | | | | |
| 1 | 2 | FXO | 6375.14000000 | | | | | |
| 1 | 2 | FXO | 6375.14000000 | | | | | |
| 1 | 2 | FXO | 6375.14000000 | | | | | |
| 1 | 2 | FXO | 6375.14000000 | | | | | |
| 1 | 2 | FXO | 6375.14000000 | | | | | |
| 1 | 3 | FXO | 6404.79000000 | | | | | |
| 1 | 3 | FXO | 6404.79000000 | | | | | |
| 1 | 3 | FXO | 6404.79000000 | | | | | |
| 1 | 3 | FXO | 6404.79000000 | | | | | |
| 1 | 3 | FXO | 6404.79000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 3 | 6345.49000000 | | 30M0D7W |
| 1 | 3 | 6345.49000000 | | 30M0D7W |
| 1 | 3 | 6345.49000000 | | 30M0D7W |
| 1 | 3 | 6345.49000000 | | 30M0D7W |
| 1 | 3 | 6345.49000000 | | 30M0D7W |
| 1 | 2 | 6375.14000000 | | 30M0D7W |
| 1 | 2 | 6375.14000000 | | 30M0D7W |
| 1 | 2 | 6375.14000000 | | 30M0D7W |
| 1 | 2 | 6375.14000000 | | 30M0D7W |
| 1 | 2 | 6375.14000000 | | 30M0D7W |
| 1 | 3 | 6404.79000000 | | 30M0D7W |
| 1 | 3 | 6404.79000000 | | 30M0D7W |
| 1 | 3 | 6404.79000000 | | 30M0D7W |
| 1 | 3 | 6404.79000000 | | 30M0D7W |
| 1 | 3 | 6404.79000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Highway T47, Garwin, TAMA, IA | 42.09533333, -92.70769444 | 316.700 m | LTOWER | 79.200 m structure / 82.300 m overall | |
| 2 | R | | 42.15969444, -92.45605556 | 295.400 m | | | |
| 3 | R | | 42.03469444, -92.56325000 | 311.000 m | | | |
| 4 | R | | 42.00583333, -92.89416667 | 304.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS DA8-59A | | H | 41.6000 | 71.0000 | | |
| 1 | 2 | R | RFS DA8-59A | | | 41.6000 | | | |
| 1 | 3 | R | RADIO WAVES INC. HP6-59 | | | 39.0000 | | | |
| 1 | 4 | R | RADIO WAVES INC. HP6-59 | | | 39.0000 | | | |
| 2 | 1 | T | RADIO WAVES INC. HP6-59 | | V | 39.0000 | 119.3000 | | |
| 3 | 1 | T | RADIO WAVES INC. HP6-59 | | H | 39.0000 | 237.3000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-12-15 | WRKB258 | LIAUA |
| 2020-12-03 | WRKB258 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4360096 | 2026-08-02 02:47:11 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKB258 | ULS 4360096 | 2026-08-02 02:47:11 |
| Status | A | ULS 4360096 | 2026-08-02 02:47:11 |
| Service | MW | ULS 4360096 | 2026-08-02 02:47:11 |
| Grant Date | 2020-12-03 | ULS 4360096 | 2026-08-02 02:47:11 |
| Expiration Date | 2030-12-03 | ULS 4360096 | 2026-08-02 02:47:11 |