FCC.reportPublic regulatory filings
FCC Registration Number

FRN 0017947094

eInstruction GTCO Holdings LLC

CORES registration

Entity name
eInstruction GTCO Holdings LLC
Entity type
Federal Agency , Administration
Registration date
2008-07-14
Contact organization
eInstruction GTCO Holdings LLC
Contact position
Director
Contact name
Dana Doubrava
Contact address
8224 E Evans RD, Scottsdale,, AZ 85260, United States
Contact email
[email protected]
CORES status
available
Last checked
2026-09-01 01:14:03

Connected companies

CompanyRelationshipSourceConfidence
eInstruction CorporationregistrantCORES100.0%
eInstruction CorporationapplicantFCCID95.0%
eInstruction CorporationregistrantFCCID100.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(480) 443-2287Dana Doubrava DirectorCORES100.0%

FCC ID filings

DateFCC IDModelApplicant
2011-12-27CTW-IRTBDIRTBDeInstruction Corporation
2009-03-03CTW-MOBIMOBIeInstruction Corporation
2008-07-14CTW-BTLRBTLReInstruction Corporation
2007-08-23CTW-H2H2eInstruction Corporation
2007-08-20CTW-R2R2eInstruction Corporation
2006-01-23CTW-RFREMRFREMeInstruction Corporation
2006-01-20CTW-RFHUBRFHUBeInstruction Corporation
2005-11-29CTW-RPNRPNeInstruction Corporation
2002-11-26CTW-BTCOMBTCOMeInstruction Corporation
2002-08-15CTWBTMPBTMPeInstruction Corporation
1996-02-26CTW-CC1CC1eInstruction Corporation
1996-02-20CTW-CS1CS1eInstruction Corporation
1996-02-20CTW-TYPE15TYPE15eInstruction Corporation
1994-12-12CTW-ACCUPROBEACCUPROBEeInstruction Corporation
1994-03-09CTW-QUIKRULERQUIKRULEReInstruction Corporation
1992-11-18CTW-TYPE12TYPE12eInstruction Corporation
1992-10-08CTW-ULTIMAULTIMAeInstruction Corporation
1991-10-28CTW-RUD3036RUD3036eInstruction Corporation
1989-05-25CTW7YALCD12127YALCD1212eInstruction Corporation
1989-03-21CTW7YALCD12187YALCD1218eInstruction Corporation
1985-11-25CTW7YADP5A1111A7YADP5A1111AeInstruction Corporation
1984-02-02CTW7YA30A917YA30A91eInstruction Corporation
1984-01-03CTW7YA30A907YA30A90eInstruction Corporation
1983-03-15CTW7YA30A097YA30A09eInstruction Corporation
1983-03-15CTW7YA30A037YA30A03eInstruction Corporation

Source provenance

SystemRecordRecorded nameRaw FRNObserved
FCCIDptJCxTFM2I7lzkEVlnOZfA==:CTW7YALCD1218eInstruction Corporation00179470942026-09-15 06:15:54
FCCIDnoTFG+RJ+quXTeE18EE0kQ==:CTW7YALCD1212eInstruction Corporation00179470942026-09-11 04:15:26
FCCIDMS1z5/SIKWFUa1yphYULqw==:CTW7YA30A91eInstruction Corporation00179470942026-09-10 01:15:26
FCCIDmnbsgo7MR7BMdKhZ+DT9sQ==:CTW-RFREMeInstruction Corporation00179470942026-09-09 20:15:35
FCCIDkusUiNefHd9soeZeD1XM4Q==:CTWBTMPeInstruction Corporation00179470942026-09-05 07:45:16
CORES0017947094eInstruction GTCO Holdings LLC00179470942026-09-01 01:14:03
FCCIDjJaVebGoiMZg7XMsPqpGCA==:CTW-CC1eInstruction Corporation00179470942026-08-30 06:44:58
FCCIDInF9XlZBr/7n8l7U0m2crQ==:CTW-R2eInstruction Corporation00179470942026-08-28 10:14:38
FCCIDgqMrZsIzQM+nPCZEZMuEkw==:CTW-MOBIeInstruction Corporation00179470942026-08-22 12:44:05
FCCIDgNqEOht+ZviWZgSIH7BBSg==:CTW-BTCOMeInstruction Corporation00179470942026-08-22 09:14:01
FCCIDG7kx737cpEvrDKrWF1sqiw==:CTW-RPNeInstruction Corporation00179470942026-08-21 17:13:58
FCCIDehV8R1Pw6wphmQgngYfZyw==:CTW7YA30A90eInstruction Corporation00179470942026-08-17 22:49:22
FCCIDcn85OQq2Fiqj4SQoSUzk/g==:CTW-BTLReInstruction Corporation00179470942026-08-14 02:49:05
FCCID8C7b0IJ9K06OlYiPYYKq7Q==:CTW-ULTIMAeInstruction Corporation00179470942026-08-08 09:48:40
FCCID5Mkn1j3v0xopBXiWq3cXHQ==:CTW7YA30A03eInstruction Corporation00179470942026-08-06 08:48:30
FCCID440583eInstruction Corporation00179470942026-08-05 18:18:25
FCCID4+hAUBLRRLv/qelV/4hfaA==:CTW-RFHUBeInstruction Corporation00179470942026-08-05 10:18:26
FCCID3oCafah0hbJjkJDb6p+z+g==:CTW-QUIKRULEReInstruction Corporation00179470942026-08-05 05:48:27
FCCID1O+Mp37K9nrC/gBON1REaA==:CTW-CS1eInstruction Corporation00179470942026-08-03 19:48:19
FCCID0L5g3a26HzJt/eKL0EPvdw==:CTW7YA30A09eInstruction Corporation00179470942026-08-02 22:18:19
FCCID0BkFAJYkILrKrePfB57KnA==:CTW-RUD3036eInstruction Corporation00179470942026-08-02 08:48:17

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