Universal Licensing System
WPKN665
RADIO SYSTEMS INC
License details
| ULS identifier | 1749071 |
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| Call sign | WPKN665 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-05-22 |
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| Expiration | 2012-05-22 |
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| Cancellation | 2012-07-28 |
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| Frequency range | 463.275 - 468.275 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | TUCSON, PIMA, AZ |
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| Coordinates | 32.4417500, -110.7814722 |
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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 | 5205713688 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB4 | 463.27500000 | | | 90.000000 | 223.000000 | |
| 2 | 1 | MO | 463.27500000 | | | 50.000000 | | |
| 2 | 1 | MO | 468.27500000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.27500000 | | 20K0F3E |
| 2 | 1 | 463.27500000 | | 20K0F3E |
| 2 | 1 | 468.27500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MOUNT LEMMON RADIO RIDGE, TUCSON, PIMA, AZ | 32.44175000, -110.78147222 | 2774.000 m | TOWER | 55.000 m structure / 61.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 61.000 m | | | | 0.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3120 E BEHAN, TUCSON, AZ | | 5205713688 |
License history
| Date | File or call sign | Action |
|---|
| 2012-07-28 | WPKN665 | LIEXP |
| 2012-02-27 | WPKN665 | LETRES |
| 2002-05-22 | WPKN665 | LIREN |
| 2002-02-19 | WPKN665 | LETRES |
| 2001-10-26 | WPKN665 | AUDOPR |
| 2000-11-23 | WPKN665 | LICCNV |
| 1997-05-15 | WPKN665 | LIISS |
| 1997-05-15 | WPKN665 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1749071 | 2026-08-02 01:14:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKN665 | ULS 1749071 | 2026-08-02 01:14:45 |
| Status | E | ULS 1749071 | 2026-08-02 01:14:45 |
| Service | IG | ULS 1749071 | 2026-08-02 01:14:45 |
| Grant Date | 2002-05-22 | ULS 1749071 | 2026-08-02 01:14:45 |
| Expiration Date | 2012-05-22 | ULS 1749071 | 2026-08-02 01:14:45 |
| Cancellation Date | 2012-07-28 | ULS 1749071 | 2026-08-02 01:14:45 |