Popular_Electronics 1966-02.pdf

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BUILD TICKLE
STICK
FOR
PARTY
FUN
CENTS
SPECIAL
REPORT
ELECTRONICS
HOME STUDY
Can
you
get
a
good
job?
What
does
it
cost? What
schools?
Home
study
vs.
Resident school
Other
benefits?
How
much
time?
(starting
on
page
41)
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www.americanradiohistory.com
candsWho
Gained
ugh
NRI
TRAINING KITS
'CITING,
FAST
of
NRI
gradu-
ndustrial
Elec-
ion
and
Radio
tr
futures
and
-aining men to
-onics
has been
NRI pioneered
me
instruction,
equipment fur-
proved way
tin. With
NRI
r
position
with
on to
greater
'er how much
PICK
YOUR
FIELD
FROM
NRI'S
SPECIALIZED
INSTRUCTION PLANS
TELEVISION
-RADIO
SERVICING
Complete training from basic fundamentals of
electricity
to home
entertainment equipment.
You
learn to
fix
radios,
hi
-fi
and stereo
sets,
black- and
-white
and color TV, etc.
A
profitable
field
full or
part
time.
1
INDUSTRIAL-
MILITARY
ELECTRONICS
From basic principles to computers.
A
compre-
hensive
training plan that teaches you the fun-
damentals, then takes
you into such
modern-day
miracles
as servos, telemetry, multiplexing, pulse
I
circuitry, data processing, other important
subjects.
COMPLETE
COMMUNICATIONS*
l-
3
Designed to teach and provide you with actual
practice
in
operation,
service
and maintenance
of AM,
FM and TV broadcasting stations.
Also
covers
marine, aviation, mobile radio, facsimile,
microwave, radar.
ave,
é
`
FCC
LICENSE*
Specifically designed
short course
to
prepare
you
for your
First
Class FCC Radiotelephone
License examinations. You begin with
a
thor-
ough
background
in
fundamental Electronic
principles, advance to required subjects
cover-
ing
equipment
and procedures.
-tans
MATH
FOR ELECTRONICS
A
brief course for engineers and technicians
who
need a
quick
review of the
essential mathe-
matics used
in
industry, communications,
in
government jobs. Basic arithmetic
review,
short-
(take
$3
to
$5
An
Hour
in
Spare
Time
ou
don't
have to wait
until
you get an
NRI
diploma to start
rning.
As
many others have done, you can
be
making
$3
to
$5
hour
in
your spare
-time
as
you
train,
fixing
radios and
TV
t
3
for
friends
and
neighbors. You learn how to install, main-
and
service stereo
hi
-fi,
radios,
TV sets
(including color),
'en how to charge
for
service
and
how to set up
your
own spare-
ne
or
full-time business.
Many students pay for their
NRI
aiming
out of
spare
-time
earnings long before they graduate.
cut formulas, modern digital number system,
much, much more.
A concise course to teach modern Electronics
terminology and components. A wealth of prac-
tical, useful
information
to help you
better
un-
derstand
the
field, to give
you some technical
knowledge.
For
anyone who wants basic under-
standing of
Radio-TV Electronics.
BASIC
ELECTRONICS
killed
Technicians
Are
in
Demand
lese has never been
a
time when
ambitious
men with special
-
d.
Electronics knowledge
were
as
much in demand
as
they are
day.
From
television service
shops to launching pads, there's
:
rofitable place
for
you as a
skilled technician to help
service,
aerate,
install and supervise Electronically-controlled equip
-
.at. The
NRI
diploma
is
respected and recognized in business
C
industry.
It
can be your key to success in
America's
-lamor"
industry.
ELECTRONICS FOR
AUTOMATION
This course
is
not for beginners.
Offered for
men with some
fundamental
knowledge of Elec-
tronics who want
better understanding of Auto-
mation
in
present day
use.
Covers process
control, ultrasonics, telemetering,
and remote
control, electromechanical measurements, other
subjects.
AVIATION
COMMUNICATIONS*
This course
prepares
you
to
install, maintain,
service
aircraft
communications equipment.
Covers direction
finders, ranges,
markers, Loran,
Shoran, Radar, landing
systems.
Earn your First
Class FCC License with
Radar Endorsement.
MARINE COMMUNICATIONS*
Covers transmitters, direction finders, depth
in-
dicators, radar, sonar, other equipment
used on
commercial
ships
and thousands
of
pleasure
boats. Prepares
you for
a
First
Class
FCC
Li-
cense with
Radar Endorsement.
chievement
Kit
Gets
You Started
Fast
imple
of
the value
of
NRI
home-study training.
No other
mot has anything
like it.
Find out about the
NRI
Achieve-
nt
Kit, about
NRI
training equipment, about
NRI
courses,
Dut
opportunities for
success in
Electronics. Send
for
the
tl
catalog. There's no obligation. No salesman
will call.
kTIONAL RADIO INSTITUTE,
Electronics Division,
ashington,
D.
C. 20016.
so-n
as
you enroll with
NRI
we
deliver
to your door
every-
ng
you
need
to make
a
fast
start
in
the Electronics training
your
choice. This new
Achievement
Kit
is
an
unparalleled
MOBILE
COMMUNICATIONS*
1
Learn
to
install
and
maintain
mobile equipment
and associated base stations. Covers transmit-
ters and receivers used by police and
fire de-
partments, public utilities, construction projects,
taxis, etc.
Prepares
you for a
First
Class FCC
License.
*NOTE:
You
must
pass
your
FCC
License exam (any
Communications
course) or
NRI
refunds
in
full
the
tuition
you have
paid.
TAIL
POSTAGE
-FREE
CARD NOW
The
Oldest
and
Largest
School
of its
Kind
in America
!
WHERE
YOU
TRAIN
IS AS
IMPORTANT
AS
YOUR DECISION
TO
TRAIN
At
NRI
you are
backed
by
50 Years
of
leadership
in
home
-study
training
for
Electronics
Automation
TV
Radio
Fifty
years ago,
a
school teacher
named James
E.
Smith
started
giving
extra instruction
to
four
of
his
students
in
the
"mysterious"
new
field
of radio. From
that
small beginning,
National Radio
Institute
has grown to
be
America's
largest home -study school
in
the
many
fields
of
Electronics. Nearly
three -quarters of
a
million
students
J.
E.
Smith,
have
enrolled over
the years. This
Founder
-1914.
vast experience
is
behind
NRI's
meaningful, interesting, easy
-to-
understand methods of
training; methods that
make Electronics
a
practical
subject for almost anyone to learn no
matter
how much
or
how little
formal education
he
has.
But experience
is
only the
base
upon
which
NRI
is
¡built. Today there
is
a
staff
of
more than
150
dedicated
4'eople
working with
you as
a
"class" of
one, keeping
i
training material up
-to -the-
minute, providing consulta-
tion
services as you
train,
advising you
about
new
de-
velopments
in
Electronics,
even
helping you
with
job
placement
when
you're
ready. Ask men whose
judgment
you respect
about NRI
training. And send for the
cata-
log
we
offer.
Read
about opportunities
in
Electronics,
about
new
developments,
about NRI
itself and the
variety
of
training plans open to
you
at reasonable
cost. Mail the
postage
-free
card
today.
JOIN
MEN
LIKE
THESE
TRAIN
FOR
SUCCESS
WITH
NRI
"I
went Into
my
own
business
six
months after finishing
the
NRI Radio-
TV Servicing
Course.
It
makes
my
family
of
six
a
good living. We
repair
any
TV or Radio.
I
would not take
anything for
my
training
with NRI.
It
is
the
finest."
DON HOUSE, Lubbock, Texas
"Many thanks
to
NRI for the Elec-
tronics training
I
received.
I
hold
a
first class FCC
License and am
em-
ployed
as
a
studio
and
master control
engineer/technician
with KXJB
-TV."
RONALD
L.
WOOD,
Fargo, N.D.
-
"I
am
a
Senior Engineering Aide at
Litton Systems,
in
charge of checkout
of magnetic recording
devices
for our
computers. Without
the help of
NRI
I
would
probably
still be
working
in a
factory at
a
lower
standard
of
living."
DAVID
F.
CONRAD,
Reseda, Calif.
"NRI
training enabled
me to
land
a
very good
job
as
Electronic Technician
with
the
Post
Office
Dept.
I
also have
a very
profitable spare-time
business
fixing
Radios and
TV."
NORMAN RALSTON,
Cincinnati,
Ohio
www.americanradiohistory.com
POPULAR
ELECTRONICS
VOLUME 24
POPULAR ELECTRONICS is
indexed
in
the Readers'
Guide
to
Periodical Literature
This
month's
cover photo
by
Bruce
Pendleton
FEBRUARY,
1966
NUMBER
2
Special
Feature
Project
CHOOSE
Part
2:
Correspondence
Schools
Ken
Gilmore
41
r.
Electronic Construction Projects
Reverb
for
Your Car
Solid -State
Tachometer
for
CD
or
Transistor Ignition
Systems
Dwell
Meter Adapter
Meet
the Mini
-Organ
The
Tickle Stick
Daniel Meyer
Murray Gellman
David
H.
Bozarth
William
S.
Gohl
Fairis
S.
Burt
50
54
58
70
82
Communications
Satellite Activity
Report
On
the Citizens
Band: ALERT CB'ers
Battle
"Betsy"
Matt
P.
Spinello,
KHC2060
Short-Wave
Listening: Monitor Certificate Applications
and
DX
Awards
English- Language Broadcasts
to North America
Amateur
Radio:
A
Safety Belt
May Save
Your Life
DX
States Awards Presented
Hank Bennett, W2PNA
Robert Legge
Herb
S.
Brier, W9EGQ
38
73
75
76
77
114
Other Features
and
New
Developments
Electromaze
Puzzle
Zero
-Beating the
News
Parts Profiles
There's
One in
Every Crowd
Four
-Letter
Quiz
Solid State
Robert
C.
Radford
Don Lancaster
Buz
Holland,
WA4YKK
59
64
66
69
72
79
Robert
P.
Bolin
Lou
Garner
Departments
Letters
from
Our Readers
Out of Tune
Tips
&
Techniques
Reader Service
Page
New
Products
Operation Assist
Electronics Library
New
Literature
Ham Hobby
Clearinghouse
Copyright
g
1965
by ZIFF-DACIS PUBLISHING
COMPANY. All
rights reserved.
POPULAR ELECTRONICS
is
published monthly
by Ziff
-Davis
Publishing
Company
at
307
North Michigan Avenue,
Chicago, Illinois
60601. February.
1966.
Volume
24. Number
2.
(Ziff -Davis
also
publishes
Skiing, Flying, Busi-
ness
/Commercial
Aviation,
Popular Boating,
Car
and Driver, Popular Photography-
Ht
-Fi
Stereo
Review,
Electronics
World, Modern Bride.
Skiing Trade
News and
Skiing
Area News.)
One
year
subscription rate
for U.S.,
U.S.
Possessions
and
Canada.
$4.00;
all
other
Foreign.
$5.00. (Schedule
for payment
in
foreign
currencies
may
be
found elsewhere
in
this issue.)
Second Class
postage
paid
at
Chicago, Illinois. and
at additional mailing
offices.
Authorized
as
second
class
mail
by
the Post
Office
Department, Ottawa,
Canada. and for payment
of
postage
in
cash.
SUBSCRIPTION SERVICE:
All
subscription correspondence
should
he
addressed
to
POPULAR ELECTRONICS,
Circulation
ment, Portland Place, Boulder,
Colorado
80311. Please
allow
at
least six
weeks for change
of
address. Include
your
old
Depart-
address
as well
as
new
-enclosing
If
possible
an
address label
from
a
recent
Issue.
EDITORIAL CONTRIBUTIONS
must
be
accompanied
by
return postage
and will he
handled with reasonable
rare:
however,
publisher assumes
no
responsibility
for
return
or
safety
of
art work, photographs
or malt
userlp[s.
6
12
14
15
22
30
90
91
w
94
www.americanradiohistory.com
AFAR
Y
rum
...
NOT ONLY
YOU GET
BUT
HELPS
IN
YOU
COS
NO
EXTRA
OFT
STARTED
AT
THE
TRAINS
HOME LABORATORY EQUIPMENT
YOURS TO
KEEP!
-
ELECTROflCS!
VPREPARE
AT
HOME
Whether
you
want
to prepare
for
a
good -paying
new
job
or
for advancement
in
Electronics with your present employer,
DeVry Tech
offers specialized educational programs designed to
meet your
needs.
You set up
your
own HOME LABORATORY
and
work over 300
construction
and
test procedures to
develop
on -the -job
type skills.
You
build
a
quality Transistorized
Meter,
a
5
-inch
Oscilloscope
and
a
special Design Console.
DeVry
also
includes modern
"programmed"
texts,
instructive motion
pic-
tures, Consultation Service.
Effective?
Yes!
schools under the close guidance
of friendly, experienced
instructors.
You
work with
a
wide
variety
of
commercial equipment
similar
to
that
actually
used in in-
dustry
as
you prepare
in
our laboratories for
a
technician's job
in
Communications, Microwaves,
Radio -Television,
Automation,
Radar,
Computers, or other branch of Electronics.
DeVry even
provides
part-time job placement
service to those who wish to
earn extra money while
attending
day
or evening classes.
U.S.
or Canadian resident
V
RESIDENT SCHOOL
If
you
prefer
you may get all of
your training
in
DeVry's
VPLACEMENT
SERVICE
Meet
W.
E.
Bartz, who has helped
thousands
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DeVry
men
toward exciting, profitable careers
in
Electronics.
When
YOU
complete your program,
he
will
help you too.
As
Placement
Manager
in
touch with
business
and
industry
across the nation,
Bartz knows the
employer demand
for
DeVry-
trained
men.
He
has
cooperated
in
placing our graduates with thousands of
firms!
Men 18 -45,
start
preparing
NOW
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vast
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field.
Soon you
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DeVry's
valuable employment help!
No
Advanced
Education
or
Previous Technical
Experience
Needed
to
Get
Started
Your
ambition
and
desire to
suc-
ceed are
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important!
DeVry
guides you every step of the way
toward success.
Free
Send
coupon
for these
two,
DeVRY
TECHNICAL INSTITUTE
4141
Belmont
Avenue, Chicago,
111.,
60641 Dept.
PE-2W
Please give me
your two free booklets, "Pocket
Guide to
Real
Earnings."
and
"Electronics
in
Space Travel
":
also
include details
on how
to prepare
for
a
career
in
Electronlics.
I
am interested
in
the
following opportunity fields
(check one or more):
Communications
Space
&
Missile Electronics
Computers
Tellevision and Radio
Broadcasting
Microwaves
Industrial
Electronics
Radar
Electronic Control
Automation Electronics
factual
book
lets
NOW!
Chicago,
Illinois
6
Name
Address
Age
Apt
Zip
Code
DEVRY
TECHNICAL INSTITUT
141
Belmont Avenue
State
City
Check here
if
you are
under
16
years of
age.
2103
Acember
of
National
Home Study Council
HOME STUDY AND RESIDENT SCHOOL
TRAINING
AVAILABLE
IN
CANADA
February,
1966
3
www.americanradiohistory.com

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