PW 1990 07.pdf

(44063 KB) Pobierz
JULY
1990
(ON
SALE JUNE
14)
VOL. 66
NO. 7
ISSUE
1000
Editor
Rob
Mannion G3XFD
16
17
22
* Discount Vouchers *
Competition Corner
The RB1.0 Antenna-
Part 1
Fred Judd G2BCX
A•iatant Editor
Dick Ganderton C.Eng MIEE
GBVFH
Art Editor
Steve
Hunt
Technical Feetur88 Editor
Elaine
Richards
G4LFM
24
Further Notes on the Small
50MHz Vagi
Ken
Willis GBVR
Technical Projecta Sub-Editor
NG
("Tex")
Swann
G1TEX
Technical Artiat
Rob Mackie
Editorial Aaalatant
Sharon George
26
Valve Technology
&
Characteristics - Part 1
Peter Buchan G31NR
Admlniatration Manager
Kathy Moore
Account• Manager
Alan
Burgess
Clerical Aaalatant
Rachel Parkas
31
Taming Computer Hash
Peter Rouse GU1DKD
33
Advartiaement Manager
Rog
er Hall
G4TNT
PO Box 948
London SW6 2DS
..
071-731
6222
Cellphone 0860
511382
FAX 071
-384
1031
33
PW Review
lcom IC-R1 Hand-held Receiver
Rob Mannion G3XFD
*Special 1000th Issue
Celebration Supplement *
Advert Copy and Make-up
(Poola Office)
Marcia
Brogan
" Poole
(0202)
676033
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57
Practically Yours
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ireless
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PW Review
Mizuho MS-7S 40m SSB/CW
Transceiver
&
Accessories
Chris Lorek G4HCL
63
Regular Features
91
69
87
57
13
16
86
24
14
15
67
32
Advert Index
Backscatter
Book
Service
Errors
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Keylines
Newsdesk 90
PCB Service
Radio
Diary
Receiving
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Services
Wanna Swap
Wireless-Line
66
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60
Special Event Stations
Michael Lawton GW410P
The Marland SSB Transmitter
-
Part 1
Rev.
G.
C.
Dobbs G3RJV
CB Corner
Rick Maybury
PW Peanut Transceiver - Part 2
Gus Montgomery
GMOA Tl
&
Bill Halt G7DHM
COPYRIGHTe
PW PUBliSHING LTD. 1990. Copyright
in all
drawings, photographs and
articles published
in
Practical
Wireless
is
fully
protected
and
reproduction
or
imitation
in
whole
or part is
expressly
forbidden.
All
reasonable
precautions
are
taken
by
Pr~cticsl
Wireless
to ensure that the advice
and data given
to our
readers
are
reliable. We
cannot however guarantee
it
and
we
cannot accept
legal
responsibility for
it.
Prices are those
current
as
we
go
to
press.
PUBUSHEO
on the
second Thursday
of
each month
by PW Publishing
Ltd.,
Enefco
House. The
Quay, Poote, Dorset BH151PP.
Printed
in
England
by
Blackmore Press. Shaftesburv. Dorset. Tel: 0747 53034.
Distributed bySeymour,
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PW Publishing Ltd
.,
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WIRELESS is
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Practical Wireless, July
1990
THE NEW IC-2SE,
SIMPLE OR MULTI-FUNCTION
144 MHz FM TRANSCEIVER
lcom's tradition of building high quality,
reliable handhelds continues with the IC-2SE
an incredibly compact handheld designed
with features that exceed larger, bulky
handhelds. The IC-2SE proves that superior
quality comes in all sizes.
Slim and unbelievably compact.
The IC-2SE measures only 49(W)
x
103.S(H)
x
33(0)* mm with the BP-82 Battery
Pack. Hold the IC-2SE in your hand to truly appreciate its miniature size
.
Weighing just 270gt with the BP-82, the IC-2SE will easily fit anywhere- on belts
in
shirt
pockets, handbags, etc.
*1.9(W)
x 4(H) x 1.3(0) in
.
t 9.5 oz.
4SE, 7cm
VERSION
NOW
AVAILABLE
Actual Size
~
Simple design for
ope~ng
convenience.
Even
with
its tremendous versatility and a wide variety of functions, the IC-2SE is
easy to use. All functions are performed by a total of just six switches and three
controls
.
The IC2SE
includes
both simple and multi-function modes
.
The result is
two transceivers in one
:
both an easy-operation and multi-function transceiver.
Simple mode
ensures
totally error-free operations
.
Multi-function mode allows
you
a variety
of function settings depending on your operating
requirements.
Other advanced features:
Reduced
size
doesn
't
have to mean reduced quality. The IC-2SE proves this with
a
wide
variety of advanced functions.
• Tuning control on the lop panel for quick QSYing
.
• Monitor function that allows checking of the input frequency of a repeater
.
• Function display that clearly shows all information required for operations.
• Splash resistant design and durable aluminum die-cast rear panel for
dependable outdoor operations
.
Options
• IIA-11, BoltoM
Cap.
Protective
cap
for
terminals
on the base of the
IC
-2SE
.
• llattery
packs
ancl
case.
•HM-46, Spoc*er/Microphono.
Combination
speaker
and microphone equipped
with an earphone jack
.
Clips to your
shirt
or lapel.
BP-81
BP-82
BP-83
BP-84
BP-85
BP-86
..................
..................
..................
..................
..................
..................
7.2V,
11
OmAh
7.2V, 300mAh
7.2V, 600mAh
7.2V,
1000mAh
12V,
340mAh
Case for six
R6
(AA)
size batteries
•HS-51, H. . . . . .
Headset
with
VOX
function
that
allows you hands-free operation.
• C...-ylng
ea-.
Carrying Case
• BC-721, AC
llattery
Charger.
Desk top
charger
for
the
BP-81
-
BP-85.
• CP-12, Clga......
llghter
c.W.
with
noM
filter.
Allows
you
to use the
IC-2SE
through
a
12V
cigarette
lighter
socket.
Also charges the
BP-8 1
-
BP-85.
• FA-14088,
144MHII
flexible
antenna.
Fl
exible
antenna for 144MHz band operation
.
Same type
supp
lied
with
the IC
-2S
E.
Battery Packs,
Battery Case
LC-53
....................
BP
-8
1
LC-55
....................
BP
-8
1, BP
-83 or
BP-86
LC-56
....................
BP
-84
or
BP
-85
•
MB-30,
Mounting Bnocket.
Mounts the IC-2SE in o
vehic
le
or on
a wa
ll.
• OPC-235, Mini DC Power Cable.
For
use with a
13.8
V
DC
power
su
pply
lcom (UK) Ltd.
Dept
PW,
Sea Street, Herne
B~y,
Kent CT6 8LD. Tel: 0227 363859. 24 Hour.
2
Practical
Wireless, July
THE COMPACT HANDHELD
WITH A
SPLri
PERSONALITY
5 Watt Output Power.
Utilizing
a
specia
lly designed ultra
-s
mall
highly
efficient power
module, the IC-2SE
delivers a full 5
W
*
of output power.
Bring
those distant repeaters into range
.
·
At
13.8V
DC
Power Saver for longer operating
time.
The power
saver ensu
res lower
current
flow
during
stand
by conditions
.
Operating
times are much longer
th
an wit
h
older,
more conventional
transceivers.
Convenient Scan Functions.
The
IC-2SE is equipped with
VFO
and
memory
scan.
•
VFO
Scan.
VFO
Scan
re
peatedly
sca
ns
all
VFO
frequencies. In addition,
unnecessary
frequencies can
be
skipped.
•
M-ry
Scan.
Memory
scan repeatedly
scans
memory channels
.
48
Memory Channels.
The
IC-2SE ha
s
48
fully-programmable
memory channels and one call
channel.
Each
memory
and call
channel stores
an
operating
frequency
and
other information
required
fo
r
repeater operations
.
Built-in Clock
with
timer functions.
The
IC-2SE is
eq
uipped
with on advanced
24-hour system clock with
timer
function
.
The transcei
ver
automatically
turn
s
on when
real
time
matches
a pre-progra mm
ed
time
.
Thi
s
is perfect fo
r scheduling
QSO
's.
Auto
power-off timers
and other
settings
con be
made
in clock mode.
Auto Power OH Timer Function.
If
you ever
forget to turn the IC-2SE off, don
't
worry
.
it
will turn itself
off. Power-off
time
can
be selected or
deactivated
using
multi
-
function mode
.
Preserv e battery
pack
power for the
times when you
need
it
most.
Convenient Repeater Functions.
Th
e
IC-2SE
is
equipped
with programmable
offset frequencies for accessing
repeaters.
All
memory channels and a call channel
store repeater information for your
convenience
.
The
IC-2SE includes a newly
designed
1750Hz
tone call transmit
function. A
1750Hz
tone
ca
ll tran
sm.ts
i
when the PTT
switch
is
pushed
twice quickly
.
Priority Watch.
Why
interrupt calls
to check
other
stations?
Priority
watch
monitors
a
specified
station
every five seconds
while
you operate
on a
VFO frequency
.
Continue
with your
communications and
let
priority watch
do the
checking
for
you.
Helplnea
Telephone us free of charge on
0800 521145
Mon-Fri
0900-13.00
and
14.00-17.30.
1
This service
is
strictly for
obtaining information about or ordering lcom equipment. We regret this cannot be used by dealers or for
repair
enquiries and parts orders, thank you.
Datapasta Despatch on same day whenever possible.
VIsa
& .............,
Telephone orders taken by our mail order dept. instant credit
&
interest-free HP.
Practical Wireless,
July
1990

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