FCC.reportPublic regulatory filings
FCC Registration Number

FRN 0021101233

CORES registration

Registration date
2011-08-20
Contact name
Glen A Grotendorst
CORES status
available
Last checked
2026-08-05 19:48:49

Connected companies

CompanyRelationshipSourceConfidence
GROTENDORST, GLENregistrantCORES100.0%
GROTENDORST, GLENlicenseeULS100.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(386) 547-7033Data Flow Communications, LLC LULS100.0%

ULS licenses

Grant dateCall signServiceStatusLicensee
2022-11-22WQQQ714IGAGROTENDORST, GLEN
2021-11-13N4GAGHVAGrotendorst, Glen A
2021-07-27KK4EJHHACGrotendorst, Glen A
2021-01-21WRKL637ZAAGrotendorst, Glen A
2014-11-04WQUW779NNEData Flow Communications, LLC

Source provenance

SystemRecordRecorded nameRaw FRNObserved
CORES002110123300211012332026-08-05 19:48:49
ULS033c7f2aea243a7f478dab73a915e34d98e78b543c4f67d42f2dce1df967cd73Data Flow Communications, LLC00211012332026-08-05 19:18:31

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