tside sources
anted oscilla-
ing and con-
lerometers 1),
ors is greatly
oppler radar,
systems — is
n period. An
equivalent to
lum or Schu-
t it oscillates
>, consequent-
irbances. The
ial advantage
atform (con-
nd torques),
1 can provide
plete attitude
m PVRU.
SURVEY NAVIGATION, CORTEN 85
: = : : : ; : af . PVR
Fig. 25. Aeroflex inertial vertical; power supply and computer of the PVRU.
Acknowledgement.
In compiling this report, the author was assisted by members of the subcommission
I3, particularly by Mr Eldon D. Sewell.