Universal Licensing System
WPKR780
RADIO SYSTEMS INC
License details
| ULS identifier | 1750700 |
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| Call sign | WPKR780 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-06-25 |
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| Expiration | 2012-06-25 |
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| Cancellation | 2012-08-25 |
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| Frequency range | 461.125 - 469.75 MHz (10 frequencies) |
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| Locations | 2 |
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| Representative location | TUCSON, PIMA, AZ |
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| Coordinates | 32.1520278, -110.9259167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:45 |
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Licensee
| Name | RADIO SYSTEMS INC |
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| Applicant type | C |
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| FRN | 0005762448 |
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| Location | TUCSON, AZ |
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| Address | TUCSON, AZ, 85726 |
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| Phone | 5206233100 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 461.12500000 | | | 90.000000 | 500.000000 | |
| 2 | 1 | MO | 461.12500000 | | | 50.000000 | | |
| 1 | 1 | FB6 | 463.57500000 | | | 90.000000 | 500.000000 | |
| 2 | 1 | MO | 463.57500000 | | | 50.000000 | | |
| 1 | 1 | FB6 | 463.72500000 | | | 90.000000 | 500.000000 | |
| 2 | 1 | MO | 463.72500000 | | | 50.000000 | | |
| 1 | 1 | FB6 | 464.07500000 | | | 90.000000 | 500.000000 | |
| 2 | 1 | MO | 464.07500000 | | | 50.000000 | | |
| 1 | 1 | FB6 | 464.75000000 | | | 90.000000 | 500.000000 | |
| 2 | 1 | MO | 464.75000000 | | | 50.000000 | | |
| 2 | 1 | MO | 466.12500000 | | | 50.000000 | | |
| 2 | 1 | MO | 468.57500000 | | | 50.000000 | | |
| 2 | 1 | MO | 468.72500000 | | | 50.000000 | | |
| 2 | 1 | MO | 469.07500000 | | | 50.000000 | | |
| 2 | 1 | MO | 469.75000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.12500000 | | 20K0F3E |
| 2 | 1 | 461.12500000 | | 20K0F3E |
| 1 | 1 | 463.57500000 | | 20K0F3E |
| 2 | 1 | 463.57500000 | | 20K0F3E |
| 1 | 1 | 463.72500000 | | 20K0F3E |
| 2 | 1 | 463.72500000 | | 20K0F3E |
| 1 | 1 | 464.07500000 | | 20K0F3E |
| 2 | 1 | 464.07500000 | | 20K0F3E |
| 1 | 1 | 464.75000000 | | 20K0F3E |
| 2 | 1 | 464.75000000 | | 20K0F3E |
| 2 | 1 | 466.12500000 | | 20K0F3E |
| 2 | 1 | 468.57500000 | | 20K0F3E |
| 2 | 1 | 468.72500000 | | 20K0F3E |
| 2 | 1 | 469.07500000 | | 20K0F3E |
| 2 | 1 | 469.75000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5505 S COUNTRY CLUB, TUCSON, PIMA, AZ | 32.15202778, -110.92591667 | 789.000 m | TOWER | 74.000 m structure / 77.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 58.000 m | | | | 43.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3120 E BEHAN, TUCSON, AZ | | 5206233100 |
License history
| Date | File or call sign | Action |
|---|
| 2012-08-25 | WPKR780 | LIEXP |
| 2012-04-02 | WPKR780 | LETRES |
| 2002-06-25 | WPKR780 | LIREN |
| 2002-03-25 | WPKR780 | LETRES |
| 2001-10-26 | WPKR780 | AUDOPR |
| 2000-11-23 | WPKR780 | LICCNV |
| 1997-06-19 | WPKR780 | AUTHPR |
| 1997-06-19 | WPKR780 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1750700 | 2026-08-02 01:14:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKR780 | ULS 1750700 | 2026-08-02 01:14:45 |
| Status | E | ULS 1750700 | 2026-08-02 01:14:45 |
| Service | IG | ULS 1750700 | 2026-08-02 01:14:45 |
| Grant Date | 2002-06-25 | ULS 1750700 | 2026-08-02 01:14:45 |
| Expiration Date | 2012-06-25 | ULS 1750700 | 2026-08-02 01:14:45 |
| Cancellation Date | 2012-08-25 | ULS 1750700 | 2026-08-02 01:14:45 |