Accession Number:

AD0625118

Title:

PERFORMANCE OF THE AN/GMD-2 RAWIN SET IN THE DENPRO SYSTEM

Descriptive Note:

Technical memo.

Corporate Author:

PACIFIC MISSILE RANGE POINT MUGU CA

Personal Author(s):

• Wallston, R. A.

Report Date:

1965-12-01

Pagination or Media Count:

20.0

Abstract:

An analysis is performed of the velocity and altitude data derived from the ANGMD-2 rawin set track of four flights of the density probe DENPRO vehicle. Data from ANFPS-16 radars are available for two of the flights and are used as a basis for evaluating the ANGMD-2 data. Slant ranges and vehicle velocities derived from the ANGMD-2 compare favorably with those derived from the ANFPS-16 data. Vehicle altitudes derived from the ANGMD-2 are consistently lower than those derived from the ANFPS-16. This was due to AN GMD-2 rawin-determined evaluation angles being lower than ANFPS-16 radar- determined evaluation angles by varying amounts, though the reason for this has not yet been determined. It has been concluded 1 that the modified ANGMD-2 is capable of tracking a rocket probe, 2 that ANGMD-2 rawin-determined velocities may be expected to be within 1 per cent of ANFPS-16 radar-determined velocities, and 3 that ANGMD-2 rawin-determined altitudes are about 1 per cent lower than ANFPS-16 radar-determined altitudes, up to an altitude of 400, 000 feet. Author

Descriptors:

• *RADIOSONDES
• *SOUNDING ROCKETS
• VELOCITY
• DATA PROCESSING
• ALTITUDE
• PERFORMANCE(ENGINEERING)
• TRACKING

Subject Categories:

• Test Facilities, Equipment and Methods
• Active and Passive Radar Detection and Equipment
• Telemetry

Distribution Statement:

APPROVED FOR PUBLIC RELEASE