Stratospheric balloons launched in 1971

Launch base	Date	Flight Duration	Experiment	Payload landing place or cause of the failure
Palestine (TX)	1/9	F 3 h 45 m	SEARCH OF GAMMA RAYS FROM CRAB NEBULA AND GALACTIC CENTER	--- No Data ---
Goodfellow AFB (TX)	1/11	---	ASHCAN	--- No Data ---
Goodfellow AFB (TX)	1/12	---	ASHCAN	--- No Data ---
Albrook AFB	1/13	---	ASHCAN	--- No Data ---
Albrook AFB	1/14	---	ASHCAN	--- No Data ---
Goodfellow AFB (TX)	1/15	---	ASHCAN	--- No Data ---
Albrook AFB	1/16	---	ASHCAN	--- No Data ---
Palestine (TX)	1/19	F 2 h 10 m	TEST OF OMEGA DROPSONDE SYSTEM	--- No Data ---
Goodfellow AFB (TX)	1/19	---	ASHCAN	--- No Data ---
Albrook AFB	1/20	---	ASHCAN	--- No Data ---
Palestine (TX)	1/21	F 2 h 10 m	TEST OF OMEGA BALLOON LOCATION SYSTEM	--- No Data ---
Albrook AFB	1/22	---	ASHCAN	--- No Data ---
Goodfellow AFB (TX)	1/22	---	ASHCAN	--- No Data ---
Palestine (TX)	1/26	F 10 h 25 m	X-RAY AND GAMMA RAY OBSERVATIONS OF CRAB NEBULA	--- No Data ---
Longreach	1/26	---	ASHCAN	--- No Data ---
Longreach	1/27	---	ASHCAN	--- No Data ---
Longreach	1/29	---	ASHCAN	--- No Data ---
Longreach	2/3	---	ASHCAN	--- No Data ---
Palestine (TX)	2/9	---	NEAR I.R. SOLAR MEASUREMENTS	--- No Data ---
Palestine (TX)	2/13	F 6 h 30 m	HIGH ENERGY CERENKOV GAMMA RAY TELESCOPE	--- No Data ---
Sioux City (IA)	2/15	---	ASHCAN	--- No Data ---
Sioux City (IA)	2/17	---	ASHCAN	--- No Data ---
Palestine (TX)	2/20	---	NEAR I.R. SOLAR MEASUREMENTS	--- No Data ---
Sioux City (IA)	2/24	---	ASHCAN	--- No Data ---
Sioux City (IA)	3/2	---	ASHCAN	--- No Data ---
Goodfellow AFB (TX)	3/3	---	ASHCAN	--- No Data ---
Palestine (TX)	3/10	F 2 h 55 m	NEAR I.R. SOLAR MEASUREMENTS	--- No Data ---
Palestine (TX)	3/10	F 2 h 45 m	TEST OF LOFT ANTENNA STRUCTURE	--- No Data ---
Goodfellow AFB (TX)	3/10	---	ASHCAN	--- No Data ---
Palestine (TX)	3/11	F 9 h 55 m	SKY SURVEY FOR INFRARED RADIATION	--- No Data ---
Ciudad Universitaria	3/11	12 h	GAMMA RAY DETECTOR	Bragado, Buenos Aires, Argentine
Mildura	3/11	---	ASHCAN	--- No Data ---
Goodfellow AFB (TX)	3/13	---	ASHCAN	--- No Data ---
Palestine (TX)	3/16	---	TEST OF SEVERAL BALLOON DEVICES	--- No Data ---
Mildura	3/17	---	ASHCAN	--- No Data ---
Goodfellow AFB (TX)	3/17	---	ASHCAN	--- No Data ---
Goodfellow AFB (TX)	3/22	---	ASHCAN	--- No Data ---
Mildura	3/23	---	ASHCAN	--- No Data ---
Mildura	3/24	---	ASHCAN	--- No Data ---
Mildura	4/2	---	ASHCAN	--- No Data ---
Albrook AFB	4/3	---	ASHCAN	--- No Data ---
Sioux City (IA)	4/4	---	ASHCAN	--- No Data ---
Albrook AFB	4/4	---	ASHCAN	--- No Data ---
Albrook AFB	4/5	---	ASHCAN	--- No Data ---
Sioux City (IA)	4/5	---	ASHCAN	--- No Data ---
Mildura	4/5	---	ASHCAN	--- No Data ---
Sioux City (IA)	4/6	---	ASHCAN	--- No Data ---
Hyderabad	4/6	3.8 h	X RAY OBSERVATION	--- No Data ---
Palestine (TX)	4/7	18 h 30 m	THERMAL MEASUREMENTS OF INTERSTELLAR DUST OF MILKY WAY	--- No Data ---
Sioux City (IA)	4/7	---	ASHCAN	--- No Data ---
Palestine (TX)	4/13	12 h	THERMAL MEASUREMENTS OF INTERSTELLAR DUST OF MILKY WAY	--- No Data ---
Palestine (TX)	4/21	F 10 h 30 m	OBSERVATION OF THE SUN IN NEAR I.R.	--- No Data ---
Hyderabad	4/22	---	X RAY OBSERVATION	--- No Data ---
Aire Sur L'Adour	4/27	---	SOLAR INTERFEROMETER	--- No Data ---
Longreach	4/27	---	ASHCAN	--- No Data ---
Hyderabad	4/28	---	GAMMA RAY OBSERVATION	--- No Data ---
Longreach	4/29	---	ASHCAN	--- No Data ---
Hyderabad	4/30	3 h	GAMMA RAY OBSERVATION	--- No Data ---
Longreach	4/30	---	ASHCAN	--- No Data ---
Palestine (TX)	5/1	F 7 h 55 m	NEUTRONS MEASUREMENTS	--- No Data ---
Hyderabad	5/1	3.5 h	X RAY OBSERVATION	--- No Data ---
Palestine (TX)	5/2	F 6 h 20 m	COLLECT MICROMETEORIC DUST PARTICLES	--- No Data ---
Longreach	5/3	---	ASHCAN	--- No Data ---
Palestine (TX)	5/7	F 11 h 40 m	MAGNETIC SPECTROMETER	--- No Data ---
Hyderabad	5/8	2 h	GAMMA RAY OBSERVATION	--- No Data ---
Palestine (TX)	5/11	F 10 h 20 m	X-RAY AND GAMMA RAY OBSERVATIONS OF CRAB NEBULA	--- No Data ---
Hyderabad	5/12	---	GAMMA RAY OBSERVATION	--- No Data ---
Palestine (TX)	5/13	F 10 h 55 m	OBSERVATION OF THE SUN IN NEAR I.R.	--- No Data ---
Palestine (TX)	5/14	F 2 h 50 m	ENGINEERING EVALUATION OF A HEAVY LOAD TANDEM BALLOON	--- No Data ---
Holloman AFB (NM)	5/15	~ 3 d	LAPE II	--- No Data ---
Palestine (TX)	5/19	F 6 h 10 m	LARGE AREA PLASTIC EMULSION STACK	--- No Data ---
Palestine (TX)	5/25	48 h	CREPE (Cosmic Ray Emulsion Plastic Experiment)	Payload lost at sea
Palestine (TX)	5/25	F 7 h 20 m	NEUTRON MEASUREMENTS	--- No Data ---
Goodfellow AFB (TX)	5/25	---	ASHCAN	--- No Data ---
Goodfellow AFB (TX)	5/26	---	ASHCAN	--- No Data ---
Goodfellow AFB (TX)	5/28	---	ASHCAN	--- No Data ---
Goodfellow AFB (TX)	6/1	---	ASHCAN	--- No Data ---
Eielson AFB (AK)	6/2	---	ASHCAN	--- No Data ---
Eielson AFB (AK)	6/3	---	ASHCAN	--- No Data ---
Eielson AFB (AK)	6/4	---	ASHCAN	--- No Data ---
Eielson AFB (AK)	6/4	---	ASHCAN	--- No Data ---
Palestine (TX)	6/5	F 9 h 45 m	MEASUREMENTS OF ISOTROPY OF COSMIC BLACKBODY RADIATION	--- No Data ---
Goodfellow AFB (TX)	6/5	---	ASHCAN	--- No Data ---
Palestine (TX)	6/6	F 6 h	MEASURE UV RADIATION FROM STARS	--- No Data ---
Albrook AFB	6/6	---	ASHCAN	--- No Data ---
Goodfellow AFB (TX)	6/6	---	ASHCAN	--- No Data ---
Mildura	6/9	---	ASHCAN	--- No Data ---
Mildura	6/10	---	ASHCAN	--- No Data ---
Palestine (TX)	6/15	F 7 h 55 m	GAMMA RAY ASTRONOMY	--- No Data ---
Palestine (TX)	6/16	---	HIGH ENERGY GAMMA RAY ASTRONOMY	--- No Data ---
Mildura	6/16	---	ASHCAN	--- No Data ---
Gap-Tallard	6/24	F 6 h 39 m	UV TELESCOPE	In Sainte-Nathalène, Aquitaine, France
Mildura	6/25	---	ASHCAN	--- No Data ---
Palestine (TX)	6/26	8 h 20 m	HIGH ENERGY GAMMA RAY ASTRONOMY	--- No Data ---
Fort Churchill (MB)	6/30	11h	--- NO DATA ---	--- NO DATA ---
Palestine (TX)	7/1	4 h 55 m	HARD X-RAYS MEASUREMENTS OF CRAB NEBULA	--- No Data ---
Fort Churchill (MB)	7/1	---	--- NO DATA ---	Balloon Failure
Fort Churchill (MB)	7/1	---	--- NO DATA ---	Balloon Failure
Palestine (TX)	7/2	f 5 h	X-RAY AND GAMMA RAY COMBINED EXPERIMENT	--- No Data ---
Fort Churchill (MB)	7/6	15h	--- NO DATA ---	--- NO DATA ---
Palestine (TX)	7/7	F 5 h 30 m	GAMMA RAY MEASUREMENTS FROM CRAB NEBULA	--- No Data ---
Fort Churchill (MB)	7/11	11h 42m	--- NO DATA ---	--- NO DATA ---
Fort Churchill (MB)	7/11	10h 12m	--- NO DATA ---	--- NO DATA ---
Fort Churchill (MB)	7/12	11h 30m	--- NO DATA ---	--- NO DATA ---
Palestine (TX)	7/13	f 4 h 35 m	X-RAY AND GAMMA RAY COMBINED EXPERIMENT	--- No Data ---
Fort Churchill (MB)	7/17	17h 50m	--- NO DATA ---	--- NO DATA ---
Fort Churchill (MB)	7/17	12h 36m	--- NO DATA ---	--- NO DATA ---
Fort Churchill (MB)	7/18	12h 35m	--- NO DATA ---	--- NO DATA ---
Fort Churchill (MB)	7/18	---	--- NO DATA ---	Premature Termination
Fort Churchill (MB)	7/21	13h 5m	--- NO DATA ---	--- NO DATA ---
Trapani-Birgi	7/23	---	GAMMA RAY TELESCOPE	--- No Data ---
Fort Churchill (MB)	7/23	35h 18m	--- NO DATA ---	--- NO DATA ---
Fort Churchill (MB)	7/28	10h 20m	--- NO DATA ---	--- NO DATA ---
Palestine (TX)	7/31	F 9 h 30 m	MEASURE GAMMA RAYS FROM SOLAR FLARES AND CRAB NEBULA	--- No Data ---
Holloman AFB (NM)	8/??	---	BAPE II (Balloon Atmospheric Propagation Experiment)	--- No Data ---
Palestine (TX)	8/7	---	HIGH ENERGY NEUTRON FLUX MEASUREMENTS	--- No Data ---
Palestine (TX)	8/7	---	HIGH ENERGY NEUTRON FLUX MEASUREMENTS	--- No Data ---
Palestine (TX)	8/8	F 6 h 25 m	GAMMA RAY MEASUREMENTS FROM CRAB NEBULA	--- No Data ---
Sanriku	9/3	---	COSMIC DUST	--- No Data ---
Sanriku	9/7	---	PARACHUTE TESTING	--- No Data ---
Huntsville (AL)	9/9	F 10 h 50 m	STRATOSCOPE II	7 miles SE from Bald Knob, Arkansas, US
Holloman AFB (NM)	9/9	---	BAPE II (Balloon Atmospheric Propagation Experiment)	--- No Data ---
Aire Sur L'Adour	9/13	---	X-RAY DETECTOR	--- No Data ---
Holloman AFB (NM)	9/13	---	BAPE II (Balloon Atmospheric Propagation Experiment)	--- No Data ---
Sanriku	9/14	---	MICROSTRUCTURE OF SOLAR DISK	--- No Data ---
Sanriku	9/15	---	SOLAR INFRARED	--- No Data ---
Sanriku	9/16	---	HEAVY PARTICLES	--- No Data ---
Sanriku	9/16	---	SOLAR ULTRAVIOLET	--- No Data ---
Sanriku	9/17	---	DIRECTION ADJUSTMENT DEVICE TESTING	--- No Data ---
Sanriku	9/18	---	INSTRUMENTAL TESTING FLIGHT	--- No Data ---
Palestine (TX)	9/20	F 10 h 15 m	SEARCH OF POINT SOURCES OF GAMMA RADIATION	--- No Data ---
Aire Sur L'Adour	9/20	---	X-RAY DETECTOR	--- No Data ---
Palestine (TX)	9/21	F 8 h 55 m	MEASUREMENTS OF ISOTROPY OF COSMIC BLACKBODY RADIATION	--- No Data ---
G.Whale River (QC)	9/21	---	X-RAY AND ELECTRIC FIELD DETECTORS	--- No Data ---
G.Whale River (QC)	9/21	---	X-RAY AND ELECTRIC FIELD DETECTORS	--- No Data ---
Holloman AFB (NM)	9/22	---	BAPE II (Balloon Atmospheric Propagation Experiment)	--- No Data ---
Sioux Falls (SD)	9/23	---	COSMIC RAY DETECTOR	--- No Data ---
Palestine (TX)	9/24	F 9 h 35 m	SEARCH FOR OBJECTS EMMITING IN LONG IR WAVELENGTHS	--- No Data ---
Volsk	9/24	---	FLUXGATE AND PROTON MAGNETOMETERS	500 Kms East of the launch site
Aire Sur L'Adour	9/24	F 4 h 25 m	SPARK CHAMBER TELESCOPE	--- No Data ---
Palestine (TX)	9/25	---	LOW ENERGY GAMMA RAY ASTRONOMY	--- No Data ---
Palestine (TX)	9/26	F 26 h 30 m	HEAVY ION TELESCOPE	--- No Data ---
Palestine (TX)	9/26	---	MEASURE COSMIC RAY SPECTRA AND CHARGE	--- No Data ---
Palestine (TX)	9/28	F 1 h 40 m	TEST OF ELECTRONIC SYSTEM FOR WIND DETERMINATION	--- No Data ---
Palestine (TX)	9/28	F 29 h 10 m	MEASURE COSMIC RAY SPECTRA AND CHARGE	--- No Data ---
Sanriku	9/28	---	CYGNUS X-RAYS	--- No Data ---
Sanriku	9/30	---	GAMMA RAYS	--- No Data ---
Palestine (TX)	9/30	F 10 h	SKY SURVEY FOR OBJECTS RADIATING AT LONG I.R. WAVELENGHTS	--- No Data ---
Mildura	10/5	---	ASHCAN	--- No Data ---
Sanriku	10/6	---	ALPHA & HEAVY PARTICLES	--- No Data ---
Palestine (TX)	10/6	F 10 h 35 m	HIGH ENERGY CERENKOV GAMMA RAY TELESCOPE	--- No Data ---
Palestine (TX)	10/6	F 11 h	MEASURE FLUX OF HIGH ENERGY NUCLEI IN COSMIC RAYS	--- No Data ---
Sanriku	10/7	---	ELECTRIC FIELD	--- No Data ---
Palestine (TX)	10/7	F 11 h 40 m	OBSERVE SPECTRAL LINES FROM SELECTED STARS	--- No Data ---
Sanriku	10/9	---	GALACTIC INFRARED	--- No Data ---
Aire Sur L'Adour	10/10	F 5 h 50 m	SPARK CHAMBER TELESCOPE	--- No Data ---
Mildura	10/12	---	ASHCAN	--- No Data ---
Mildura	10/13	---	ASHCAN	--- No Data ---
Mildura	10/20	---	ASHCAN	--- No Data ---
Palestine (TX)	10/22	F 4 h 40 m	MEASURE FLUX OF HIGH ENERGY NUCLEI IN COSMIC RAYS	--- No Data ---
Palestine (TX)	10/22	F 4 h 55 m	THISBE (Telescope of Heidelberg for Infrared Studies by Balloon-borne Experiments)	--- No Data ---
Palestine (TX)	10/24	F 5 h	NEAR I.R. SOLAR MEASUREMENTS	--- No Data ---
Palestine (TX)	10/25	---	MEASURE LOW ENERGY GAMMA RAY PRODUCTION	--- No Data ---
Palestine (TX)	10/27	F 5 h 30 m	X-RAY ASTRONOMY EXPERIMENT	--- No Data ---
Palestine (TX)	10/28	---	MEASUREMENT OF ZODIACAL LIGHT	--- No Data ---
Palestine (TX)	10/28	F 6 h 20 m	MEASURE LOW ENERGY GAMMA RAY PRODUCTION	--- No Data ---
Palestine (TX)	10/31	F 8 h 15 m	THISBE (Telescope of Heidelberg for Infrared Studies by Balloon-borne Experiments)	--- No Data ---
Palestine (TX)	11/2	---	OBSERVATION OF GAMMA RAYS FROM CRAB NEBULA	--- No Data ---
Longreach	11/4	---	ASHCAN	--- No Data ---
Palestine (TX)	11/5	F 8 h	MEASURE LOW ENERGY GAMMA RAY PRODUCTION	--- No Data ---
Longreach	11/5	---	ASHCAN	--- No Data ---
Longreach	11/6	---	ASHCAN	--- No Data ---
Palestine (TX)	11/10	f 1 h	ATMOSPHERIC GAMMA RAYS	--- No Data ---
Paraná	11/11	10 h 55 m	GAMMA RAY AND NEUTRON MEASUREMENTS	near the town of Piquillin, Cordoba province
Paraná	11/15	---	GAMMA RAY TELESCOPE	Ground abort. Inflation tube detachjed from balloon during inflation.
Hyderabad	11/15	4 h	X RAY OBSERVATION	--- No Data ---
Paraná	11/16	9 h 55 m	GAMMA RAY TELESCOPE	near the town of San Carlos, Santa Fe province
Hyderabad	11/19	---	GAMMA RAY OBSERVATION	--- No Data ---
Paraná	11/20	9 h 50 m	LOW ENERGY GAMMA RAY TELESCOPE	near the town of Monte Ralo, Cordoba province
Palestine (TX)	11/20	f 1 h	ATMOSPHERIC GAMMA RAYS	--- No Data ---
Paraná	11/22	11 h 25 m	GAMMA RAY AND NEUTRON MEASUREMENTS + PHOTOGRAPHIC EXPERIMENT	near the town of Almafuerte, Cordoba province
Paraná	11/23	11 h 35 m	ATMOSPHERIC NEUTRONS MEASUREMENTS	near the town of Calchin, Cordoba province
Hyderabad	11/24	3 h	GAMMA RAY OBSERVATION	--- No Data ---
Paraná	11/25	9 h 55 m	GAMMA RAY ASTRONOMY	Near La Paz, Mendoza, Argentina
Paraná	11/27	---	FAR INFRARED GALACTIC MEASUREMENTS	Balloon Failure
Paraná	11/29	F 6 h 45 m	FAR INFRARED GALACTIC MEASUREMENTS	near the town of Las Varillas, Cordoba province
Paraná	12/1	11 h 10 m	GAMMA RAY TELESCOPE + PHOTOGRAPHIC CAMERA	Near Agua de Oro, Cordoba province, Argentine
Paraná	12/5	10 h	GAMMA RAY ASTRONOMY	near the town of Milagro, La Rioja province
Paraná	12/6	11 h 19 m	FAR INFRARED GALACTIC MEASUREMENTS	Near Jesus Maria, Cordoba, Argentina
Palestine (TX)	12/7	---	MEASURE LOW ENERGY GAMMA RAY PRODUCTION	--- No Data ---
Hyderabad	12/9	---	GAMMA RAY OBSERVATION	--- No Data ---
Palestine (TX)	12/10	F 3h	MEASURE LOW ENERGY GAMMA RAY PRODUCTION	--- No Data ---
Paraná	12/10	8 h 10 m	MEASURE THE INTENSITY OF ATMOSPHERIC NEUTRONS	Salsacate, Cordoba province, Argentine
Palestine (TX)	12/16	F 6 h 30 m	TEST OF SUNTRACK DEVICE AND NEW ANTENNA SYSTEM	--- No Data ---
Chico (CA)	12/17	6 h 42 m	--- NO DATA ---	--- No Data ---
Hyderabad	12/18	3.8 h	GAMMA RAY OBSERVATION	--- No Data ---

version 2.0

Stratospheric balloons launched

worldwide in 1971