Amateur Radio

104 Pages·2009·28.01 MB·English

GALOREI
Table of Contents
Testa High-Frequency Tran sfor mer
Build this spark-excited. transformer and create your own lightning. . .. .. VE7JON 12
Signal Strength Reporting
Read this and know what you mean w hen you say "S-9. OM" W20ZH 15
Holiday Buyer's Guide
A cornucopia of shopping tips. 20
Cubic Inch Keyce
Iambic keying on the HW-8. WB2EMS 32
Repeater Con troller PC Board
Repeater on the fritz? Build this inexpensive repeater board and get right back
on the air. KA3AAQ 34
VIC-20 Beam Rotor Interface
And yet another interface project for your VIC·20! .. .. N Ul 44
The Greenie
An account of a brief and tempestuous contest. ..... KIY5D 55
Reviews
Great lillie Dipper:
Electronic Equipment Bank's DM-4061 Dip Meter . . . WA4BLC 10
Novices Take Note:
The Ranger AR-3300 10-Meter Mobile Rig N IBLH 28
Departments
Above and Beyond 6 1 Never Say Die 4
Advertisers ' Index 84 New Products 58
Aerial Vie w 80 Op-Ed .. . _..... •.... ••.... 99
ATV 72 Propagation 91
Barter 'n " Buy .. . . . . . . .. . • . 82 QRP ..... ..... .. •. ....• •.. 90
Dealer Directory 98 QRX . . . • . . . . . . . . . . . . . . . . . . . 7
DX 75 QSL of the Month • _ 4
Ham Help 59 RITY Loop 53
Hamsats 69 73 International ... .. •. .. •. 93
Letters ............ •........ 9 Specia l Events 88
- - - - - - - - - -
Looking West 70
I
,
,
ttlTS WHATS INSIDE THAT COUNTS!"
A Modern Amateur's Delight!
• All HF Band Transceiver /
Special attractions include an elec
General Coverage Receiver
tronic keyer. semi or full b reak-in
• Advanced Circuit Designs
rated to 40 WPM. panel selectable
• All Modes Built-In USB , LSB. 500Hz/ FL-32A CW filter. and volume
FM, AM, CWoRTTY control-tracking sid etone. SSB trans
missions are enhanced wi th an RF
• Superb Frequency Stability
one year warranty. There's more!
speech processor and tone control to
• Continuous Duty Operation The lC-751A's rece iver boasts 105dB
produce sparkling clear audio. PLUS
dynamic range for superb listening.
• Crystal Clear Signal Ouallty there's a new rubberized tu ning
The 100% duty cycle transmitter
knob for velvet-smooth tuning and a
defies abuse and delivers 100 watts
Midsize Masterplecel The de full line of accessories and filters.
of except ionally stable and clean RF
luxe IC·75I A includes more high per
RF Power Control. Varies output
out put. Reliability. Quality. One
formance features and professional
independent of mfc gain, ALC and
year warranty. That's ICOM.
circuitry per cubic inch t han any
speech processor action. Enjoy
other HF transceiver. Its smooth-as All Bands. All Modes Included.
maximu m " talk power" at any drive
silk ope ratio n and long-term reliabili Operates 160 through 10 meters. it's
level!
ty produce the ide al contesting. easily modified for MARS operation,
To see the IC~151A. contact your
px'tng. mobiling and portable rig. plus it includes general coverage re
local ICOM dealer.
Owning an IC-75IA truly means ce pt ion from 100kHz to 30MHz. No
"Going First Class!" compromise, no comparison!
Un.urpalled Ouallty and 32 Tunable Memories. Store
Reliability, Quality and Reliability is both frequency and mod e informa
I C O M
important to you and it's important tion. Use them to qu ick-access your
to ICOM. reOM now covers you and favorite spots or as 32 preferred fre
your investment with its exclusive quency-remembering VFOs.
ICOM America, Inc., 2380-116th Ave NE, Bellevue, WA 98004 Customer Service HotHne ( ) 454-7619
3150 Premier Drive, Suite 126, Irving. TX 75063 / Hn Phoenix Parkway, Suite 201, Atlanta. GA 30349
ICOM CANADA. A Division 01 100M America. Inc., ~71 - Jt5 Road. Unit 9, Richmond. B.C. V6X 2T4 Canada
An I'lted IP8'CltlCltlonl I 'f! IWO''''''''. Ind IUDJect to chlngl ...thout nollCI or Ollllllitlon. All ICOM flIdlOS s'Onl"Clntty e.~ f e e regulillons lImItIng sPtmoul em,ss,o.... 75' AIB7
THE ALL NEW PRIVATE PATCH IV BY CSI HAS MORE
COMMUNICATIONS POWER THAN EVER BEFORE
• Initiate phone calls from your HT or mobile
• Receive incoming phone calls
NEW!' Telephone initiated control . ..
Operate your base station with complete control from any telephone
V'
Change frequencies from the controlling telephone
V'
Selectively call mobiles using regenerated DTMF from any telephone
V'
Eavesdrop the channel from any telephone
V'
"" Use as a wi re remote using ordinary dial up lines and a
speaker phone as a control head.
DIAL ACCESS REMOTE/INTERCONNECT
•. . .- . - .
Private Patch TIl •
. ......,.
,
OlIO. CO, COOl DISC
~"
The new telephone initiated control ... = NEW FEATURE • Connec t s to MIC and ext.
capabilities are awesome. Imagine speaker jack on any radio. Or
having full use and full control of ... * connect internally if desired.
1# or multi-digit connect/discon-
your base station radio operating • Can be connected to any HT.
nect
straight sim plex or through any re (Even those with a two wire inter
... Fully regenerated tone dialing
peater from any telephone! From face.)
• Pulse dialing
your desk at the office, from a pay
• Can be operated simp lex,
• Toll protection
phone, from a hotel room, etc. You
through a repeater from a base
• Secret toll override code
ca n even change the operating
station or connected directly to
• Busy signal disconnect
channel from the touchpad!
a repeater for semi-duplex opera
... Oialtone disconnect
tion.
Our digital VOX processor flips your
• CW identification
conversation back and forth fully • 20 minutes typical connect time
• Activity timer
automatically. There are no buttons
• Made in U.S.A.
• Timeout timer
to press as in phone remote
... Telephone initiated control
devices. And you are in full control
... Regenerated OTMF selective calling
100% of the time! OPTIONS
• Ringout
The new digital dialtone detector 1. Y2 second electronic voice delay
... Ringout or Auto Answer on 1·8 rings
will automatically disconnect Pri 2. FCC registered coupler
• Busy channel ringout inhibit
vate Patch IV if you forget to send # 3. CW 10 chip
... Status messages
(to remotely disconnect) before
hanging up. This powerful feature ... Internally squelched audio •
will prevent embarassing lock-ups. • MOV lightning protection
... Front panel status led's
The importance of telephone in
... Separate CW 10 level control
itiated control for emergency or
disaster communications cannot be v 24 die switches make all features
CONNECT SYSTEMS INC.
overstated. Private Patch IV gives user programmable/selectable.
23731 Madison SI.
you full use of the radio system from
Torrance CA 90505
any telephone. And of course you
have full use of the telephone Phone: [phone]
system from any mobile or HT!
To get the complete story on the AMATEUR ELECTRONIC SlJPPLY HENRY RADIO OMNI ELECTRONICS
u..
Mllwaukoe WI. W,ckllll.. OH. Angeles CA Laredo TX
powerful new Private Patch IV con ert.ndo FL Clearwalfll' FL
INTERNATIONAL RADIO SYSTEMS PACE ENGINEERING
La Vegas NV
tact your dealer or CSI to receive MIamI FL '~Al
BARRY ELECTRONICS CORP.
JUNS ELECTRONICS THE HAil STATION
N..w YOfll NY
your free four page brochure. c...t_
Cily CA Evan$'lille IN
EOE, Inc.
MADISON ELECTRONICS SUPPLY WESTCOM
WOOdbridge VA
Private Patch IV will be your most Houston TX San Marcos CA
ERICKSON COMMUNICATIONS MIAMI RADIO CENTER CORP. CANADA:
important investment in commun
Chicago IL Miami FL CARTEL ELECTRONIC
ications. HAM RADIO OUTLET MIKES ElECTRONICS DISTRIBUTORS
Ana/'letm CA. Burlingame CA Surrey B.C.
Ft. lIIude<dale. MIami FL
o.kland C.... Phoenix AZ COM-WEST RADIO SYSTEMS, LTD.
N&G DISTRIBUTING CORP.
San Di<Igo CA. V~ Nul'S C.... Vancouvfll' B,C.
MIamI FL
Allania GA
CIRCLE12 ONlIIlAO£lIISlRVUCAlIIO

MFJ-931 creates artificial RF ground with random wire
also, electrically places far away ground directly at -your rig
MFJ·93 I
$ 7 9
9 5
• Creates artificial RF grou n d with random length wire
• Electrically places a far away ground directly at your rig
• RF ammeter makes t uning for maximum RF ground curr e n t easy
•
• Eliminates "RF bites " , RF feedbac k , TVIIRF I and other
problems due to Inad e q u a t e RF ground
• Improves radiation patte r n distorted by poor RF ground
Don't we all sometimes have produces a tuned coun terpoise. MFJ -931 between you r rig and the
problems getting a good RF This artificial grou nd effecti vely connecting grou n d wire and adjust
ground? places your rig near actual earth Its two knobs for maximum RF
ground potential even if you r rig is curren t using its RF ammeter. This
Unpleasant problems. Problems
on the second floor or h igher with tunes out the reactance of the
like RF " hot spots" that "bite" our
no earth ground possible. con nectin g wire. reduces the
lips or fingers when we transmit;
electrical ground lead length to
like RF feedback that ca uses our Also. the MFJ ·9 3 1 electrically
virtually zero and electrically places
rigs to quit working on certain places a far a wa y RF ground
you r far away grou n d d irectly at
bands; like excessive RF coupling directly at your rig •• no matter
your rig .
to AC I1nes that causes everything how far away it Is. The MFJ·93 1
to quit working: like our neighbors reduces the electrical length of the Get an effective
screaming about TVl and RFI: like ground con nection wire to virtually RF groun d
our com puters com puting jiberlsh: zero by tuning out its reactance.
Get a n effective RF grou nd.
or like being unable to talk across
How it w orks
Eliminate " RF bites" . RF feedback
town because of extreme ground
The MFJ-931 connects between TVI. RFI and m a ny other annoying
losses or radiation pattern
the ground con nection of you r problems due to inadequate RF
distortion.
transmitter or an tenna tuner an d a ground . and -- a t the same time
" Hey. m y rig is on the second
»tmprove you r radiation and
random length of wire thrown
floor. There's no way I can get a
along the floor. Two knobs are radiation pattern for m ore DX.
good ground." you're thinking. or
adjusted for m aximum RF grou nd
The MFJ -931 covers 1.8 to 30
" I already have an excellent ground
cu rrent using its built-In RF
MHz an d has a built-in RF ammeter
bu t the long ground connection
a m meter. This resonates the
for indicating RF ground cu rrent.
wire causes reactance a nd acts like
random wire. converts it into a
It's ruggedly built in an all
a h igh Impedance ctrcutt. isolating
tu ned cou nterpoise a nd presents a n
alum inum cabinet with a brushed
m y rig from true RF ground."
effecti ve low im pedance near
alu m inu m front panel a nd
What to do groun d potential to your rig. th us
measures 7V2X3V2X7 inches. It
creatin g a n a rtificial RF ground.
Use the new MFJ·931 to com es with a one year
create an artificial RF groundf It To electrically place a far a way unconditional guarantee.
resonates a random length of wire grou nd directly a t your radio
It's available only from MFJ.
thrown along the floor an d equipmen t s im ply con nect the
MFJ-93 I. S79_95 _
aD,.
OTder produCl from MFJ and try It _ r;===
To Order or for Tour Nearelt De.ler
MFJ
DO oblteaUoD. If Dol ..li.Oed returD wlthlD
800-647-180 0
30 d.,.. for prompt refuDd (Ie...bipplng).
• One year uncondltlonal guarantee . Add
Call 60 1-323-5869 tn MIs..'I. and
15.00 each shlpplngfhandllng • Call or write for
outside continental USA.
MFJ ENTERPRISES. INC,
free catalog. over 100 products.
Telex 53-4590 MFJ STKV
Iiolt 494. M,o;o;. Sla..-. MS 39762
MFJ • • • making quality affordable
•
OHM
EVER SAY DIE
Edltoo1.IOI1lce.
WGE Ceote<
PlHltItlOrOugh NH 03458-1190$
p/lorle:8l)3.S2S-4201
Wayne Green
.........o1...ng 0I11c..
WOE Cenll1r
Plllllrboroogh NH03458·1194
phonll:800.225-5083
censed for around 45 years, Circulation 0I1~
QUALITY CONTACTS
we're probably talking about a WGE Cem...
PlI1lt1tlOrOughNH 03458-1 I90$
Are a large percentage of your 45-year ingrained habit. That's phone :8l)3.52S-<t201
contacts with lurkeys? Worse, are one hell of a rut!
Butl do know this, if I happen to be
the guys you're working thinking No pain, no gain, as lhey say,so
in your town and I stop off at your
exactly the same thing? Well, it's you're going to have to put some M. nu. crlptl 0'
house and ask to see your shack, Coolribul>or11 in lhl! Iorm manu
been a while since I've written work mtc this. Now don 't panic
scripts ..ith d'a..ings I ndlor p/Iolo
I'm going to find a crummy old
about hOw 10 make your contacts I'm not going to ask you to actually graphs are ,,11eome and will be con
chewed-up pencil slub with a hard SOde<ed lor I ", publW;allC)n. WII
more in teresting, so perhaps Ihink while you're sitting there at
can _me no ~ lor loss
you've lorgoll en-or. worse. the mike-nothing that difficult. eraser that makes a mess if I get orca..,.10..... malen-!. PINse .....
cloIe I lIIamped, SIIlI_ _ lin
the wrong letter in a call the first
weren't paying atlention in the You're going to be able to do most
velope ..ilh each submISSion, Pay·
first place. of the work while you're listening, time-one with a nub of a point menl 'or I.... use of any unsohcil&d
malll,ial ,,'II be madll upon eccep
which I have to turn just the right
How many chaps go out 01 their tanCII, A prllmium w,nbe paid 'or ac
way to fell YOu how much they've Getting Down to Basics way to make a mark. Get some cllpTlld article. thaI havi been submil
led IIlecl,onically (CompuS-nrll ppn
cheap mechanical pencils.
enjoyed a contact with you as Let's start with some basics 70310,n5 or Mel Mail "WGEPUB")
Paper. Hey, don't shove an orondosl< ...lin IBM.<:ompaIobIIIASCII
you're signing off? Ha....en't heard things you know darned well you
fill All contribuIlOI'IS shoukl be direct·
ARRL log book at me for paper. orro:.e,
that for a while. eh? I thought nol. should have at hand, but have ed 10lhII 73edl\Otial " How 10
We're going to be taking some Wnte lor 73" gualti.." _ .....iIablI
Well, there's a secret 10 making been too lazy to provide. I'm talk·
upon 'equesl. US cil"Z&M mUl l In
notes during contacts from now
contacts tun lor the other chap ing as basic as pencils and paper. cludeItIoir.oosJ 511CUri!y numberwiItI
on and they're not going to fit on lubmill&d manuscripls
and for yourself. Once you know Hey, I've visited hundreds of ham
one lousy line of your log book.
what it is,you'll seldom haveadull shacks-c-qotten on the air Irom
contact-at least lor the chaps That miserable log book is one of
them-so I know darned well you
SubKo1ptlon Infonnlltion
the worst blights in the hobby- it
you're working-and probably not haven't got any decent paper or AalllS:In lhII United Stales and Pos
encourages us to make rotten p 2
for you either. an actual working pencil around. s.ssions· On. Vllar 'SSUIIS)
$2497;TwoVNIS(24 __)$l5,47.
asos. Just look at the pitiful
All of us get hung up in habits. Get several good pencils and EI....here· Can.da .nd M. XlCo
mool1
Our basic mike (or key) fright keep them with leads in them. I space nteeves for comments! No, yNl" only, US IundS,Foreign
IlUrtSC9 msll-S4500i1 \11" only, US
put the book in the closet or get
makes it so we lend 10 slick to a know this goes against the grain, lunds dra"", on US bank, Foreign ai,
wtucn rid of it. From now on you're go mall-plllaseinqulrll.Tosubscribe,re
formula contact- one we but buy them if your employer
new or changll an addrllSS: Wrrlll 10
ing to take notes when you make a
have down pat and allows us to go doesn't provide a "free" supply. Subsc,iplion Department. PO Box
contact. 931. Farmlngdolle NY 11737. Rlllum
on the air and make aso after Make sure Ihey have erasers thaI
posla~ gu.r.nl&e'd. For renllwals
How many times have you
aso wilhout ever having 10 think. work, too. Why you will spend and changes oA IId<lrllS$. inClude lhII
IId<lres:s IaDeI from your _ recent
made a contact with someone and
You may have some trauma when thousands of dollars on your rig,
_ of T3 For go" subactiplions, in
gOllen the impression that he
you first Iry 10 break this habit-af antenna and tower and then dude your name and add... lIS "'91
must have at least two other peo IS !hose (II gofI ,ecop;enu For q.......
ter all, with the average ham near chintz et something like pencils to
lIOnS concitrnlng you. subscription,
pte in the shack who talk with him
ing sikty and having been Ii- help make all this go I don't know. call Toll free 1-8CJO.227·5782. To place
subscripl>or1 orderl, pillase C.II us TOil
all through your transmissions?
'rell al 1-800-722·7790 berwll<ln 9 am
All he does is go through his reg .nd 4:30 pm Eastllrn lime or wrilll 10
KSHUH 13' ,Subscription Department. PO 60>:
ular routine blah, with never the
931. Farmingdalll NY 11737, 1'3Am.
slightest pickup on anything 1_ Radio (ISSN 0145--Ol'1OX) • pub
Ilshed rnontl>ly by WOE Publishing.
you've said. From now on the
WOE el",.r, Pet. rbo,ough NH
chaps you talk with aren't going to 03458-1190$. Second class poslage
pa.clat PelerbOrOugh NH03458 andal
get away with that baloney any
addllional ...ali,ng offices. CanadIan
more. II they're going to get on ~class mali 'lIgisl'allOM number
9566. Entirll contents copyrighT ©
the air they're going to give good
1986, WGE Publishing. All righls 'lI
contact. senred. No part of lhis publlcalion may
be rllpf'inled or OIh1!N'ise reproduced
Paper-let's work with a pad of
wllhoOul wnn. n permission 'rom lhe
8-112~ x 11 ~ paper- lined is prob publisher, MIC'ONm Edltoon-1JnIViH"'
sify 101",,,,,,,,,,,. Ann Atbot loll 018106
ably better. I've seen what hap POSImssler: Send iIIdd.... changes
10 T3 AmsrllUf Radio, Subacriphon
pens when you don't have lines to
S&rviees. PO 60>: 931, Farmingdalll
keep you on the straight and nar NV 11131.NallOl'lllly dosl"buTedby In
ll1rnational Circulation Dislribulors.
row. I can see panic beginning to
Conlract: Thll mllr. opening 01 This
rise-yes, you're going 10 use a "'.gazinIlIlSlablishlls a binding legal
be_"
con1ract you and lhe publish·
whole sheet of paper for each con
est IIr. Thus you are hereby dlr/lCled to
OF THE MONTH
tact! No more two-inch space in a become a royal pain in your ~ club,
To enter youraSl, mail it in an envelope to 73, WGE Center, 70 Rte. log book. Not even a 3· x 5~ cere. -ooong!hllm on......'*S&Iy 10 bting in
'tOUngslllrS .nd IiIII! lhe... Noviced
202 N" Peterborough NH 03458, Attn: aSl of the Month. Winners No, by George, we're going first NeoI"'" ra",\ nor a SUd<lIIn 0)(ped~1C)n
IlUrfacing on 20m shal deviate you
receive a one-year subscription (or extension) to 73. Entries not in
loom lhOScourw
envelopes cannot be accepted.
Continued on page 18
4 73 Amateur Radio • November, 1987
,
TM-3530A KEN WOOD
Full-featured mobile transceiver
KENWOOD U.S.A. CORPORATION
A complete line ofaccessories Is available for all models.
2201E.Dominguez St., LongBeach,CA 90810
Complell~ Jervice menuelJ e,e eveileble lot ell Kenwood lre"sceiverJ end m<,>slec:oessor'eJ
P.O.Box 22745, Long Beach, CA 90801-5745
$Pe'C:r1iea1,O'U end priceJ ere subject 10 ~nge "',Ihaul eeeee 01obJjllelfOll
lW-4100A
• Non-velanle operating system.
Even after memory back up cell dies,
2 m170 em FM Dual Bander
all operating features remain intact!
No re-programming or "board
A Kenwood original just got better!
swapping- necessary!
Kenwood was the first to develop a
• Programmable band scan and
2 m170 em mobile radio in a single,
memory scan with memory chan
compact package. Since then,
netlock-out.
other companies have imitated the
• Large, illuminated LCD display
concept, but still have not done It
and main knob. For excellent visibil
the " Kenwood way;: The all-new
• New compact size! Only 5.9" W x
ity in direct sunlight or darkness.
is more compact, more
TW-4100A x
1.97" H 7.87" 0 and weighs less
• Selectable frequency step for
powerful , and packed with more
than 4 pounds!
quick and easy aSy.
features t han ever before! With
• Proven high performance
• Voice synthesizer VS-2 option.
many new features and accesso
Kenwood GaAs FET front end
ries, and backed by Kenwood's
receiver. Optional accessories:
experience, the all-new Kenwood
• Easy to operate! Only 3 knobs and • PS·SO/PS·430 DC power supplies
Dual Bander is light years ahead 8 keys on the front panel. • MU·l Del modem unit . tU·7 CTCSS en
of the rest! cooer e VS·2 Voice synthesizer . SW- 100B
• Separate antenna ports for VHF
SWRIPowerNolt meter 140-450 MHz for
• Selectable full duplex cross band and UHF. Minimizes loss and
mobile use s SW-200B SWRIPower meter
("telephone style") operation. increases reliability and performance!
for base station use 140·450 MHz. 0-200 W
Remote base or cross band repealer .10 memory channels. Lithium battery
In 2 ranaes e SWT-l/SWT-2 2 m and 70 ern
function possible (a control operator backs up memory. Store frequency,
antenna tuner . SP-40 Compact speaker
IS n eater offset. subtone.Two channels store • SP-SOB Mobile sceaker e PG-2N Extra
the transmit and receive frequencies DC ceore e PG-38 DC noise hlter e MC-60A.
.45 watts on 2 m. 35 watts on independently for odd split or MC-SO. MC-SS Base station mics. • MC·SS
(8·pln) Mobile mcroonore • MA- 4000 Dual
70 em. 5 watts (adjustable) I cross band operation.
• band mobile antenna with
• Front panel-selectable CTCSS
duplexer (shownj' "
(allows operation on certain tone (when optional TU·7 is
• MB-ll Extra mobile mount
MARS and CAP frequencies) and installed.)
440·449.995 MHz.
KENWOOD
• Digital Channel Link (Del) option. KENWOOD U.S.A. CORPORATION
2201E. Dominguez St.. l ong Beach, CA90810
'Please Ctlecl< fCC regulallOnSon re"earer Ooe<ar,on
P.O, Box 22 745, Long Beach, CA 90801-5745
" Mag moun! IS nol Kenwood scootea
Mmor mOd,(lcallon necessary lor reDf1iJler opera/,on
Soec"l(:ar'Ornl aflO' "'ICeS sUOIe<:r 10cnange w'I/lOl,tl notICe or obllgar,on
Coml}lere servICe manuals are ava lable for IIrKenwood rransce....ers and recsraccessar""$
,
• •
EDITED BY BRYAN HASTINGS KA1HY
ABC Error
(24.890- 24.990 MHz) bands. CW, voice, and a curriculum on amateur radio to be taught
FSK, are permitted across the full 100 kHz 01 in NYC scnccts.
each band. All emissions must have a maxi According to KA2NRA, " the curricular ap
Investigators from the FCC and the FBI
mum bandwidth 016 kHz. proach will reach all grades, A curriculum will
are Irying to track down a wayward radio
Holders 01 Amateur Operators Certificates help insure the continuation of a ham program
operator whO has been jamming an air tratnc
scncor
may use F1 or A1 emissions only on the new in a even after its founder is gone. This
control frequency al New York's busy La
bands. way, even a non-ham teacher can be showm
Guardia Airport. According to severer
how to teach it.
reports. the radio operator gave false landing
" Once we get the curriculum written, it will
instructions 10 incoming jets. A report on the
$12,000
be piloted in six schools; two Blementary, two
Monday, August 17th, edition of ABC's
Junior High, and two High SChools."
"World News Tonight" identified the radio in for Ham Ed
Smith clearly sees the importance of execs
truder as a ham radio operator, but a
ing young people to ham radio. He says:
spokesperson for the news bureau later ad·
" ... since I am in guidance, one of the things
mitted thai ABC had no proof that a ham was New York City children may soon learn
that concerns me is the career implications lor
involved. She claims that the story was re ham In the classroom. An outstanding group
the future ... if kids are 'turned on' to amateur
vised in a tater feed 10 delete the ham refer· of NYC ham educators-Joe Fairclough
radio early enough, many will go into engi
ence. and could not explain how the original
WB2JKJ at Junior High scncor szz in Manhat
neering, computer, or science fields where
version gol on the air. tan ; 1987 Ham 01 the Year Carole Perry
we badly need people. I think that the ham
WB2MGP, of the Rocco laurie School
radio approach is a great way to move in that
on Staten Island; Ron Lulov KD2LA, whc
direction,"
Hairy Time
has a program which ties amateur radio in
with the Junior Astronauts ; Mart in
Smith KA2NRR , Assistant Director for Oops!
Hams were swift to respond to a call for
guidance services in the Office 01 Student
emergency communications after a record
Progress in NYC; and others-a year
9-inch rainfall marooned Chicago's O'Hare
ago formed a group called The Council for Readers have called to our attention
Airport, and llooded thousands of businesses
the Advancement 01 Amateur Radio in several omissions in the September Antenna
in Cook and DuPage counties on Friday,
the New York City Schools. Th is group issue. The first is in the Letters department in
August 14th. The Northwest ARES spent
expanded rapidly, and the need grew to the letter titled " Oversight"; the article
the entire weekend providing ccmmuntca
standardize the teaching of ham radio " Death on the Rails" is in the April '87 issue 01
nons to the outside world lor the town 01
in schools. They recently met with the Firehouse. In the article " HF Half-Sloper" ,
Roselle after the basement of the engineering
Division of Curriculum and Instruction and the 160-m coil takes 107 turns 01 #16 enam
complex of the local Illinois Bell switching cen
the Media Telecommunications Unit and eled wire, and the BO-m coil takes 60 turns 01
ter filled with 11 feet 01 water. This knocked
obtained a commitment lor $12,000 to write #16 enameled wire, 73 apologizes lor these
out the system's power plant and telephone
oversights.
service to over 50,000 Roselle and Schaum
burg customers. Humana Hospital in Hoffman
Bagged Mag
Estates lost a portion of its telephone system
during the storm; The Waylar repeater made
its autopatch available to the hospital. It was 0"
used lor both internal and external communi Tired of carefully peeling the mailing
label to read the Table of Contents? Sick of
cations.
having your magazine subjected to the va
Salt Creek in East DuPage county ever
garies 01 the weather and Postal Service?
flowed its banks causing the activation 01 the
DuPage ARES, operating under the direction Starting with the December issue, 73 sub
scribers will receive their maqanne in protec
of the Du Page Emergency Services Disaster
tive poly·bags,
Administration. They used the lacilities of the
WCRA Repeater for the entire weekend lor
emercencv-rerereo incidents. The Elk Grove
Circuits!
ARC, which is affiliated with the local Civil
Defense organization, assisted the fire and
police departments in linking (he Elk Grove
73 MagaZine Is reinstating Its Circuits
Village Hall, whose basement was completely
column in the December issue, after a three
flooded, to the rest of the community via the
year hiatus. Share your circuit with the ham
KB9L Repeater.
community and earn a year's subscription to
Compliments to the many Chicago area
73 (subscribers will have their subscription
hams who pitched in and helped provide
extended by a year).
emergency communications.
The smokestack-shaped structure on the car
roof is the first mobile antenna, invented by Finis
o
Canada Guglielmo Marconi in 1897. It was soon re
placed by the more modern "clothesline" an
tenna (so named because it looked like six Keep your news Items rol1ing in. Items for
The Canadian DOC announced that effective lengths ofclothesline strung between poles at this month's column are courtesy of Westlink,
July 29th, Canadian amateurs mayoperate on the front and back of the car). The familiar London Times , Chatter Bug, Designfax , and
the 17m (18.068-18.168 MHz) and 12m whip antenna came on the scene only in 1937. the ARRL Newsletter,
73AmateurRadio • November,1987 7
e n c e ! "
TS-940S
display panel shows CW VBT, 55B
slope tuning, as well as frequency,
time, and AT- 940 antenna tuner status.
The new TS-940S Is a serious radio
• Low distortion transmitter.
for t he serious operator. Superb
Kenwood's unique transmitter design
interference reduction circuits and
delivers top "quality Kenwood" sound.
high dynamic range receiver com
• Keyboard entry frequency selection.
bine with superior transmitter
Operating frequencies may be directly
design to give you no-nonsense, no
entered into the T5-9405 without using
compromise performance that gets
the VFO knob.
your signals through! The exclusive
• aRM-fighting features.
mult i-function LCD sub display
Remove "rotten DRM" with the 5SB
graphically illustrates VBT, 5SB
slope tuning, CW VBT, notch filter, AF
slope, and other features.
tune,and CW pitch controls.
• Built-in FM, plus 5SB, CW, AM , FSK.
-100% duty cycle transmitter.
• Semi or full break-in (aSK) CWo speaker with audio filtering . YG -455C-l
Super efficient cooling system using
.40 memory channels.
special an dueting works with the inter (500 Hz). YG-455CN- l (250 Hz),
Mode and frequency may be stored in YK-88C-l (500 Hz) CW filters; YK-88A-l
nal heavy-duty power supply 10 allow
4 groups of 10 channels each. (6 kHz) AM filter . V5·1voice synthesizer
continuous transmission allull power
• Programmable scanning. . 50 -1temperature compensated
output for periods exceeding one hour.
• High stability, dual digital VFOs. • General coverage receiver. crystal osciltator e MC-43S UPIDOWN
Tunes from 150 kHz to 30 MHz. hand mic. • MC-60A, MC·BO, MC-B5
An optical encoder and the flywheel
.1 yr. limrted warranty. deluxe base station mcs. » PC-1A phone
VFO knob give the TS -940S a positive
tuning -ieer Another Kenwood First! patch eTL- 922A linear amplifier
• Graphic display of operating Optional accessories: • 5M-220 station monitor eBS-B pan
features. • AT-940 full range (t60- 10m) auto display . SW-200A and SW-2000 SWR
Exclusive multi-function LCD sub- matic antenna tuner e SP-940 external and power meters.
More TS-940S information is available
from authorized Kenwood dealers.
KENWOOD
Complele seroce mantJalS are ,wailable
lor all Kenwood rransceIVersa1J(J KENWOOD U,S,A. CORPORATION
mosr accesso"es
2201E.Dominguez St.. long Beach. CA90810
Specrl,cal>Olls and pl/ces are stJblecr10
change w'lrlOtJr nol/Ce Of obltgallOl1 PO. Box 22745, long Beach,CA 90801-5745