SCATHA

SCATHA
(and other US
scientific/research/technology satellites)


This page contains philatelic information on the SCATHA (Spacecraft Charging AT High Altitude) (and other US scientific/research/technology 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.

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)
RM-1 / RMS RM-1 / RMS RM-1 / RMS
Radcat-2 and Radsat Radcat-2 and Radsat Radcat-2 and Radsat
SCATHA SCATHA SCATHA
CRRES CRRES CRRES
ACRIMSAT ACRIMSAT ACRIMSAT
STEP proposed STEP
RBSP RBSP RBSP


Below is a list of SCATHA (and other US scientific/research/technology satellite) postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
RM-1 / RMS (Radiation Meteroid Satellite)
No (non-launch cover) postal items found
Radcat (RADar CAlibration Target) and Radsat (RADiation SATellite)
No (non-launch cover) postal items found
SCATHA (Spacecraft Charging AT High Altitude)
No (non-launch cover) postal items found
CRRES (Combined Release and Radiation Effects Satellite)
Guyana3506 (BL674)In (right) margin of SS12000"CRRES"
Guyana3506 proofImperforate proof
Guyana3506 proof fdcImperforate proof and cachet (same design) on FDC
ACRIMSAT (Active Cavity Radiometer Irradiance Monitor SATellite)
No (non-launch cover) postal items found
STEP (Satellite Test of the Equivalence Principle)
Central African Republic1364b (Mi2583)
i1364b
One of MS3 (1364 (a-c)) (Mi2582-2584)
One of imperforate MS3 (i1364 (a-c))
2000STEP (early-design)
Central African Republic1364 fdcMS3 on FDC
Mali1054a
i1054a
One of MS4 (1054) (Mi2239-2242)
One of imperforate MS4 (i1054)
1999STEP (early-design)
Mali1054a ds
i1054a ds
Deluxe sheet (1054a)
Imperforate deluxe sheet (i1054a)
RBSP (Radiation Belt Storm Probes)
Congo RepublicUnknown ss (BL?)On stamp of SS12014
Congo RepublicUnknown fdcSS1 on FDC


Below is a list of SCATHA (and other US scientific/research/technology satellite) launch covers (including anniversary-of-launch covers, and launch-related event covers).

CountryCancel DateCancel LocationType of ItemNotes on Content
1970-11-09: RM-1 / RMS (Radiation Meteroid Satellite) (and OFO-1)
United States1970-11-09Wallops Island VA(Riser/Andromeda/Cygnus Cover no.30) cachet on (airmail) coverRM-1 launch
United States1970-11-09Wallops Island VA(Sarzin) cachet on coverRM-1 launch
United States1970-11-09Wallops Island VA(Centennial) cachet on coverRM-1 launch
United States1970-11-09Wallops Island VA(Orbit Covers) cachet on coverRM-1 launch
United States1970-11-09Wallops Island VA(Swanson blue and magenta rubber-stamp) cachet on cover RM-1 launch
United States1970-11-09Wallops Island VA(Swanson blue and magenta rubber-stamp) cachet on (airmail) coverRM-1 launch
United States1970-11-09Wallops Island VA(Swanson green and magenta rubber-stamp) cachet on coverRM-1 launch
1972-10-02: Radcat-2 (RADar CAlibration Target) and Radsat (RADiation SATellite)
United States1972-10-02Vandenberg AFB, CA(Space Voyage) cachet on coverRadcat-2 and Radsat launch
United States1972-10-02Vandenberg AFB, CA(DuBeau?/Swanson purple rubber-stamp) cachet on coverRadcat-2 and Radsat launch ("secret satellite")
United States1972-10-02Vandenberg AFB, CA(DuBeau?/Swanson magenta rubber-stamp) cachet on (airmail) coverRadcat-2 and Radsat launch ("secret satellite")
1979-01-30: SCATHA (Spacecraft Charging AT High Altitude)
United States1979-01-30Cape Canaveral FL(Space Voyage) cachet on coverSCATHA launch
United States1979-01-30Kennedy Space Center FL(Space Voyage) cachet on coverSCATHA launch
United States1979-01-30Cape Canaveral FL(Whitney blue) cachet on (airmail) coverSCATHA launch
United States1979-01-30GSFC, MD(GSFC Stamp Club) cachet on coverSCATHA launch
United States1979-01-30GSFC, MD(NASA Communications Network) cachet on coverSCATHA launch
United States1979-01-30Kennedy Space Center FL(SCPS) cachet on coverSCATHA launch
United States1979-01-30Kennedy Space Center FL(SCPS) cachet (and signature) on coverSCATHA launch
1990-07-25: CRRES (Combined Release and Radiation Effects Satellite)
No launch cover images available yet
CRRES (events)
United States1991-08-12Marshall Space Flight Center AL(Black rubber-stamp and typed) cachet on (airmail) cover"Last chemical release" from CRRES
1999-12-20: ACRIMSAT (Active Cavity Radiometer Irradiance Monitor SATellite)
United States1999-12-20Pasadena CA(JPL Stamp Club) cachet on coverACRIMSAT launch
United States1999-12-20Lompoc CA, Vandenberg AFB(JPL Stamp Club) cachet on coverACRIMSAT launch
2012-08-30: RBSP-A/B (Radiation Belt Storm Probes)
United States2012-08-30Cape Canaveral FL(Mission 57) cachet on cover, also backRBSP-A/B launch
United States2012-08-30Cape Canaveral FL(Multi-color printed) cachet on coverRBSP-A/B launch


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Updated: 2020-04-25