Time of firing: 0716 MST
    Agency: Applied Physics Laboratory, Johns Hopkins University
    Altitude: 86.75 miles

UPPER AIR INSTRUMENTS

    Composition: Air-sample bottles (SCEL, Mich. U.)
    Cosmic radiation: Single Geiger counter in nose extension. Four pulse ionization
        chambers heavily shielded with lead (APL)
    Solar radiation: Ultraviolet solar spectrograph (APL)
    Other: High altitude photography: K 25 with infrared film

DATA RECOVERY INSTRUMENTS

    Telemeter: PXTA-501 23 channel NRL PPM/AM system
    Physical recovery: Warhead blowoff by radio command, primer cord and TNT to
        sever forward portion of rocket

BALLISTIC INSTRUMENTS

    Firing Range
        Theodolites: Two Mitchell and seven Askania stations
        Cameras: Two ballistic and two Bowen-Knapp stations
        Telescopes: Three stations
        Radar: Two modified SCR-584 S-Band stations

    Airborne
        Beacon: AN/APN-55 (XE-2)
        Radio Cutoff: AN/ARW-17. FM control receiver for command fuel cutoff.and
        blowoff
        Aspect: Giannini heliographs, four arrays of photocells
        Other: Routine rocket propulsion and control performance instruments. (G.E.)

ROCKET INFORMATION

    Unfueled rocket weight: 10,400 lb
    Gross weight at takeoff: 29,868 lb

ROCKET PERFORMANCE

    Firing angle: 0.0 degrees
    Program angle: Seven degrees
    Time to burnout: 66 sec.
    Velocity at burnout: 4590 ft. per sec.
    Altitude at burnout: 21.8 miles
    Time to zenith: 217 sec.
    Altitude to zenith: 86.75 miles
    Time to tail blowoff: 341.6 sec
    Altitude to tail blowoff: 38.6 miles
    Flight duration: 573 sec
    Impact Coordinates: 41 mi. north, 2 mi west

BALLISTIC DATA

    Theodolites: Askania trajectory data from 0 to 217 sec; Mitchell trajectory data
        from 0 to 79 sec
    Cameras: Ballistic - satisfactory operation from one station, no data from other.
        Bowen-Knapp - satisfactory operations.
    Telescopes: One 4.5-in. telescope tracked to 110 sec
    Radar: Trajectory data from 0 to 350 sec

DATA RECOVERY

    Physical recovery: Spectrograph in 16-ft crater - recovered. Camera recovered
        four hours after firing

EXPERIMENTAL DATA

    Cosmic ray: Single counter confirmed V-2 30 data. No information on ion
        chambers, composition, or solar radiation
    Photography: Cameras ran 68 sec

COMMENTS

    Rocket performance: Rocket very steady and rolled little

REPORTS AND PAPERS

    "The Cosmic-Ray Intensity Above the Atmosphere," A. V. Gangnes, J. F. Jenkins,
        Jr. and J.A. Van Allen, Phys. Rev. 75:57 (1949)