Universal Licensing System
KNNF494
MCI Communications Inc.
License details
| ULS identifier | 1877712 |
|---|
| Call sign | KNNF494 |
|---|
| Radio service | IG |
|---|
| Status | C |
|---|
| Grant date | 2005-09-23 |
|---|
| Expiration | 2015-12-13 |
|---|
| Cancellation | 2012-05-11 |
|---|
| Frequency range | 462.525 - 467.525 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | FREDERICK, FREDERICK, MD |
|---|
| Coordinates | 39.3306667, -77.5244444 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:13:20 |
|---|
Licensee
| Name | MCI Communications Inc. |
|---|
| Applicant type | C |
|---|
| Location | Irving, TX |
|---|
| Address | 2400 N. Glenville Drive, Dept/Loc 71216/107, Irving, TX, 75015 |
|---|
| Phone | 9727184599 |
|---|
| Email | [email protected] |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2C | 462.52500000 | | | 85.000000 | 213.000000 | |
| 2 | 1 | MO | 462.52500000 | | | 40.000000 | | |
| 2 | 1 | MO | 467.52500000 | | | 40.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.52500000 | | 20K0F3E |
| 2 | 1 | 462.52500000 | | 20K0F3E |
| 2 | 1 | 467.52500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4401 MAR LU RIDGE RD, FREDERICK, FREDERICK, MD | 39.33066667, -77.52444444 | 255.000 m | TOWER | 101.000 m structure | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 64.000 m | | | | 191.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 12369 SUNRISE VALLEY DR, RESTON, VA | | 7036488000 |
License history
| Date | File or call sign | Action |
|---|
| 2012-05-12 | KNNF494 | LICAN |
| 2012-05-11 | KNNF494 | ESUAPR |
| 2006-01-06 | KNNF494 | LITRAN |
| 2005-12-31 | KNNF494 | LIASS |
| 2005-09-23 | KNNF494 | LIREN |
| 2005-09-19 | KNNF494 | LETRES |
| 2005-09-19 | KNNF494 | ESUAPR |
| 2005-06-08 | KNNF494 | LIAUA |
| 2005-06-07 | KNNF494 | ESUAPR |
| 2005-05-02 | KNNF494 | ESCAPR |
| 2005-03-11 | KNNF494 | ESUAPR |
| 2004-04-20 | KNNF494 | LIASS |
| 2003-02-12 | KNNF494 | LIAUA |
| 2003-01-15 | KNNF494 | LIAUA |
| 2003-01-14 | KNNF494 | LIAUA |
| 2002-07-21 | KNNF494 | LIASS |
| 2002-02-26 | KNNF494 | AUDOPR |
| 2001-03-07 | KNNF494 | LIAUA |
| 2000-11-24 | KNNF494 | LICCNV |
| 2000-11-07 | KNNF494 | LIREN |
| 2000-11-07 | KNNF494 | AUTHPR |
| 2000-09-20 | KNNF494 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1877712 | 2026-08-02 01:13:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNF494 | ULS 1877712 | 2026-08-02 01:13:20 |
| Status | C | ULS 1877712 | 2026-08-02 01:13:20 |
| Service | IG | ULS 1877712 | 2026-08-02 01:13:20 |
| Grant Date | 2005-09-23 | ULS 1877712 | 2026-08-02 01:13:20 |
| Expiration Date | 2015-12-13 | ULS 1877712 | 2026-08-02 01:13:20 |
| Cancellation Date | 2012-05-11 | ULS 1877712 | 2026-08-02 01:13:20 |