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SDS / Quasar
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SDS / Quasar
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This page contains philatelic information on SDS (Satellite Data System) / Quasar series. 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.
| 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) |
|---|---|---|
| SDS / Quasar (NRO) | SDS / Quasar (NRO) | SDS / Quasar (NRO) |
| SDS (on other than SDS launch covers) |
Below is a list of SDS / Quasar-series postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).
| Country | Catalog Number | Type of Item | Year of Issue | Notes on Content |
|---|---|---|---|---|
| Satellite Data System (SDS) / Quasar (NRO) | ||||
| No (non-launch cover) postal items found | ||||
Below is a list of SDS / Quasar-series launch covers (including anniversary-of-launch covers, and launch-related event covers).
| Country | Cancel Date | Cancel Location | Type of Item | Notes on Content |
|---|---|---|---|---|
| Satellite Data System (SDS) / Quasar (NRO) | ||||
| 1976-06-02: SDS-1 / Quasar-1 | ||||
| United States | 1976-06-02 | Lompoc CA, Vandenberg AFB | (Vandy? green rubber-stamp) cachet on cover | SDS-1 launch |
| United States | 1976-06-02 | Vandenberg AFB, CA | (Vandy? green rubber-stamp) cachet on cover | SDS-1 launch |
| United States | 1976-06-02 | Vandenberg AFB, CA | (Vandy? green rubber-stamp) cachet on (airmail) cover | SDS-1 launch |
| United States | 1976-06-02 | Vandenberg AFB, CA | (Space Voyage) cachet on cover | SDS-1 launch |
| 1976-08-06: SDS-2 / Quasar-2 | ||||
| United States | 1976-08-06 | Vandenberg AFB, CA | (Space Voyage) cachet on cover | SDS-2 launch |
| United States | 1976-08-06 | Vandenberg AFB, CA | (Vandy?/DuBeau? green rubber-stamp) cachet on cover | SDS-2 launch ("defense secret satellite") |
| United States | 1976-08-06 | Vandenberg AFB, CA | (Vandy?/DuBeau? green rubber-stamp) cachet on (airmail) cover | SDS-2 launch ("defense secret satellite") |
| 1978-08-05: SDS-3 / Quasar-3 | ||||
| United States | 1978-08-04 | Vandenberg AFB, CA | (Space Voyage) cachet on cover | SDS-3 launch |
| 1989-08-08: SDS-2-1 / Quasar-8 (and GLOMR?/SSF deployed by STS-28R) | ||||
| United States | 1989-08-08 | Houston TX | (Colorano silk) cachet on cover | STS-28R launch; SDS-2-1 deployed ("low-altitude spy satellite") |
| United States | 1989-08-08 | Houston TX | (Boudwin magenta and green and black rubber-stamp) cachet on (airmail) cover | STS-28R launch; SDS-2-1 deployed ("classified satellites") |
| United States | 1989-08-08 | Houston TX | (Boudwin purple and black rubber-stamp) cachet on (airmail) cover | STS-28R launch; SDS-2-1 deployed ("classified satellites") |
| United States | 1989-08-08 | Houston TX | (Colorano silk) cachet on cover | STS-28R launch; SDS-2-1 deployed (not "KH-12", as in text) |
| United States | 1989-08-08 | Cape Canaveral FL | (Boudwin green and blue and magenta rubber-stamp) cachet on (airmail) cover | STS-28R launch; SDS-2-1 deployed ("classified satellites") |
| United States | 1989-08-09 | Cape Canaveral FL | (Boudwin green and black rubber-stamp) cachet on (airmail) cover | "second day of flight" ("classified experiments") |
| United States | 1989-08-10 | Kennedy Space Center FL | (Boudwin purple and black rubber-stamp) cachet on (airmail) cover | "third day of flight" ("classified experiments") |
| United States | 1989-08-10 | Cape Canaveral FL | (Boudwin magenta and black rubber-stamp) cachet on (airmail) cover | "third day of flight" ("classified experiments") |
| United States | 1989-08-11 | Cape Canaveral FL | (Boudwin purple and black rubber-stamp) cachet on (airmail) cover | "fourth day of flight" ("classified experiments") |
| United States | 1989-08-12 | Kennedy Space Center FL | (Boudwin blue and black rubber-stamp) cachet on (airmail) cover | "fifth day of flight" ("classified experiments") |
| United States | 1989-08-12 | Cape Canaveral FL | (Boudwin blue and black rubber-stamp) cachet on (airmail) cover | "fifth day of flight" ("classified experiments") |
| 1990-11-16: SDS-2-2 / Quasar-9 (and Prowler deployed by STS-38) | ||||
| United States | 1990-11-15 | Downey CA | (Pictorial) cancel and (mission patch) cachet on cover | STS-38 launch |
| United States | 1990-11-15 | Kennedy Space Center FL | (Titusville Moonport Stamp Club) cachet on cover | STS-38 launch |
| United States | 1990-11-15 1990-11-20 | Kennedy Space Center FL (machine cancel) Kennedy Space Center FL (hand cancel) | (Multi-color printed) cachet on cover | STS-38 launch STS-38 landing |
| United States | 1990-11-20 | Kennedy Space Center FL | (Titusville Moonport Stamp Club) cachet on cover | STS-38 landing |
| 1992-12-02: SDS-2-3 / Quasar-10 (and ODERACS-1 deployed by STS-53) | ||||
| United States | 1992-12-02 | Nassau Bay Branch, Houston TX | (Colorano silk) cachet on cover | STS-53 launch ("classified Defense Dept. satellite") |
| United States | 1992-12-02 | Houston TX | (Colorano silk) cachet (different) on cover | STS-53 launch ("classified satellite") |
| United States | 1992-12-02 | Kennedy Space Center FL | (Mission patch) cachet on cover | STS-53 launch |
| United States | 1992-12-02 | Kennedy Space Center FL | (Mission patch) cachet (slightly different) on cover | STS-53 launch |
| United States | 1992-12-02 | Kennedy Space Center FL | (Colorano silk and medallion) cachet on cover | STS-53 launch |
| United States | 1992-12-02 | Kennedy Space Center FL | (Cyan mission patch) cachet on cover | STS-53 launch |
| United States | 1992-12-02 | Nassau Bay Branch, Houston TX | (Red rubber-stamp) cachet on cover | STS-53 launch |
| United States | 1992-12-02 | Houston TX | (Orange and green printed) cachet on cover | STS-53 launch |
| United States | 1992-12-02 1992-12-09 | Kennedy Space Center FL Edwards AFB, CA | (Titusville Moonport Stamp Club) cachet on cover | STS-53 launch STS-53 landing |
| United States | 1992-12-03 | Houston TX | (Orange and green printed) cachet on cover | "FARE (In-Cabin Payload)" |
| United States | 1992-12-09 | Edwards AFB, CA | (Colorano silk) cachet on cover | STS-53 landing ("classified military satellite") |
| United States | 1992-12-09 | Edwards AFB, CA | (Titusville Moonport Stamp Club) cachet on cover | STS-53 landing |
| 2011-03-11: SDS-3-6 / Quasar-17 / NROL-27 | ||||
| United States | 2011-03-11 | Cape Canaveral FL | (Lollini) cachet on cover | SDS-3-6 (NROL-27) launch |
| United States | 2011-03-11 | GSFC, Greenbelt MD | (Multi-color printed) cachet on cover | SDS-3-6 (NROL-27) launch |
| 2012-06-20: SDS-3-7 / Quasar-18 / NROL-38 | ||||
| United States | 2012-06-20 | Cape Canaveral FL | (Lollini) cachet on cover | SDS-3-7 (NROL-38) launch |
| 2016-07-28: SDS-4-1 / Quasar-20 / NROL-61 | ||||
| United States | 2016-07-28 | Cape Canaveral FL | (Multi-color printed) cachet on cover | SDS-4-1 (NROL-61) launch ("classified") |
| United States | 2016-07-28 | Cape Canaveral FL | (Multi-color printed) cachet (different) on cover | SDS-4-1 (NROL-61) launch ("classified spacecraft payload") |
| 2017-10-15: SDS-4-2 / Quasar-21 / NROL-52 | ||||
| United States | 2017-10-06 | Kennedy Space Center FL | (Multi-color printed) cachet on cover | SDS-4-2 (NROL-52) launch scubbed ("classified launch window") |
| United States | 2017-10-07 | Kennedy Space Center FL | (Multi-color printed) cachet on cover | SDS-4-2 (NROL-52) launch scubbed ("classified launch window") |
| Finland | 2017-10-151 | Kerava | (SVP) cachet on cover | SDS-4-2 (NROL-52) launch ("classified") |
| United States | 2017-10-15 | Cape Canaveral FL | (Multi-color printed) cachet on cover | SDS-4-2 (NROL-52) launch ("classified spacecraft payload") |
| United States | 2017-10-15 | Cape Canaveral FL | (Multi-color printed) cachet (different) on cover | SDS-4-2 (NROL-52) launch ("classified satellite") |
| SDS (on other than SDS launch covers) | ||||
| United States | 1972-12-20 | Kennedy Space Center FL | (Riser/Andromeda/Cygnus Cover no.43) cachet on Canyon-5 launch (airmail) cover, also insert1 and insert2 | "Satellite Data System" (but predates first SDS launch); ("secret program [project] 313") |
| United States | 1973-03-06 | Cape Canaveral FL | (InterSpace Cover) cachet on Rhyolite-2 launch cover | "Satellite Data System" and "SDS" (but predates first SDS launch); ("Program [project] 313") |
| United States | 1973-03-06 | Kennedy Space Center FL | (Space Voyage) cachet on Rhyolite-2 launch cover | |
| United States | 1978-02-24 | Vandenberg AFB, CA | (Space Voyage) cachet on Jumpseat-5 launch cover | "probable satellite data system" (but probably does not refer to SDS series) |
| United States | 2017-10-15 | Cape Canaveral FL | (Mission 57) cachet on back of NROL-52 launch cover, also front | "Space Data System [SDS]" and "SDS constellation" and "SDS-4" and "NRO Satellite Data System, also known by the code name 'Quasar'" and "Second generation Quasar satellites operating from 1989 to 1996 were launched from the Space Shuttle" |
1These Kerava, Finland, cancels read "xx.xx.2117" in error, with year 2017 intended.
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