Fall 2002.pdf

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ISSN 1085-0708
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Fall 2002
$6.50
-
•
VHF/UHF Weak Signal
.
Microwaves
.
Amateur Satellites
•
Repeaters
•
Pocket
Radio
.
Projects
.
Interviews
•
Plus...Reviews, Product News, and much morel
Ie-706mKIIG
HF!VHF/UHFALL MODE TRANSCEIVER
When looking for the perfect portable rig, look no further than ICOM's IC-706MKIIG. It's small
size
(6.5"
w
idex2.25" high
x8"
deep) and light weight (5.5 Ibs) make it easy to pock along
onany
trip, whether on foot or by vehicle. For the person wonting to conserve battery power, the
'M
IIGoffers
K
adjustable power output, from 5-
100
Watts. Plus, it's loaded with big-rigfeatures like: built-in DSp, to
reduce oreliminate QRM;
ncss
Encode/Decode with Tone Scan; 100 alphanumericmemories
w
ith
up to 9character naming; backlit keys with adjustable
in
sity; and much, much more.
A
ten
noptional
rem
otemounting kit (RMK-706) is also available, giving you unlimited mounting configurations. To find
out more about the
'M
IIGand its many uses, visit your authorized lcom dealer today.
K
Facep shown
in
optional Remote Control
late
configuration. Requires OPC-581
II
ft.
(3.5
m)
or OPC-58l
16
ft.
(5
m)
separation cable
RnTEnnR TUnERS
IC
-706mKIIG
Prouen Perform
.
ance.
HF/6M/2M
M.
HF
&
6M
@
lOOW,
2M
@
sow,
70CM
@
20W
·
/70C
100 Alphanumeric
Memory
C
ann
•
CTCSS Encode/Decode with Tone Scan
•
Auto Repeater
•
All Mode with DSP
h els
nT-180
G
eat for base as well as mobile
T
tuner loves the great
r
his
installations! Tune your vertical outdoors! Whether under your
beam or caax fed antenna from vehicle, or in atree connected to
a
160 Meters to
6
Meters.
A
long wire, it's the perfect match
compact matching package for for your 1C-l06MK
C
pact,
IIG.
om
the
IC-106M
IIG.
K
watertight construction.
©2002
ICOMAmerica,
Inc. 2380
II6th
A
N
,
Bellevue, WA 98004
'
425·454·8155.T
ve
E
heICOM s
0
registered
logoi
tr
ar of
ICOM
Inc.
All
sp
odem k
,
ecification subi"t toch w nonce orobligonon.
706C
V
F
sare
onge
ithout
Q H902
•
Plug-n-Play
Filters
- Optional SOO/
2S0Hz
CW, 1.9 kHz SSB
F •
Bocklit Function Keys
ilters
eyer•
tionalequ en required)
ipm t
•
Built-In
K
IF-Shift
•
ToneSquelch
•
Remote Head Operation
(op
Whynot?
Y
deserve
it!
ou
(
www.icomamerica.com
J
~I$r
CQ-5M
low-profile,
"quick-disconnect" trunk lip
mount. For quick storage, ortheft
prevention, the antenna and con-
nector are disengaged from the
mount base with the release of a
lever. Offset washers provide upto
17deg vertical antenna adjust-
ment. Includes 16'9" of deluxe
cable, 18." of mini RG-I8.8.A/U style
coax foreasy entry thru the weather seal. Gold-plated SO-239/PL-259 conns.
~EM"
~R-5fA
low-profile,
stainless steel trunklip mount.
Offset washers provide forupto
17 deg vertical adjustment of
antenna. 16'9" of deluxe cable
Maldal
MK-30H
12VDC
/ltaldal
EM-BBO
Light-
du1y, 2 adjustment planes, up
motorized mount, Mounts to
vertical orhorizontal door lip. to
antenna.
Up to 70"/19 oz. antenna.
A
"
305M/304M
Standard
low loss cable assembly. Gold plated
SO-239/PL-259 connectors. 17'
length/I3.5' length.
~EST
cfjMEST
CK-3M5/CK-3M
Deluxe
cable assembly 17'length including
17" of RG-I8.8.A1U foreasy entry from
a lip mount without causing water
leak, wind noise orcoax damage. CK-
3M 9'9" total length.
NEW
'
C~ET
NEW
CP-5M
Universal lip mount.
4
adjustment planes, 4 set screws, holds up to 70"
antenna. Use on trunk lids, van doors, truck doors,
hoods, etc. Fits over virtually any lip 1/4" thick or
less. 16'9" of deluxe cable included, 18" min'
188A/U style coax for easy entry thr
seal: Gold-plated SO-239/PL-
When mounti
etc., use t
system .
shown,
diam
Mount: CP5M Antenna: C757
EDITORIAL STAFF
Joe lynch, N6Cl,
Editor
Richard S. Moseson, W2VU,
Editorial
Director
Gail M. Schieber, K2RED,
Managing
Editor
Carol lynch, W6Cl, Editorial Consultant
coo eo
Fal/2002
Vol.
5
No.3
s~
CONTRIBUTING EDITORS
Kent Britain, WA5VJB, Antennas
Arnie Coro, C02KK, Contributing
Editor
Ken Neubeck, WB2AMU,
Features
Editor
Gary Pearce, KN4AQ,
FM
Dr.H.PauIShuch,N6TX,
Dr.
SETI's Starship
Tom Webb, WA9AFM, Satellites
Gordon West
,
WB6NOA,
Features
Editor
BUSINESS STAFF
Richard A. Ross
,
K2MGA,
Publisher
Arnie Sposato, N2IQO,
Advertising Manager
Emily
l
eary, Sales Assistant
Sal Del Grosso, Controller
Ann Marie DeMeo, Accounting
Department
CIRCULATION STAFF
Catherine Ross, Circulation Manager
Melissa Gilligan, Operations Manager
Cheryl Dilorenzo, Customer
Service
pageg
FEATURES
9 From Solar to Satellite:
Exercising doesn't
have to
be hard a
nd
can provide some ham radio fun at the same time, going
bicycle mobile!
b
y
Jason Baac
k
N 1RWY
PRODUCTION STAFF
Elizabeth Ryan, Art Director
Barbara McGowan, Associate Art Director
Dorothy Kehrwieder,
Production
Manager
Emily leary,
Assistant
Production
Manager
Nicole Pollina, Advertising/Production
Hal Keith
,
Illustrator
larry Mulvehill, WB2ZPI
,
Staff Photographer
Joe Veras, N4QB,
Special Projects
Photographer
Doug Bailey, KlJFO, Webmaster
A
pUblication
of
13 The
Leonids
Meteor Shower-Past, Present, and Future:
A
brief
history of
this
me
teor
shower, predicted to be a
storm
th
is
November, plus what can be expected in the future
b
y
Joe Lynch N6CL
15 A Beginner'S Guide to Meteor-Scatter Operation, Part II:
The
evolution of
th
e software used
for
meteor-scatter
communications
b
y
She/by Ennis,
WBWN
Offices:
25 Newbridge
Road, Hicksville,
New York
11801.
Teiephone:
(516)
681-2922
.
FAX:
(516) 681-2926.
E·mail:
cq-vhf
@cq-vhf.com.
Website: http://www
.cq-vhf.com
.CO
VHF (ISSN
1085-0708)
is pubiished
quarterly
(4
times
a
year) by CO Communications,
Inc. Periodical
postage
pending at
Hicksvill
e,
NY and
additional offices.
Subscription prices (all
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Requests
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and
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Entire
contents copyrighted
CO
Communications
,
Inc.
2002. CO
VHF does
not assume
responsibility for
unsolicited manu-
scripts. Allow
six
weeks for change of address.
O
CO Communications
,
Inc.
25 Newbridge
Road
Hicksville,
NY
11801
USA.
22 CQ
VHF
Reviews: The ICOM
b
y
Peter Bertini, KlZJH
vsooo
VHF FM Transceiver
24 "DXing" with a Heathkit Twoer:
DXing is
possible even with a
2-meter AM transceiver with a crystal-controlled transmitter a
nd
a tunable receiver
b
y
Bob Witme
r,
W3RW
26 Operating via UO14 and Similar Satellites:
This
time with
th
e
FT-817
using two separate antennas and no duplexer
b
y
Arnie Cora, C02,KK
27 Six-Meter Propagation Tools of the Trade:
Sec
rets of internet
spotting and
the
"Tree
Beam
" revea
led
by Ken Neu
/Jeck,
WB2AMU
Printed
in the United Statesof America.
Postmaster: Please
send change of address
to
CO VHF
Magazine, 25
Newbridge
Road, Hicksville,
NY 11801.
32 A Simple-to-Build 2-Meter Antenna Tuner: A
stra
ig htforward
antenna-tuner project for 2 meters
that
can be constructed from
easily obtainable parts
by Van R,
Fie/d,
W20Q/
36 CQ
VHF
Reviews:
The K1EL Kl0+ CW Keyer Kit
b
y
Simon Lewis, GM4PLM
76 Flying Amateur Television, Some Dos and
Don'ts:
What can and cannot be done with an
38 Are Your Batteries Charged?
An
id
ea of which
air-mobile
AN
station
b
y
Gordon
West,
WB6NOA
battery to chose
for
a particular application
and just what you can expect from it
b
y
Bob Shrader, W6BNB
COLUMNS
48 FM:
Finding a good-and affordable-spot for
42 Improved Results for the Directed Directional
Weak-Signal Net:
How to hold down the
a repeater
by Gary Pearce, KN4AQ
confusion that may occur on a weak-signal net
by Gordon West, WB6NOA
64 Antennas:
Log periodics
by Kent Britain, WA5VJB
44 The 6-Meter CQ WAZ Award:
Here's one way of
69 Satellites:
Antennas for satellite work
by T
om
Webb, WA9AFM
achieving
rec
og nition fo
r
working worldwide
DX on 6 meters
b
y
Paul Blumhardt, K5RT
84 Dr. SETI's Starship:
Targeted search and a
ll-sky
46 The Battery Helper:
A one-night project
surveys
b
y
Dr.
H.
Paul Snuct: N6T
X
advantageous for contesting QRP portable
or as a rover
by Charles
W.
Pearce, PhD" K3YWY
DEPARTMENTS
4 Line of Sight:
A message from the editor
5 Quarterly Calendar of Events
55 Predicting VHF/UHF Conditions:
A simple way to
predict how far you can talk
if
you live along
the coastline of the U.S.
b
y
Van R. Field,
W20
QI
60 Log-Periodic Dipole Arrays:
A single-antenna
solution for the VHF/UHF operator
by Peter Bertini, K7ZJH
li1i11~
HF
~
r
~
Ham Radio
A~o\Je
50
MH~

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