Universal Licensing System

WLC781

MCI WORLDCOM NETWORK SERVICES INC

License details

ULS identifier988681
Call signWLC781
Radio serviceCF
StatusE
Grant date1998-06-15
Expiration2001-02-01
Cancellation2001-05-06
Frequency range11135 - 17720 MHz (2 frequencies)
Locations3
Representative locationRICHARDSON, DALLAS, TX
Coordinates32.9542778, -96.7077500
Source archivel_micro.zip
Dataset refreshed2026-09-14 16:59:04

Licensee

NameMCI WORLDCOM NETWORK SERVICES INC
Applicant typeC
LocationRICHARDSON, TX
Address2270 LAKESIDE DR, RICHARDSON, TX, 75082

Frequency assignments

LocationAntennaStation classAssigned MHzUpper MHzCarrier MHzOutput WERP WAltitude
11FXO11135.00000000
12FXO17720.00000000

Emission designators

LocationAntennaFrequency MHzUpper MHzEmission
1111135.0000000040M0F7W
1217720.0000000040M0F7D

Licensed locations

LocationTypeAddressCoordinatesGround elevationStructureHeightNEPA
1T400 INTERNATIONAL PKWY, RICHARDSON, DALLAS, TX32.95427778, -96.70775000196.600 m25.600 m overall
2R32.92316667, -96.77055556173.700 m
3R32.95650000, -96.71247222201.200 m

Antennas

LocationAntennaTypeMake / modelHeightPolarizationGain dBAzimuthRadiation centerMaximum EIRP W
11TV46.5000239.6000
12R44.0000
13R39.5000
21TV39.5000299.2000

License history

DateFile or call signAction
2001-05-06WLC781LIEXP
2000-11-13WLC781LETRES
1999-08-13WLC781LICCNV
1999-04-26WLC781COR
1999-02-11WLC781LITRAN
1998-06-15WLC781LIMOD
1994-04-12WLC781LIMOD
1993-12-09WLC781LIMOD
1993-09-09WLC781LIMOD
1991-04-01WLC781LIREN
1990-10-01WLC781LIMOD
1990-05-01WLC781LIMOD
1990-04-20WLC781LIMOD
1990-04-03WLC781LIMOD
1988-07-28WLC781LIMOD
1988-02-25WLC781LIMOD
1986-11-19WLC781APGRT

Sources and provenance

SourceSource recordRetrievedMatch
ULS9886812026-08-31 20:51:05Source Primary
Selected field provenance
FieldDisplayed valueSourceObserved
Applicant NameMCI WORLDCOM NETWORK SERVICES INCULS 9886812026-08-31 20:59:03
Call SignWLC781ULS 9886812026-08-31 20:59:03
Cancellation Date2001-05-06ULS 9886812026-08-31 20:59:03
Description9706011ULS 9886812026-08-31 20:59:03
Expiration Date2001-02-01ULS 9886812026-08-31 20:59:03
Filed Date1998-06-15ULS 9886812026-08-31 20:59:03
Grant Date1998-06-15ULS 9886812026-08-31 20:59:03
ServiceCFULS 9886812026-08-31 20:59:03
Source Archivel_micro.zipULS 9886812026-08-31 20:59:03
StatusEULS 9886812026-08-31 20:59:03

Related FCC records

System or typeRecordRelationship
COMPANYMCI WORLDCOM NETWORK SERVICES, INCFiled By