The microwave attenuation and the pressure gradients in the shock flow of a pressure driven shock tube at an axial and at a nonaxial position are compared. A dual cookie cutter microwave system and a dual beam laser schlieren system are used to probe the shock‐heated air.

1.
V.
Manheimer‐Timnat
and
W.
Low
,
J. Fluid Mech.
5
,
449
(
1959
).
2.
F. L.
Tevelow
,
J. Appl. Phys.
38
,
1765
(
1967
).
3.
H. Mirels, in Proceedings of the Eighth International Shock Tube Symposium, edited by J. L. Stollery, A. G. Gaydon, and P. R. Owen (Chapman and Hall, London, 1971), p. 6/1.
4.
H.
Mirels
,
Phys. Fluids
6
,
1201
(
1963
).
5.
H.
Mirels
,
Phys. Fluids
9
,
1265
(
1966
).
6.
E. M. Rothkopf and W. Low (to be published).
7.
W. J.
Hooker
,
Phys. Fluids
4
,
1451
(
1961
).
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