Universal Licensing System
KNNK424
JRS PHARMA LP
License details
| ULS identifier | 1632097 |
|---|
| Call sign | KNNK424 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2021-03-10 |
|---|
| Expiration | 2031-03-19 |
|---|
| Frequency range | 451.9125 - 457.2 MHz (4 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | Cedar Rapids, LINN, IA |
|---|
| Coordinates | 41.9360833, -91.6455278 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:19:04 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB2 | 451.91250000 | | | 45.000000 | 90.000000 | |
| 3 | 1 | MO | 451.91250000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | FB2 | 452.20000000 | | | 45.000000 | 45.000000 | |
| 5 | 1 | MO | 452.20000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 456.91250000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MO | 457.20000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 464.52500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 451.91250000 | | 11K2F3E |
| 2 | 1 | 451.91250000 | | 7K60FXD |
| 2 | 1 | 451.91250000 | | 7K60FXE |
| 3 | 1 | 451.91250000 | | 7K60FXD |
| 3 | 1 | 451.91250000 | | 11K2F3E |
| 3 | 1 | 451.91250000 | | 7K60FXE |
| 4 | 1 | 452.20000000 | | 7K60FXE |
| 4 | 1 | 452.20000000 | | 11K2F3E |
| 4 | 1 | 452.20000000 | | 7K60FXD |
| 5 | 1 | 452.20000000 | | 7K60FXD |
| 5 | 1 | 452.20000000 | | 11K2F3E |
| 5 | 1 | 452.20000000 | | 7K60FXE |
| 3 | 1 | 456.91250000 | | 7K60FXD |
| 3 | 1 | 456.91250000 | | 11K2F3E |
| 3 | 1 | 456.91250000 | | 7K60FXE |
| 5 | 1 | 457.20000000 | | 7K60FXE |
| 5 | 1 | 457.20000000 | | 11K2F3E |
| 5 | 1 | 457.20000000 | | 7K60FXD |
| 1 | 1 | 464.52500000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Cedar Rapids, LINN, IA | 41.96944444, -91.66933333 | | | | N |
| 2 | T | 725 41st Dr. SW, Cedar Rapids, LINN, IA | 41.93608333, -91.64552778 | 234.000 m | B | 23.000 m structure / 25.000 m overall | N |
| 3 | T | | | | | | N |
| 4 | T | 801 1st St. SW, Cedar Rapids, LINN, IA | 41.96991667, -91.66772222 | 222.000 m | B | 12.200 m structure / 14.000 m overall | N |
| 5 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 25.000 m | | | | 16.800 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | 14.000 m | | | | -8.500 | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 801 1st Street, S.W., CEDAR RAPIDS, IA | LINN | 3193983830 |
| 2 | 725 41st DR SW, CEDAR RAPIDS, IA | LINN | 3193637222 |
License history
| Date | File or call sign | Action |
|---|
| 2021-03-10 | KNNK424 | LIREN |
| 2020-12-21 | KNNK424 | LETRES |
| 2018-09-12 | KNNK424 | LIMOD |
| 2011-03-24 | KNNK424 | AUTHPR |
| 2011-03-16 | KNNK424 | LIREN |
| 2011-03-16 | KNNK424 | LTSAPR |
| 2010-12-22 | KNNK424 | LETRES |
| 2009-01-22 | KNNK424 | LIMOD |
| 2008-11-05 | KNNK424 | LIASS |
| 2008-10-28 | KNNK424 | ESUAPR |
| 2001-10-25 | KNNK424 | AUDOPR |
| 2001-03-19 | KNNK424 | LIREN |
| 2000-11-28 | KNNK424 | LETRES |
| 2000-11-23 | KNNK424 | LICCNV |
| 1996-02-16 | KNNK424 | LIISS |
| 1996-02-16 | KNNK424 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1632097 | 2026-08-02 01:19:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNK424 | ULS 1632097 | 2026-08-02 01:19:04 |
| Status | A | ULS 1632097 | 2026-08-02 01:19:04 |
| Service | IG | ULS 1632097 | 2026-08-02 01:19:04 |
| Grant Date | 2021-03-10 | ULS 1632097 | 2026-08-02 01:19:04 |
| Expiration Date | 2031-03-19 | ULS 1632097 | 2026-08-02 01:19:04 |