Inmarsat series (including Marisat, Marots, and Marecs)

		Inmarsat series (including Marisat, Marots, and Marecs)
Marisat-1	Marecs		Inmarsat-2

This page contains philatelic information on the Inmarsat series (including Marisat, Marots, and Marecs). 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 Marisat series was taken over by Inmarsat in 1981. Marots was a proposed experimental system that was never launched but changed into the operational Marecs series, which were in effect the first-generation Inmarsat series, followed by the second-generation Inmarsat-2 series, etc.

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)
Marisat	Marisat	Marisat
Marecs (and Marots)	Marecs	Marecs (and Marots)
Marecs (and Marots)	Marecs (on other than Marecs launch covers)	Marecs (and Marots)
Inmarsat	Inmarsat	Inmarsat

Below is a list of Inmarsat series (including Marisat, Marots, and Marecs) postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

Country Catalog Number Type of Item Year of Issue Notes on Content
Marisat
French Southern and Antarctic Territories C98 (Mi230) From MS10 (C98a (10x C98)) 1987 Marisat (but "Inmarsat" in stamp text)
French Southern and Antarctic Territories C98 maxi Stamp on maxicard
French Southern and Antarctic Territories C98 cover1 (Mi230 cover1) Stamp on cover (not a FDC, despite indication in ('FDC') cachet, because of the cancel date 7 April - stamp issue date was 2 March) 1987 Marisat (but "Inmarsat" in stamp text)
French Southern and Antarctic Territories C98 cover2 (Mi230 cover2) Stamp on cover (not a FDC, despite indication in (PJ) cachet, because of the cancel date 7 April - stamp issue date was 2 March) 1987 Marisat (but "Inmarsat" in stamp text)
Grenada Carriacou 2126d (Mi2971) One of MS6 (2126 (a-f)) (Mi2968-2973) 1999 "Marisat-1"
Marecs (and Marots)
Central African Republic 335 (Mi542A)
i335 (Mi542B)
Imperforate 1978 Marecs
Central African Republic 335a (BL26A)
i335a (BL26B) On stamp of SS1 (335)
On stamp of imperforate SS1 (i335)
Comoro Islands Mi428A
Mi428B
Imperforate 1978 (probably) Marots
Comoro Islands 388 (Mi489)
i388
Imperforate 1978 Marecs
Comoro Islands 388a (BL186)
i388a On stamp of SS1 (388)
On stamp of imperforate SS1 (i388)
France 2653 (Mi?) 1998 (possible) Marecs
France 2653a (Mi?) Strip of 6 (2648-2653 + label)
Ivory Coast 583 (Mi678)
i583
Imperforate 1981 Marecs
Ivory Coast 584 (Mi679)
i584
Imperforate
Ivory Coast 583-584 fdc Two stamps on FDC
French Southern and Antarctic Territories C98 (Mi230) From MS10 (C98a (10x C98)) 1987 Marecs (but "Inmarsat" in stamp text)
French Southern and Antarctic Territories C98 maxi Stamp on maxicard
French Southern and Antarctic Territories C98 cover1 (Mi230 cover1) Stamp and ('FDC') cachet on cover (not a FDC, despite indication in ('FDC') cachet, because of the cancel date 7 April - stamp issue date was 2 March) 1987 Marecs (but "Inmarsat" in stamp text); also Marecs (in cachet)
French Southern and Antarctic Territories C98 cover2 (Mi230 cover2) Stamp on cover (not a FDC, despite indication in (PJ) cachet, because of the cancel date 7 April - stamp issue date was 2 March) 1987 Marecs (but "Inmarsat" in stamp text)
Great Britain 1109 (Mi1033) 1985 Also "Marecs-A" (in text on fdc1 cachet)
Great Britain 1109 fdc1 Stamp and (Fleetwood) cachet on FDC
Great Britain 1109 fdc2 Stamp on FDC (Colorano silk cachet)
Great Britain 1109 card PHQ card
Great Britain 1107-1110 fdc1 One of four stamps on FDC, also back and insert
Great Britain 1107-1110 fdc2 One of four stamps on FDC (different cancel and slightly-different cachet)
Guinea Republic 1017 (Mi1134A)
i1017 (Mi1134B)
Imperforate 1986 Marecs
Guinea Republic 1017a (BL241A)
i1017a (BL241B) On stamp of SS1 (1017)
On stamp of imperforate SS1 (i1017)
Rwanda 814 (Mi878)
i814
Imperforate 1977 "Marots" (precursor of Marecs)
Inmarsat
British Antarctic Territory 315a (Mi338) One of strip of 4 (315 (a-d)) (Mi338-341) 2002 (possible) Inmarsat-2 (without trim tabs on solar panels)
Cambodia 870 (Mi948) 1988 Inmarsat-2
Chad Unknown ss (BL?) In (lower-right) margin of SS1 2013 "Alphasat-1XL" / Inmarsat-4A-F4
Congo (Democratic Republic) BL585 In (upper-right) margin of SS1 (Mi2141) 2014 "Inmarsat-4"
Cyprus 779-780 fdc (Mi771-772 fdc) Cachet on FDC Inmarsat-2
French Southern and Antarctic Territories C98 (Mi230) From MS10 (C98a (10x C98)) 1987 "Inmarsat" (in stamp text, but Marisat and Marecs depicted); also Inmarsat (in maxicard cachet)
French Southern and Antarctic Territories C98 maxi Stamp and cachet on Maxicard
French Southern and Antarctic Territories C98 cover1 (Mi230 cover1) Stamp and ('FDC') cachet on cover (not a FDC, despite indication in ('FDC') cachet, because of the cancel date 7 April - stamp issue date was 2 March) 1987 "Inmarsat" (in stamp text, but Marisat and Marecs depicted); also "Inmarsat" (in cachet text)
French Southern and Antarctic Territories C98 cover2 (Mi230 cover2) Stamp and (PJ) cachet on cover (not a FDC, despite indication in (PJ) cachet, because of the cancel date 7 April - stamp issue date was 2 March) 1987 "Inmarsat" (in stamp text, but Marisat and Marecs depicted); also "Inmarsat" (in cachet text)
Germany (West) 1467 fdc (Mi1290 fdc) (Hermann E. Sieger, GmbH) insert from FDC, also front 1986 "Inmarsat" (in text only)
Isle of Man (Great Britain) 470 (Mi466) One of pair (471a (470-471)) (Mi466-467) 1991 Inmarsat-2
Isle of Man (Great Britain) 469a+471a fdc One of four stamps on FDC
Monaco 1761 (Mi2010) From MS10 (1761a (5x (1760-1761))) (BL50) 1991 "Inmarsat" (Inmarsat-2)
Monaco 1761 maxi Maxicard
Monaco 1761a fdc MS10 on FDC
Monaco 1761a sc MS10 souvenir card
Monaco 1760-1761 ds
i1760-i1761 ds One of two stamps in deluxe sheet (1760-1761)
One of two stamps in imperforate deluxe sheet (i1760-i1761)
Spain None (Multi-color printed) cachet on (un-canceled) (Spanish Post) stamped envelope (from 2011) 2013 "Alphasat" / Inmarsat-4A-F4

Country	Catalog Number	Type of Item	Year of Issue	Notes on Content
Marisat
French Southern and Antarctic Territories	C98 (Mi230)	From MS10 (C98a (10x C98))	1987	Marisat (but "Inmarsat" in stamp text)
French Southern and Antarctic Territories	C98 maxi	Stamp on maxicard
French Southern and Antarctic Territories	C98 cover1 (Mi230 cover1)	Stamp on cover (not a FDC, despite indication in ('FDC') cachet, because of the cancel date 7 April - stamp issue date was 2 March)	1987	Marisat (but "Inmarsat" in stamp text)
French Southern and Antarctic Territories	C98 cover2 (Mi230 cover2)	Stamp on cover (not a FDC, despite indication in (PJ) cachet, because of the cancel date 7 April - stamp issue date was 2 March)	1987	Marisat (but "Inmarsat" in stamp text)
Grenada Carriacou	2126d (Mi2971)	One of MS6 (2126 (a-f)) (Mi2968-2973)	1999	"Marisat-1"
Marecs (and Marots)
Central African Republic	335 (Mi542A) i335 (Mi542B)	Imperforate	1978	Marecs
Central African Republic	335a (BL26A) i335a (BL26B)	On stamp of SS1 (335) On stamp of imperforate SS1 (i335)
Comoro Islands	Mi428A Mi428B	Imperforate	1978	(probably) Marots
Comoro Islands	388 (Mi489) i388	Imperforate	1978	Marecs
Comoro Islands	388a (BL186) i388a	On stamp of SS1 (388) On stamp of imperforate SS1 (i388)
France	2653 (Mi?)		1998	(possible) Marecs
France	2653a (Mi?)	Strip of 6 (2648-2653 + label)
Ivory Coast	583 (Mi678) i583	Imperforate	1981	Marecs
Ivory Coast	584 (Mi679) i584	Imperforate
Ivory Coast	583-584 fdc	Two stamps on FDC
French Southern and Antarctic Territories	C98 (Mi230)	From MS10 (C98a (10x C98))	1987	Marecs (but "Inmarsat" in stamp text)
French Southern and Antarctic Territories	C98 maxi	Stamp on maxicard
French Southern and Antarctic Territories	C98 cover1 (Mi230 cover1)	Stamp and ('FDC') cachet on cover (not a FDC, despite indication in ('FDC') cachet, because of the cancel date 7 April - stamp issue date was 2 March)	1987	Marecs (but "Inmarsat" in stamp text); also Marecs (in cachet)
French Southern and Antarctic Territories	C98 cover2 (Mi230 cover2)	Stamp on cover (not a FDC, despite indication in (PJ) cachet, because of the cancel date 7 April - stamp issue date was 2 March)	1987	Marecs (but "Inmarsat" in stamp text)
Great Britain	1109 (Mi1033)		1985	Also "Marecs-A" (in text on fdc1 cachet)
Great Britain	1109 fdc1	Stamp and (Fleetwood) cachet on FDC
Great Britain	1109 fdc2	Stamp on FDC (Colorano silk cachet)
Great Britain	1109 card	PHQ card
Great Britain	1107-1110 fdc1	One of four stamps on FDC, also back and insert
Great Britain	1107-1110 fdc2	One of four stamps on FDC (different cancel and slightly-different cachet)
Guinea Republic	1017 (Mi1134A) i1017 (Mi1134B)	Imperforate	1986	Marecs
Guinea Republic	1017a (BL241A) i1017a (BL241B)	On stamp of SS1 (1017) On stamp of imperforate SS1 (i1017)
Rwanda	814 (Mi878) i814	Imperforate	1977	"Marots" (precursor of Marecs)
Inmarsat
British Antarctic Territory	315a (Mi338)	One of strip of 4 (315 (a-d)) (Mi338-341)	2002	(possible) Inmarsat-2 (without trim tabs on solar panels)
Cambodia	870 (Mi948)		1988	Inmarsat-2
Chad	Unknown ss (BL?)	In (lower-right) margin of SS1	2013	"Alphasat-1XL" / Inmarsat-4A-F4
Congo (Democratic Republic)	BL585	In (upper-right) margin of SS1 (Mi2141)	2014	"Inmarsat-4"
Cyprus	779-780 fdc (Mi771-772 fdc)	Cachet on FDC		Inmarsat-2
French Southern and Antarctic Territories	C98 (Mi230)	From MS10 (C98a (10x C98))	1987	"Inmarsat" (in stamp text, but Marisat and Marecs depicted); also Inmarsat (in maxicard cachet)
French Southern and Antarctic Territories	C98 maxi	Stamp and cachet on Maxicard
French Southern and Antarctic Territories	C98 cover1 (Mi230 cover1)	Stamp and ('FDC') cachet on cover (not a FDC, despite indication in ('FDC') cachet, because of the cancel date 7 April - stamp issue date was 2 March)	1987	"Inmarsat" (in stamp text, but Marisat and Marecs depicted); also "Inmarsat" (in cachet text)
French Southern and Antarctic Territories	C98 cover2 (Mi230 cover2)	Stamp and (PJ) cachet on cover (not a FDC, despite indication in (PJ) cachet, because of the cancel date 7 April - stamp issue date was 2 March)	1987	"Inmarsat" (in stamp text, but Marisat and Marecs depicted); also "Inmarsat" (in cachet text)
Germany (West)	1467 fdc (Mi1290 fdc)	(Hermann E. Sieger, GmbH) insert from FDC, also front	1986	"Inmarsat" (in text only)
Isle of Man (Great Britain)	470 (Mi466)	One of pair (471a (470-471)) (Mi466-467)	1991	Inmarsat-2
Isle of Man (Great Britain)	469a+471a fdc	One of four stamps on FDC
Monaco	1761 (Mi2010)	From MS10 (1761a (5x (1760-1761))) (BL50)	1991	"Inmarsat" (Inmarsat-2)
Monaco	1761 maxi	Maxicard
Monaco	1761a fdc	MS10 on FDC
Monaco	1761a sc	MS10 souvenir card
Monaco	1760-1761 ds i1760-i1761 ds	One of two stamps in deluxe sheet (1760-1761) One of two stamps in imperforate deluxe sheet (i1760-i1761)
Spain	None	(Multi-color printed) cachet on (un-canceled) (Spanish Post) stamped envelope (from 2011)	2013	"Alphasat" / Inmarsat-4A-F4

Below is a list of Inmarsat series (including Marisat, Marots, and Marecs) launch covers (including anniversary-of-launch covers, and launch-related event covers).

Country Cancel Date Cancel Location Type of Item Notes on Content
Marisat
1976-02-19: Marisat-1
United States 1976-02-19 Kennedy Space Center FL (Space Voyage) cachet on cover Marisat-1 launch
United States 1976-02-19 Cape Canaveral FL (Space Voyage) cachet on cover Marisat-1 launch
United States 1976-02-19 Merritt Island FL (KSC/NASA red and blue rubber-stamp) cachet on cover Marisat-1 launch (Westar-1/2/3 type depicted)
United States 1976-02-19 Kennedy Space Center FL (KSC/NASA red and blue rubber-stamp) cachet on cover Marisat-1 launch (Westar-1/2/3 type depicted)
United States 1976-02-19 Greenbelt MD (GSFC Stamp Club) cachet on cover Marisat-1 launch
United States 1976-02-19 Kennedy Space Center FL (SCPS) cachet on cover Marisat-1 launch
United States 1976-02-19 Kennedy Space Center FL (SCPS) cachet (and signature) on cover Marisat-1 launch
United States 1976-02-19 Kennedy Space Center FL (SCPS "official") cachet on cover Marisat-1 launch
United States 1976-02-19 Cape Canaveral FL (Orbit Covers) cachet on cover Marisat-1 launch
United States 1976-02-19 Greenbelt MD (GSFC blue rubber-stamp) cachet on cover Marisat-1 launch
United States 1976-02-19 Kennedy Space Center FL (Blue and red rubber-stamp) cachet on cover Marisat-1 launch
United States 1976-02-19 Patrick AFB, FL (Whitney blue and black) cachet on (airmail) cover Marisat-1 launch
United States 1976-02-19 Kennedy Space Center FL (Centennial) cachet on cover Marisat-1 launch
1976-06-09: Marisat-2
United States 1976-06-09 Cape Canaveral FL (Orbit Covers) cachet on cover Marisat-2 launch
United States 1976-06-09 Cape Canaveral FL (Space Voyage) cachet on cover Marisat-2 launch
United States 1976-06-09 Greenbelt MD (GSFC Stamp Club) cachet on cover Marisat-2 launch
United States 1976-06-09 Greenbelt MD (GSFC blue rubber-stamp) cachet on cover Marisat-2 launch
United States 1976-06-09 Kennedy Space Center FL (KSC/NASA red and blue rubber-stamp) cachet on cover Marisat-2 launch (Westar-1/2/3 type depicted)
United States 1976-06-09 Kennedy Space Center FL (SCPS) cachet on cover, also back Marisat-2 launch
United States 1976-06-09 Kennedy Space Center FL (SCPS) cachet (and signature) on cover Marisat-2 launch
1976-10-14: Marisat-3
United States 1976-10-14 Orlando FL, Kennedy Space Center Branch (KSC/NASA red and blue rubber-stamp) cachet on cover Marisat-3 launch (Westar-1/2/3 type depicted)
United States 1976-10-14 Cape Canaveral FL (Orbit Covers) cachet on cover Marisat-3 launch
United States 1976-10-14 Greenbelt MD (GSFC Stamp Club) cachet on cover Marisat-3 launch
United States 1976-10-14 Cape Canaveral FL (Space Voyage) cachet on cover Marisat-3 launch
United States 1976-10-14 Cape Canaveral FL (Centennial) cachet on cover Marisat-3 launch
United States 1976-10-14 Cape Canaveral FL (Whitney green) cachet on (airmail) cover Marisat-3 launch
United States 1976-10-14 Patrick AFB, FL (Typed and cyan rubber-stamp) cachet (and signatures) on cover Marisat-3 launch
Marecs
1981-12-20: Marecs-1 (and CAT-4)
French Guiana 1981-12-19 Kourou (Gruppo Filatelico) cachet on cover Marecs-1 launch
French Guiana 1981-12-19 Kourou (Europa FDC Service) cachet on cover Marecs-1 launch
French Guiana 1981-12-19 Kourou (Marconi) cachet on cover, also back Marecs-1 launch
French Guiana 1981-12-19 Kourou (C.E. SEP Section Philatélie) cachet on cover Marecs-1 launch
1982-09-10: Marecs-B (and SIRIO-2) [failed]
French Guiana 1982-09-09 Kourou (Lollini) cachet on cover Marecs-B launch [failed]
French Guiana 1982-09-09 Kourou (Europa FDC Service) cachet on cover Marecs-B launch [failed]
French Guiana 1982-09-09 Kourou (Europa FDC Service) cachet (different) on cover Marecs-B launch [failed]
French Guiana 1982-09-09 Kourou (Gruppo Filatelico) cachet on cover Marecs-B launch [failed]
French Guiana 1982-09-09 Kourou (ESA?) cachet on cover Marecs-B launch [failed]
French Guiana 1982-09-09 Kourou (ERNO) cachet on cover Marecs-B launch [failed]
French Guiana 1982-09-09 Kourou (Club Philatélique ESA/Lollini) cachet on cover Marecs-B launch [failed]
French Guiana 1982-09-09 Kourou (C.E. SEP Section Philatélie) cachet on cover SIRIO-2 launch [failed]
United States 1982-09-09 Greenbelt MD (NASCOM Network) cachet on cover Marecs-B launch [failed]

France 1982-09-10 Paris (Club Philatélique ESA/Lollini) cachet on cover Marecs-B launch [failed]
French Guiana 1982-09-10 Kourou (Club Philatélique ESA/Lollini) cachet on cover Marecs-B launch [failed]
Italy 1982-09-10 Torino (Printed and red rubber-stamp) cachet on cover Marecs-B launch [failed]
1984-11-10: Marecs-2 (and Spacenet-2)
French Guiana 1984-11-09 Kourou (Club Philatélique ESA/Lollini) cachet on cover Marecs-2 launch
French Guiana 1984-11-09 Kourou (C.E. SEP Section Philatélie) cachet on cover, also back Marecs-2 launch (Arabsat-1 depicted)
French Guiana 1984-11-09 Kourou (Club Philatélique ESA/Lollini) cachet on cover Marecs-2 launch
Marecs (on other than Marecs launch covers)
French Guiana 1989-04-01 Kourou (C.E. SEP Section Philatélie) cachet on Tele-X launch cover "Marecs-2B"
French Guiana 1992-07-09 Kourou (Blue rubber-stamp) cachet on Insat-2A and Eutelsat-2-F4 launch cover Marecs
Inmarsat
1991-12-16: Inmarsat-2-F3 (and Télécom-2A)
French Guiana 1991-12-16 Kourou (Printed) cachet on cover Inmarsat-2-F3 launch
French Guiana 1991-12-16 Kourou (Printed and red rubber-stamp) cachets on cover Inmarsat-2-F3 launch
French Guiana 1991-12-16 Kourou (Printed and red rubber-stamp) cachets (differetn) on cover Inmarsat-2-F3 launch
French Guiana 1991-12-16 Kourou (Rubber-stamp) cachets on cover Inmarsat-2-F3 launch
French Guiana 1991-12-16 Kourou (C.E. SEP Section Philatélie) cachet on cover Inmarsat-2-F3 launch
1992-09-15: Inmarsat-2-F4 (and Télécom-2B)
French Guiana 1992-09-15 Kourou (C.E. SEP Section Philatélie) cachet on cover Inmarsat-2-F4 launch
French Guiana 1992-09-15 Kourou (Rubber-stamp) cachets on cover Inmarsat-2-F4 launch
1997-06-03: Inmarsat-3-F4 (and Insat-2D)
French Guiana 1997-06-03 Kourou (Lollini) cachet on cover (black cancel) Inmarsat-3-F4 launch
French Guiana 1997-06-03 Kourou (Lollini) cachet on cover (red cancel) Inmarsat-3-F4 launch
French Guiana 1997-06-03 Kourou (Lollini printed and rubber-stamp) cachet on cover Inmarsat-3-F4 launch
French Guiana 1997-06-03 Kourou (Philatélie Arianespace) cachet on cover Inmarsat-3-F4 launch
French Guiana 1997-06-03 Kourou (C.E. SEP Section Philatélie) cachet on cover Inmarsat-3-F4 launch

France 1997-06-04 Paris (Lollini printed and rubber-stamp) cachet on cover Inmarsat-3-F4 launch
Gabon 1997-06-04 Libreville (Lollini printed and red rubber-stamp) cachet on cover Inmarsat-3-F4 launch
1998-02-04: Inmarsat-3-F5 (and Brasilsat-B3)
French Guiana 1998-02-04 Kourou (Philatélie Arianespace) cachet on cover Inmarsat-3-F5 launch
French Guiana 1998-02-04 Kourou (Lollini) cachet on cover (black cancel) Inmarsat-3-F5 launch
French Guiana 1998-02-04 Kourou (Lollini) cachet on cover (red cancel) Inmarsat-3-F5 launch
French Guiana 1998-02-04 Kourou (C.E. SEP Section Philatélie) cachet on cover Inmarsat-3-F5 launch
French Guiana 1998-02-04 Kourou (Lollini printed and rubber-stamp) cachet on cover Inmarsat-3-F5 launch

France 1998-02-05 Paris (Lollini printed and rubber-stamp) cachet on cover Inmarsat-3-F5 launch
Gabon 1998-02-05 Libreville (ESA Philatélie) cachet on cover Inmarsat-3-F5 launch
2008-08-18: Inmarsat-4-F3
United States 2008-08-18 Colorado Springs CO, Peterson AFB (Printed) cachet on cover Inmarsat-4-F3 launch

Russia 2008-08-19 Baikonur (Printed) cachet on cover Inmarsat-4-F3 launch
2013-07-25: Inmarsat-4A-F4 / Alphasat (and Insat-3D)
French Guiana 2013-07-25 Kourou (Lollini) cachet on cover Inmarsat-4A-F4 / Alphasat launch
French Guiana 2013-07-25 Kourou (Lollini) cachet (different) on cover Inmarsat-4A-F4 / Alphasat launch
French Guiana 2013-07-25 Kourou (Historiaphil) cachet on cover Inmarsat-4A-F4 / Alphasat launch
2017-05-15: Inmarsat-5-F4
United States 2017-05-15 Kennedy Space Center FL (Lollini) cachet on cover Inmarsat-5-F4 launch

Country	Cancel Date	Cancel Location	Type of Item	Notes on Content
Marisat
1976-02-19: Marisat-1
United States	1976-02-19	Kennedy Space Center FL	(Space Voyage) cachet on cover	Marisat-1 launch
United States	1976-02-19	Cape Canaveral FL	(Space Voyage) cachet on cover	Marisat-1 launch
United States	1976-02-19	Merritt Island FL	(KSC/NASA red and blue rubber-stamp) cachet on cover	Marisat-1 launch (Westar-1/2/3 type depicted)
United States	1976-02-19	Kennedy Space Center FL	(KSC/NASA red and blue rubber-stamp) cachet on cover	Marisat-1 launch (Westar-1/2/3 type depicted)
United States	1976-02-19	Greenbelt MD	(GSFC Stamp Club) cachet on cover	Marisat-1 launch
United States	1976-02-19	Kennedy Space Center FL	(SCPS) cachet on cover	Marisat-1 launch
United States	1976-02-19	Kennedy Space Center FL	(SCPS) cachet (and signature) on cover	Marisat-1 launch
United States	1976-02-19	Kennedy Space Center FL	(SCPS "official") cachet on cover	Marisat-1 launch
United States	1976-02-19	Cape Canaveral FL	(Orbit Covers) cachet on cover	Marisat-1 launch
United States	1976-02-19	Greenbelt MD	(GSFC blue rubber-stamp) cachet on cover	Marisat-1 launch
United States	1976-02-19	Kennedy Space Center FL	(Blue and red rubber-stamp) cachet on cover	Marisat-1 launch
United States	1976-02-19	Patrick AFB, FL	(Whitney blue and black) cachet on (airmail) cover	Marisat-1 launch
United States	1976-02-19	Kennedy Space Center FL	(Centennial) cachet on cover	Marisat-1 launch
1976-06-09: Marisat-2
United States	1976-06-09	Cape Canaveral FL	(Orbit Covers) cachet on cover	Marisat-2 launch
United States	1976-06-09	Cape Canaveral FL	(Space Voyage) cachet on cover	Marisat-2 launch
United States	1976-06-09	Greenbelt MD	(GSFC Stamp Club) cachet on cover	Marisat-2 launch
United States	1976-06-09	Greenbelt MD	(GSFC blue rubber-stamp) cachet on cover	Marisat-2 launch
United States	1976-06-09	Kennedy Space Center FL	(KSC/NASA red and blue rubber-stamp) cachet on cover	Marisat-2 launch (Westar-1/2/3 type depicted)
United States	1976-06-09	Kennedy Space Center FL	(SCPS) cachet on cover, also back	Marisat-2 launch
United States	1976-06-09	Kennedy Space Center FL	(SCPS) cachet (and signature) on cover	Marisat-2 launch
1976-10-14: Marisat-3
United States	1976-10-14	Orlando FL, Kennedy Space Center Branch	(KSC/NASA red and blue rubber-stamp) cachet on cover	Marisat-3 launch (Westar-1/2/3 type depicted)
United States	1976-10-14	Cape Canaveral FL	(Orbit Covers) cachet on cover	Marisat-3 launch
United States	1976-10-14	Greenbelt MD	(GSFC Stamp Club) cachet on cover	Marisat-3 launch
United States	1976-10-14	Cape Canaveral FL	(Space Voyage) cachet on cover	Marisat-3 launch
United States	1976-10-14	Cape Canaveral FL	(Centennial) cachet on cover	Marisat-3 launch
United States	1976-10-14	Cape Canaveral FL	(Whitney green) cachet on (airmail) cover	Marisat-3 launch
United States	1976-10-14	Patrick AFB, FL	(Typed and cyan rubber-stamp) cachet (and signatures) on cover	Marisat-3 launch
Marecs
1981-12-20: Marecs-1 (and CAT-4)
French Guiana	1981-12-19	Kourou	(Gruppo Filatelico) cachet on cover	Marecs-1 launch
French Guiana	1981-12-19	Kourou	(Europa FDC Service) cachet on cover	Marecs-1 launch
French Guiana	1981-12-19	Kourou	(Marconi) cachet on cover, also back	Marecs-1 launch
French Guiana	1981-12-19	Kourou	(C.E. SEP Section Philatélie) cachet on cover	Marecs-1 launch
1982-09-10: Marecs-B (and SIRIO-2) [failed]
French Guiana	1982-09-09	Kourou	(Lollini) cachet on cover	Marecs-B launch [failed]
French Guiana	1982-09-09	Kourou	(Europa FDC Service) cachet on cover	Marecs-B launch [failed]
French Guiana	1982-09-09	Kourou	(Europa FDC Service) cachet (different) on cover	Marecs-B launch [failed]
French Guiana	1982-09-09	Kourou	(Gruppo Filatelico) cachet on cover	Marecs-B launch [failed]
French Guiana	1982-09-09	Kourou	(ESA?) cachet on cover	Marecs-B launch [failed]
French Guiana	1982-09-09	Kourou	(ERNO) cachet on cover	Marecs-B launch [failed]
French Guiana	1982-09-09	Kourou	(Club Philatélique ESA/Lollini) cachet on cover	Marecs-B launch [failed]
French Guiana	1982-09-09	Kourou	(C.E. SEP Section Philatélie) cachet on cover	SIRIO-2 launch [failed]
United States	1982-09-09	Greenbelt MD	(NASCOM Network) cachet on cover	Marecs-B launch [failed]

France	1982-09-10	Paris	(Club Philatélique ESA/Lollini) cachet on cover	Marecs-B launch [failed]
French Guiana	1982-09-10	Kourou	(Club Philatélique ESA/Lollini) cachet on cover	Marecs-B launch [failed]
Italy	1982-09-10	Torino	(Printed and red rubber-stamp) cachet on cover	Marecs-B launch [failed]
1984-11-10: Marecs-2 (and Spacenet-2)
French Guiana	1984-11-09	Kourou	(Club Philatélique ESA/Lollini) cachet on cover	Marecs-2 launch
French Guiana	1984-11-09	Kourou	(C.E. SEP Section Philatélie) cachet on cover, also back	Marecs-2 launch (Arabsat-1 depicted)
French Guiana	1984-11-09	Kourou	(Club Philatélique ESA/Lollini) cachet on cover	Marecs-2 launch
Marecs (on other than Marecs launch covers)
French Guiana	1989-04-01	Kourou	(C.E. SEP Section Philatélie) cachet on Tele-X launch cover	"Marecs-2B"
French Guiana	1992-07-09	Kourou	(Blue rubber-stamp) cachet on Insat-2A and Eutelsat-2-F4 launch cover	Marecs
Inmarsat
1991-12-16: Inmarsat-2-F3 (and Télécom-2A)
French Guiana	1991-12-16	Kourou	(Printed) cachet on cover	Inmarsat-2-F3 launch
French Guiana	1991-12-16	Kourou	(Printed and red rubber-stamp) cachets on cover	Inmarsat-2-F3 launch
French Guiana	1991-12-16	Kourou	(Printed and red rubber-stamp) cachets (differetn) on cover	Inmarsat-2-F3 launch
French Guiana	1991-12-16	Kourou	(Rubber-stamp) cachets on cover	Inmarsat-2-F3 launch
French Guiana	1991-12-16	Kourou	(C.E. SEP Section Philatélie) cachet on cover	Inmarsat-2-F3 launch
1992-09-15: Inmarsat-2-F4 (and Télécom-2B)
French Guiana	1992-09-15	Kourou	(C.E. SEP Section Philatélie) cachet on cover	Inmarsat-2-F4 launch
French Guiana	1992-09-15	Kourou	(Rubber-stamp) cachets on cover	Inmarsat-2-F4 launch
1997-06-03: Inmarsat-3-F4 (and Insat-2D)
French Guiana	1997-06-03	Kourou	(Lollini) cachet on cover (black cancel)	Inmarsat-3-F4 launch
French Guiana	1997-06-03	Kourou	(Lollini) cachet on cover (red cancel)	Inmarsat-3-F4 launch
French Guiana	1997-06-03	Kourou	(Lollini printed and rubber-stamp) cachet on cover	Inmarsat-3-F4 launch
French Guiana	1997-06-03	Kourou	(Philatélie Arianespace) cachet on cover	Inmarsat-3-F4 launch
French Guiana	1997-06-03	Kourou	(C.E. SEP Section Philatélie) cachet on cover	Inmarsat-3-F4 launch

France	1997-06-04	Paris	(Lollini printed and rubber-stamp) cachet on cover	Inmarsat-3-F4 launch
Gabon	1997-06-04	Libreville	(Lollini printed and red rubber-stamp) cachet on cover	Inmarsat-3-F4 launch
1998-02-04: Inmarsat-3-F5 (and Brasilsat-B3)
French Guiana	1998-02-04	Kourou	(Philatélie Arianespace) cachet on cover	Inmarsat-3-F5 launch
French Guiana	1998-02-04	Kourou	(Lollini) cachet on cover (black cancel)	Inmarsat-3-F5 launch
French Guiana	1998-02-04	Kourou	(Lollini) cachet on cover (red cancel)	Inmarsat-3-F5 launch
French Guiana	1998-02-04	Kourou	(C.E. SEP Section Philatélie) cachet on cover	Inmarsat-3-F5 launch
French Guiana	1998-02-04	Kourou	(Lollini printed and rubber-stamp) cachet on cover	Inmarsat-3-F5 launch

France	1998-02-05	Paris	(Lollini printed and rubber-stamp) cachet on cover	Inmarsat-3-F5 launch
Gabon	1998-02-05	Libreville	(ESA Philatélie) cachet on cover	Inmarsat-3-F5 launch
2008-08-18: Inmarsat-4-F3
United States	2008-08-18	Colorado Springs CO, Peterson AFB	(Printed) cachet on cover	Inmarsat-4-F3 launch

Russia	2008-08-19	Baikonur	(Printed) cachet on cover	Inmarsat-4-F3 launch
2013-07-25: Inmarsat-4A-F4 / Alphasat (and Insat-3D)
French Guiana	2013-07-25	Kourou	(Lollini) cachet on cover	Inmarsat-4A-F4 / Alphasat launch
French Guiana	2013-07-25	Kourou	(Lollini) cachet (different) on cover	Inmarsat-4A-F4 / Alphasat launch
French Guiana	2013-07-25	Kourou	(Historiaphil) cachet on cover	Inmarsat-4A-F4 / Alphasat launch
2017-05-15: Inmarsat-5-F4
United States	2017-05-15	Kennedy Space Center FL	(Lollini) cachet on cover	Inmarsat-5-F4 launch

¹??

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Inmarsat series(including Marisat,Marots, and Marecs)

Inmarsat series
(including Marisat,
Marots, and Marecs)