rf - Free and Open Source Software

inside. Additional frequencies may be obtained
fo r $35 each.
For further information write Pioneer Electronics,
738 Pacific St., San Luis Obispo,
California 9340 I .
Linear Systems, Inc.
David C. Thompson, President of Linear
Systems, Inc ., has announced the election of
David K. Bradley as Vice President, Ma rketing
for the firm. Mr. Bradley previously was National
Sales Manager for the SBE line of amateur
radio products at Rayt heo n Company.
South San Francisco, California. He has been
active on several EIA committees in the amateur
and citizens band business. Mr. Bradley
is well known in the amateur radio fraternity
and has the amateur license W6CUB. Prior to
joining Raytheon, Mr. Bradley owned and operated
an amateur radio distributorship in
Northern California. Mr. Thompson stated that
Mr. Bradley brings a unique combination of
technical and marketing experience to the compa
ny. This capability fits the needs of Linear
Systems, Inc., which Mr. Thompson stated
plans to become a broad based communications
company.
Optiftex
Fiber optics is that light-p ip ing idea you
have been reading about sometimes over
the past few years. I B.\1 uses fiber op tic devices
to pipe light to convenient corners of
their curd-read ing m achines, eliminating
many individual lamp assemblies. Xow the
idea is appearing in service gear.
MAY 1969
Amcrtest Products' hand y litt le lamp consists
of a conventional penlight plus a flexible
fiber optic cable. T he cab le reallv is flexible
enough to tie into knots. It's a nonconductor.
too, so that you ca n poke it into live circuits
and assemblies without concern about
new unwanted connections inside the gear
or out to the real world, including yourself.
Just right for getting some light into
those dark corners.
Suggested list price on the Optiflex lamp
is 84.6;3. For additional data inquire at your
d ealer's, or write to Amertest Products Corp.,
]-44-27 Jamaica Ave. , Jam aica, L.I.• N".Y.
11 43.5.
AMD Microphone
]f you are interested ill outdoor amateur
operating, serious on-location tape recording,
in speech work, or public speaking applications,
here is a m icrophone that may
well be a Best Buy.
Since it is a cardioid microphone it has
a strong null toward the cable-attachment
end. T his avoids crowd noise problems, and
greatly alleviates the nuisance of audio feedback
in public address applications.
F or ou tdoor tape recording and amateur
operating, its built-in windscreen styling reduces
or eliminates the need for the frequently-seen
large p lastic foam cover. And
the microphone's 100 to 12,000 liz response
is adequate for all speech and some musical
applications.
Special connector wiring in the microphone
stem offers the user a choice of 600
ohm impedance ( -73 dh sensitivity) or 50K
ohm impedance (-54 db sensitivity.) It has
an on-off switch, and comes with 20 feet of
cable with a standard phone plug, and a
swivel microphone stand connector.
Priced at $13.95 retail, from A~ID
Electronics,
663 Dowel Ave., Elizabeth, " .J.
0i201.
FCC Recognizes
Thailand-Almost
The FCC has announced tha t it is
now permissable to contact stations in
T hailand using U.S. calls/ HS. Communications
are still prohibited with the HS
prefix stations.
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