Universal Licensing System
KNHB503
MAHASKA COUNTY E911 CENTER
License details
| ULS identifier | 1270060 |
|---|
| Call sign | KNHB503 |
|---|
| Radio service | PW |
|---|
| Status | E |
|---|
| Grant date | 2013-02-21 |
|---|
| Expiration | 2023-05-20 |
|---|
| Cancellation | 2023-07-22 |
|---|
| Frequency range | 154.8 - 155.91 MHz (7 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | OSKALOOSA, MAHASKA, IA |
|---|
| Coordinates | 41.3097222, -92.6482500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:45 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 9 | 1 | FX1S | 154.80000000 | | | 50.000000 | 100.000000 | |
| 10 | 1 | MO | 154.80000000 | | | 110.000000 | 110.000000 | |
| 1 | 4 | FB | 155.01000000 | | | 110.000000 | 330.000000 | |
| 9 | 1 | FBS | 155.01000000 | | | 50.000000 | 100.000000 | |
| 10 | 1 | MO | 155.01000000 | | | 110.000000 | 110.000000 | |
| 1 | 3 | FB | 155.37000000 | | | 110.000000 | 330.000000 | |
| 9 | 1 | FBS | 155.37000000 | | | 50.000000 | 100.000000 | |
| 1 | 3 | FB | 155.47500000 | | | 110.000000 | 330.000000 | |
| 9 | 1 | FBS | 155.47500000 | | | 50.000000 | 100.000000 | |
| 10 | 1 | MO | 155.47500000 | | | 110.000000 | 110.000000 | |
| 1 | 3 | FB | 155.53500000 | | | 110.000000 | 330.000000 | |
| 9 | 1 | FBS | 155.53500000 | | | 50.000000 | 100.000000 | |
| 9 | 1 | FBS | 155.85000000 | | | 50.000000 | 100.000000 | |
| 10 | 1 | MO | 155.85000000 | | | 110.000000 | 110.000000 | |
| 10 | 1 | MO | 155.91000000 | | | 110.000000 | 110.000000 | |
| 1 | 1 | FXO | 452.80000000 | | | 4.000000 | 35.000000 | |
| 1 | 2 | FXO | 452.87500000 | | | 4.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 9 | 1 | 154.80000000 | | 11K2F3E |
| 10 | 1 | 154.80000000 | | 11K2F3E |
| 1 | 4 | 155.01000000 | | 11K2F3E |
| 9 | 1 | 155.01000000 | | 11K2F3E |
| 10 | 1 | 155.01000000 | | 11K2F3E |
| 1 | 3 | 155.37000000 | | 11K2F3E |
| 9 | 1 | 155.37000000 | | 11K2F3E |
| 1 | 3 | 155.47500000 | | 11K2F3E |
| 9 | 1 | 155.47500000 | | 11K2F3E |
| 10 | 1 | 155.47500000 | | 11K2F3E |
| 1 | 3 | 155.53500000 | | 11K2F3E |
| 9 | 1 | 155.53500000 | | 11K2F3E |
| 9 | 1 | 155.85000000 | | 11K2F3E |
| 10 | 1 | 155.85000000 | | 11K2F3E |
| 10 | 1 | 155.91000000 | | 11K2F3E |
| 1 | 1 | 452.80000000 | | 11K2F3E |
| 1 | 2 | 452.87500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | N E ST & TRUEBLOOD AVE, OSKALOOSA, MAHASKA, IA | 41.30972222, -92.64825000 | 260.000 m | | 55.000 m structure / 55.000 m overall | N |
| 9 | T | 106 S 1ST ST, OSKALOOSA, MAHASKA, IA | 41.28500000, -92.66519444 | 250.000 m | | 15.000 m structure / 15.000 m overall | N |
| 10 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | | |
| 1 | 9 | T | | 20.000 m | | | | | |
| 1 | 10 | T | | | | | | | |
| 2 | 1 | T | | 16.000 m | | | | | |
| 3 | 1 | T | | 55.000 m | | | | | |
| 4 | 1 | T | | 61.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 214 HIGH STREET EAST, OSKALOOSA, IA | MAHASKA | 6416730347 |
License history
| Date | File or call sign | Action |
|---|
| 2023-07-22 | KNHB503 | LIEXP |
| 2023-05-10 | KNHB503 | ESURNW |
| 2023-04-20 | KNHB503 | ESURNW |
| 2023-03-21 | KNHB503 | ESURNW |
| 2023-02-27 | KNHB503 | LETRES |
| 2020-03-18 | KNHB503 | LIAUA |
| 2020-03-14 | KNHB503 | LIAUA |
| 2016-03-17 | KNHB503 | LIMOD |
| 2013-02-21 | KNHB503 | LIREN |
| 2013-02-19 | KNHB503 | ESURNW |
| 2010-12-08 | KNHB503 | LIMOD |
| 2003-09-26 | KNHB503 | LIMOD |
| 2003-05-08 | KNHB503 | LIREN |
| 2003-03-03 | KNHB503 | LETRES |
| 2001-10-05 | KNHB503 | AUDOPR |
| 2000-10-20 | KNHB503 | LICCNV |
| 1998-05-21 | KNHB503 | AUTHPR |
| 1998-05-21 | KNHB503 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1270060 | 2026-08-02 01:10:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNHB503 | ULS 1270060 | 2026-08-02 01:10:45 |
| Status | E | ULS 1270060 | 2026-08-02 01:10:45 |
| Service | PW | ULS 1270060 | 2026-08-02 01:10:45 |
| Grant Date | 2013-02-21 | ULS 1270060 | 2026-08-02 01:10:45 |
| Expiration Date | 2023-05-20 | ULS 1270060 | 2026-08-02 01:10:45 |
| Cancellation Date | 2023-07-22 | ULS 1270060 | 2026-08-02 01:10:45 |