Universal Licensing System
KNJB945
RADIO COMMUNICATIONS CO/ RCSYSTEMS
License details
| ULS identifier | 1629011 |
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| Call sign | KNJB945 |
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| Radio service | IK |
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| Status | A |
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| Grant date | 2017-05-02 |
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| Expiration | 2027-05-20 |
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| Frequency range | 464.025 - 469.025 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | WATERLOO, BLACK HAWK, IA |
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| Coordinates | 42.4458333, -92.3749167 |
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| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-02 00:43:23 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB6C | 464.02500000 | | | 100.000000 | 300.000000 | |
| 3 | 1 | MO | 464.02500000 | | | 100.000000 | | |
| 1 | 1 | FX1 | 469.02500000 | | | 35.000000 | | |
| 3 | 1 | MO | 469.02500000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 464.02500000 | | 11K0F3E |
| 3 | 1 | 464.02500000 | | 11K0F3E |
| 1 | 1 | 469.02500000 | | 11K0F3E |
| 3 | 1 | 469.02500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | IA | | | | | |
| 2 | T | 4719 ANSBOROUGH, WATERLOO, BLACK HAWK, IA | 42.44583333, -92.37491667 | 287.000 m | | 133.000 m structure | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 128.000 m | | | | 0.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 3 | 1657 Falls Ave, Waterloo, IA | BLACK HAWK | 3192343511 |
License history
| Date | File or call sign | Action |
|---|
| 2017-05-02 | KNJB945 | LIREN |
| 2017-02-27 | KNJB945 | LETRES |
| 2014-08-05 | KNJB945 | LIMOD |
| 2010-08-25 | KNJB945 | LIMOD |
| 2010-08-12 | KNJB945 | ESCAPR |
| 2007-04-24 | KNJB945 | LIREN |
| 2007-02-26 | KNJB945 | LETRES |
| 2000-11-23 | KNJB945 | LICCNV |
| 1997-07-01 | KNJB945 | AUTHPR |
| 1997-07-01 | KNJB945 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1629011 | 2026-08-02 00:43:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNJB945 | ULS 1629011 | 2026-08-02 00:43:23 |
| Status | A | ULS 1629011 | 2026-08-02 00:43:23 |
| Service | IK | ULS 1629011 | 2026-08-02 00:43:23 |
| Grant Date | 2017-05-02 | ULS 1629011 | 2026-08-02 00:43:23 |
| Expiration Date | 2027-05-20 | ULS 1629011 | 2026-08-02 00:43:23 |