Time of firing: 0958 MST
    Agency: Naval Research Laboratory
    Altitude: 93.7 miles

UPPER AIR INSTRUMENTS

    Pressure-temperature: Stagnation pressure at nose
    Cosmic radiation: Minimum ionization emulsions
    Solar radiation: Extreme ultraviolet and soft x-ray photon counters
    Ionosphere: Radio propagation experiment. Ion collectors. Electrostatic field.
        Photo emission. Soft x-ray film detectors
    Other: Meteoric dust collectors

DATA RECOVERY INSTRUMENTS

    Telemeter: NRL 30-channel pulse position AN/DKT-1(XN-1)
    Airborne recorder: 15-channel photo recorder
    Physical recovery: Nose separation explosives in control chamber

BALLISTIC INSTRUMENTS

    Firing Range
        Theodolites: Three Mitchell and nine Askania stations
        Cameras: Three ballistic and three Bowen-Knapp stations
        Telescopes: Four stations
        Radar: Two SCR-584 S-band stations
        Impact location: Impact point computer

    Airborne
        Beacon: APN-55 S-band
        Radio Cutoff: AN/ARW-37 command fuel cutoff and blowoff
        Other: BRL spectro camera

ROCKET INFORMATION

    Unfueled rocket weight: 9276 lb
    Unfueled rocket C.G.: 236.2 in.
    Gross weight at takeoff:: 28,911 lb

ROCKET PERFORMANCE

    Program angle: Seven degrees from vertical
    Time to burnout: 64.5 sec
    Velocity at burnout: 5000 ft/sec
    Altitude at burnout: 20.9 miles
    Time to zenith: 225 sec
    Altitude at zenith: 93.7 miles
    Time to tail blowoff: 336.8 sec
    Altitude at tail blowoff: 56 miles
    Flight duration: 470 sec (last radar signal)
    Impact coordinates: 43.5 mi. north, 3 mi. west

BALLISTIC DATA

    Theodolites: Askania data for 95 sec, Mitchell data for 56 sec
    Cameras: Complete records
    Telescopes: Aspect data for 71 sec
    Radar: Tracking data for 470 sec except for intervals near end of burning
    Impact location: No prediction from impact point computer due to loss of tracking at
        30 sec

COMMENTS

    Rocket performance: Normal performance, rocket started to roll at 67 sec (fin tabs
        positioned)

REPORTS AND PAPERS

    J. E. Jackson, "Rocket-Borne Instrumentation for Ionosphere Propagation Experi-
        ments," NRL Report 3909, January 1952
    J. C. Seddon, "Propagation Measurements in the Ionosphere by Means of Rockets,"
        Trans. Am. Geophys. Union 33:322 (Abst.) (1952)
    J. C. Seddon, Upper Atmosphere Research Report No. XXII - "Rocket Investigations
        of the Ionosphere by a Radio Propagation Method," NRL Report 4304, March
        1954
    J. C. Seddon, "Propagation Measurements in the Ionosphere With the Aid of Rockets,"
        in "Rocket Exploration of the Upper Atmosphere," edited by R. L. F. Boyd and
        M. J. Seaton, London:Pergamon Press, 1954, pp. 214-222
    J. C. Seddon, "Electron Densities in the Ionosphere," J. Geophys. Res. 59:463,
        December 1954