mupos re
Meanwhile,

i

the Academy's wo:

vigorously further studies

of the van

eho

dS aT

Pods

Cw leit.

om

oo

To @erane ticri aera

revealed by Explorers Ian {Il,

the Van Allen radiation belts, an:

1° DtaAer ee any artit

from the proposed Argus experin eni

Balrarientaty on

designed and developed at the Sta « |
rockets of the type developed by on:
the Jet Propulsion i.aborat. ry ot tLe
had already been achedulec as sae:

moet

bik

Ty

DO

1M,

tee ak!

aorta
oa

.

eo

tattoo
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r

program was the jaunching of Fa.

fondu ft

omg

On July 26, (¢58, Exjlorer
inclined at a 51° angle with the
perfectly,
the nature,

ean

immediately begar tra

ntensity and distribiit

inclination orbit preved to "ea
used 34° inclination orbits
Meanwhile,

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ot Lo

ors

tae

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potas

:

:

Wat!

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ora

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Preliminary sounding rock t ft igril-

1

vr

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edu

ma t

a
6

:

4

“date

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task force was enroOute te tre ses gyri
“Yarn ey

it

-

‘cat.

duet

the new observ ng stet.

Island in Virpiria,

gy

ty

nab

1

oye

Air Force Base un bioriaa
Bursts occurred on the

. Ft

or

hours and or the oth of Septermpte
time,

In order to produce

ar

'

-t

'

Boost

~

wie t
rot

calculations showed that th 5 co.

os

.

the fact that the earth's maygneti

is

sath t the

ewSEES EE

Se

mmsCTL

ae

eda Ott CL

the surface zt these congitu ee»

oe

'

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'

1

t

Lhe
fy

obi

po

ool
1

hye

ly

to

et

the shell between longitude zeruun

Because of the

eo

de

it was desirable tc minimizetre

to its rotaticnal axis

‘

noo

ar

toms

na

14

gare

2

'

‘

smali eieics

vat

bursts, ther? was 7 tasiau’ raz:
A fase mating sequence

6

7.

ry

imitial flash of the burst wa su.
+
auroral iuminescence inthe atrr
oyu
along the magnetic usne of for we tees
taneously at the point wher: this

M4

'

hOPat ad

‘int
*

t

ve

‘

diss
-t

,

‘

ap se
tort

hose ot

atmosphere in the northern nerniteore

near the Azcres isiands, a oright «0°

1

.

was observed from aircraft pres.
the event,

ue

4

\

were being related te a quartitat

:

\‘

into the earth's magnetic fi-eie ov
energies ate known positra

ar!

The diverse radiation instr

4
th
A

oo +

reported to ground stations thr at.

shell of high energy electrons oro
the bursts. The satellite ¢ ntin

,
‘

.

ore

ttete

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oy

‘
.
oes
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and the rompiex sere:

time in history measurec gouprys

Jo

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