Universal Licensing System
KRF840
MESA UNIFIED SCHOOL DISTRICT 4
License details
| ULS identifier | 1637510 |
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| Call sign | KRF840 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2005-03-23 |
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| Expiration | 2015-04-18 |
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| Cancellation | 2015-02-02 |
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| Frequency range | 463.2 - 468.2 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | MESA, MARICOPA, AZ |
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| Coordinates | 33.4047778, -111.8293056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:54 |
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Licensee
| Name | MESA UNIFIED SCHOOL DISTRICT 4 |
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| Applicant type | G |
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| FRN | 0001591619 |
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| Location | MESA, AZ |
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| Address | 555 S LEWIS ST, MESA, AZ, 85210 |
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| Phone | 4804726050 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 463.20000000 | | | 100.000000 | 257.000000 | |
| 2 | 1 | FX1 | 468.20000000 | | | 36.000000 | 36.000000 | |
| 3 | 1 | MO | 468.20000000 | | | 36.000000 | 36.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.20000000 | | 11K2F3E |
| 1 | 1 | 463.20000000 | | 20K0F3E |
| 1 | 1 | 463.20000000 | | 11K2F1D |
| 2 | 1 | 468.20000000 | | 11K2F1D |
| 2 | 1 | 468.20000000 | | 11K2F3E |
| 2 | 1 | 468.20000000 | | 20K0F3E |
| 3 | 1 | 468.20000000 | | 11K2F3E |
| 3 | 1 | 468.20000000 | | 11K2F1D |
| 3 | 1 | 468.20000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 555 S LEWIS, MESA, MARICOPA, AZ | 33.40477778, -111.82930556 | 376.000 m | | | N |
| 2 | T | AZ | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 52.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 555 S. LEWIS, MESA, AZ | | 4804726050 |
License history
| Date | File or call sign | Action |
|---|
| 2015-02-03 | KRF840 | LICAN |
| 2015-01-26 | KRF840 | LETRES |
| 2014-01-07 | KRF840 | LTSAPR |
| 2014-01-07 | KRF840 | LIAUA |
| 2014-01-06 | KRF840 | EFCAPR |
| 2014-01-06 | KRF840 | ESCAPR |
| 2011-05-12 | KRF840 | LIMOD |
| 2005-03-23 | KRF840 | LIREN |
| 2005-03-21 | KRF840 | LETRES |
| 2001-11-19 | KRF840 | AUDOPR |
| 2000-11-23 | KRF840 | LICCNV |
| 2000-04-18 | KRF840 | LIREN |
| 2000-04-18 | KRF840 | AUTHPR |
| 2000-01-18 | KRF840 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1637510 | 2026-08-02 01:17:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KRF840 | ULS 1637510 | 2026-08-02 01:17:54 |
| Status | C | ULS 1637510 | 2026-08-02 01:17:54 |
| Service | IG | ULS 1637510 | 2026-08-02 01:17:54 |
| Grant Date | 2005-03-23 | ULS 1637510 | 2026-08-02 01:17:54 |
| Expiration Date | 2015-04-18 | ULS 1637510 | 2026-08-02 01:17:54 |
| Cancellation Date | 2015-02-02 | ULS 1637510 | 2026-08-02 01:17:54 |