SECOR-1

SECOR-series
satellites

SECOR-(1)
SECOR-1SECOR-(1)

This page contains philatelic information on the SECOR (SEquential COllation of Range) series satellites. Catalog numbers, years of issue, and notes on the satellites featured are given when available. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.

The SECOR series is also known as the EGRS (Electronic and Geodetic Ranging Satellite) series.

Launch information
(found elsewhere)
Launch covers
(including anniversary-of-launch covers, and launch-related event covers)
(farther below)
Other postal items
(stamps, souvenir sheets, aerogrammes, postal cards, etc.)
(immediately below)
SECOR SECOR SECOR


Below is a list of SECOR-series satellite postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
SECOR
No (non-launch cover) postal items found


Below is a list of SECOR-series satellite launch covers (including anniversary-of-launch covers, and launch-related event covers).

CountryCancel DateCancel LocationType of ItemNotes on Content
SECOR
1962-01-24: SECOR-(1) (and Injun-2 and SolRad-4A and SurCal-1 and LOFTI-2A)
United States1962-01-24Patrick AFB, FL(SpaceCraft/Swanson) cachet on cover, also insertSECOR-(1) launch
United States1962-01-24Patrick AFB, FL(typed/small picture/rubber-stamp) cachet on coverSECOR-(1) launch
1965-03-11: SECOR-2 (and TRANSIT-O3)
United States1965-03-11Vandenberg AFB, CA(Goldcraft?) cachet on coverSECOR-2 launch
United States1965-03-11Vandenberg AFB, CA(Sarzin?) cachet on coverSECOR-2 launch
1965-03-09: SECOR-3 (and OSCAR-3 and SolRad-7B and Dodecapole-1 and Poppy-4 and SurCal-4)
No launch cover images available yet
1965-04-03: SECOR-4 (and Snapshot)
United States1965-04-03Vandenberg AFB, CA(SpaceCraft/Swanson) cachet on cover, also insertSECOR-4 launch
United States1965-04-03Vandenberg AFB, CA(Sarzin) cachet on coverSECOR-4 launch
1965-08-10: SECOR-5 (and SEV)
United States1965-08-10Wallops Island VA(Sarzin) cachet on coverSECOR-5 launch
1966-10-05: SECOR-8 (and RTS-1-3)
United States1966-10-05Vandenberg AFB, CA(Swanson purple rubber-stamp) cachet on coverSECOR-8 launch
1967-06-29: SECOR-9 (and Aurora)
United States1967-06-29Vandenberg AFB, CA(Swanson red rubber-stamp) cachet on coverSECOR-9 launch
1968-05-18: SECOR-10 (and Nimbus-B) [failed]
United States1968-05-18Vandenberg AFB, CA(Swanson/DuBeau? blue rubber-stamp) cachet on coverSECOR-10 launch [failed]
United States1968-05-18Vandenberg AFB, CA(Swanson/DuBeau? black rubber-stamp) cachet on coverSECOR-10 launch [failed]
1968-08-16: SECOR-11/12 (and LCS-3 and OV5-8 and Orbiscal-1 and Mylar Balloon and Rigidsphere and Gridsphere-1/2 and 3 others) [failed]
United States1968-08-16Vandenberg AFB, CA(Centennial black rocket, type-1) cachet on coverSECOR-11/12 launch [failed]
1969-04-13: SECOR-13 (and Nimbus-3)
United States1969-04-13Vandenberg AFB, CA(SpaceCraft/Swanson) cachet on cover, also insertSECOR-13 launch
United States1969-04-13Lompoc CA, Vandenberg AFB(SpaceCraft/Swanson) cachet on cover, also insertSECOR-13 launch
United States1969-04-13Vandenberg AFB, CA(Sarzin) cachet on coverSECOR-13 launch
United States1969-04-13Vandenberg AFB, CA(Centennial brown rocket, type-2 and black text) cachet on coverSECOR-13 launch
United States1969-04-13Vandenberg AFB, CA(Swanson/DuBeau? blue rubber-stamp) cachet on coverSECOR-13 launch
United States1969-04-14Vandenberg AFB, CA(Orbit Covers) cachet on coverSECOR-13 launch; also Argos
United States1969-04-14Vandenberg AFB, CA(NORAD tracking station red and blue rubber-stamp) cachets on coverSECOR-13 launch


Back to Navigation satellites.
Back to Un-Manned Satellite Philately.



Copyright © 2017-2018, Colorado State University. All rights reserved.
This Website created and maintained by Don Hillger and Garry Toth.
Updated: 2018-01-15