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: THE W I RECESS'INSTITUTE
?:-•.•..-•'•'••• •"!. ;.;
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•L'. ;1-^;;A :;:'".J^1'A.N^:N..:-::,Pi%k&r%
• -;K BOX .,^1.<T '. .5,?»0^ SQaUS.'
*. •• •• ••-•-• --• -' •
M&Y 1963 MONTHLZ^ BULLETIH " PRICE' &
PEESID^T .. TREASURER .,, . :-"-:. . SEGKETART '
':;№. T.. •:Mlen .,., :. He. G,. Harri.sson . -. : :Mr. K. Spiegel
• •VK'TAL, . :' '. VK7CH. ;' ... " . . . VICTKS
Be^st.?reaat, G, F. p, ji:Hobar^^. for transma. ssion "by post as a-periodical,
G3KSRAL MEETING,
The next monthly aie-eting of the-Division will be held in the Club Room,
147 Liverpool St., Hobar-b, on WDNESDAX, Is-fc May 1963, at 2000 hours.
, The legtuye tbis month will be give& by Mr» George Russell, Traffic
Engineer of the Transport Goinmission, acd-his subjectv1tTraffiG Si@iallingtl.
This .shoulcl, ;,,be a vexy inhere stLng talk,.. dealing ^d.-fch '& different type of
signalling to-that. ; •ui"bh wbich ve are ma-iiily coniremed, Vist'bors as usual are
veiy welcome of course,
NORTKEBK ZONE
The nesct meeting will be held; a-b 102 Charles S'b. ;, La-unceaton, 'on
FBIQAJ,, lOfch. May. a-b . 3.9^3 hoiATs<. ; . -.. . '. ;:-:^
.•. NORa'HUES'FERN., 20NB.. ' •, • . ... ... ' :
: At the last montlily. aeeta. ng 14 members were presen. 'b, It' •waa decider, that
fu'fc'urei-8pc. i,al. iiEetxytgs. 'will be held at members* hogites'as- •was done pre'viouslyii'It.
i@, hoped;.. tha-fe -fchi@;:-w. ll. crea-be more- in-fceres-fc in the Zone ao'U-'^'t1-®^*^ ^_.. .',\r' , : ::
The next meeting va.il be heM on TUESDAX 7th May at^ Lafcin1 a •HaU^'' • '•
Ulverstpne, : This vriJJ. be the last social meetj. ng heia at-'bhi. s veni.ie, and a, ^ood
attendance. is requested. ' < ''
COUNCIL MEETING. . '-':•„'•-. :"..:;--..„
„ ... The. nex^, Covaea*! . Meeting- :-will be held at'the Olub Room, on MDNDAi,
. 20-fch ^y^g'l'1930 hpur^r ; . GounciUors please aote place and t3jae, '^ • '-.
f. ••'•'' ' ' ' ' •.,..... -.
V H. F SECTION ,. __^-^.:.:. ^..;...-
Th.e:;n^xt iiteeting'of the 1. H. F. Section 'ylll -be -heia in the. du'b- Room ,
.
on;y'l^BNESpAXy. ;l5-fch'May at 2000 hours. : • ^ ,, :'::':. :,. !1 ... ^ ' '" '" ' ""'"
S£LEi№?'KE£"/:' • . - . . .•'•).. ':• r":;l _:- '.'•. '"'. ';. :.:':.., ',! !, t. :. . ^;:';t,':':_; 7''.'"::
. ^. !, ;.. ;-... .. I-fe vas;i'with deep;regre-b -bHst ^we' learned of ^tKe passing of^T^d
VK7PJ on.. AE:E'd-l-., 9"t'h,, -Ted -had "bee»; in -poor hea3Ah Tor-s6tae-^3jae^ bu^
thai he :had"be9n. active'both on •the airan^'in;Ins^tnjrte::a£f^S'^©fi:hlg\TOric:
permitted. "' "He'ws President of -bhe. ' Dx<visi<m in^3.9S5: and ;195^-^ecr©i;ai7'3.9:52 ;
and. 1953- an(a. ;^rea.surer'195^" :"'^.:. ;! ;' : •;-:""':''",., ^. ':::.. '•;:''. ;.'
;^Q.:M&;^'i4fe and fafflUy-we. ex-t. end :our' -sincere ^yiffp&-fcl]y^ ^ "l^
'GLUB HOUSE. FUND . •''", . ^:':. ^':;. ' .'•"
;-.. ^ , ^c^t)ia^s.^o Assoc^te-Members I^t?ac6hson, :/-"I). R. ^Baig6^.;:Qnd. :R. K.
Jaeger for •tha. r donations to the Gtub House Fund. : ". ''"",. . ; :' ^':'' ' '
ATHOI^. J- ON ME№RIA£'TEOHS« . 'a •'.•, ;..... ;. : -- ;'" "• ;^:— •:'. •• "';. '. ";'. :'. :.
*'-"'~ Gongratula-bions to Reg'Emnie-fct VK7^0 in T^hiAhg this yQ№tg Goirtesy, ^ I;
ha-ye no fur-ther . details on -fche: scorJAg; e'bc. ' lli-b'. 'Ujndep^-band. iha'b parfcicJLpa-bion •was
UQ-S as good as was exrpected. .••'-'• . /'•?:. ; •;', "'::... '- '. ";'',,",. ,, ;:.'
-iPage-:l
The WLreless Institute of AusrbralLa» Tasaaniau Division,
M£(V t963,, Monthly,. .j0uU.etin . Page 2
i- •.*••
SUBSCRIPTIONS.- :,,:, .,,. . . '' ... . ,,
Another.. reminder "bo •th6:se]-laggard^ ^rho; Mave not ye-fc paid th(?ir subscriptions
- best get them in inunediateJy-if you don~t't ^nt l.q'na.ss cop^ of "Ainateur Radio'*
Subscnp-bions received from 2^3/63 to 20/4/63 from 's VKTOJt VK7ZRJ. ^KTMI.
VK7RX. •VE7ZBE.. ^7^1. ZL3BO, X7.ZAG,.. ·VK7.CX,. VK72A2, X7TR» VK7EK. VK7XL. : VK7PJ»
VK7ED,. _yK 7GF. _VK7JP. VK^. :]^7Q^VK7LZ. iVK7MX, :.VK7^^ S»R. Copper,,
I.-R. ELlby,. D . Porthouse,: PrSchulz,. R,S-fcran. Zy! L,. Jacpfason,. A. L. Beaumont, J,.M.Kerr^
D^R^Baigen-by C... G..yaldoh, ^.Bevis, ^.Jones,^^,Jaeger, "G.. J..Harper, R^L,Harwod,.
G» R^Cromp-faon. DonaUon VKTLJ, ""' ~, ^ ^. ^ 7^, -„.,.
COUNCIL №ETING Ty VEC7EB ^. .,...,..,.. . . ..
,
;^-;;.,-As your PuMicity Officer -i:;-Mav@::4een delegated to give a montKly'yeptiTfc
.
bn/Goi.uicil a&tiyities, I wish everyoh'e;-bo/realise that I intend these reports to
be o'f. ^an unparfcial nature, •to proyide •interest in -bhe Division primarily, however,
.
should I tread, on ..anyone.'s toes, le-b jus-bioe prevail - on both sides,.1;"
.... -..'. The^initiaa. me'eting of y&iff: new Council'•was held-in -tihe Glub: Room on
Thursday 4% April, The follom. ng is the list of Officers and their respective
duties for "the coming year. :
President: Mr. T. A. Alien VK7AL
,
;;-^Secretary:; №. K. Spiegel VK7KS i
Tre.9 surer: •:-; . Mr. 0. Harrxsson VK7CH ,. .•, • .. ;;"'
.., ,• .. - yice: Presidants. ; ,.'. My. L. W. : Edwards VK7LE. Mr» C. Harris son VK7GH
!:..i ;^;Ms.wrfce. Secre-fcary: :-" №'., L. V. Edwards .VE7LE ^ . . . •.•-:-''. -. •.
•:, Youth ..Radio Scheme? : Mr. E. -. Beard VK7BB. Mr. I* Nichols. VK7ZZ ..
Bulle-bin -• Editors s- Mr, E. Beard VK7EB. Ivlr. G. Harri85on;VK7CH
Technical; Mr. D. A. Thome VK7Z^T .:
Distributiont Mr. T» A. AUen VK7AL. №. T. Gosnoy VK7GT
AOCP Glass Instructort Mr. T. Connor VK7GP M^....: •:. :: ;;.^'"'
VK7KS and,. yS7EJ^bei.ng,,e3(..o'£fic.io.:mefflhers» ': ..
Business, Due 'to -bhe coming Convention jji-':£iydney at Easter th'e mee-fci&g-
dealt with agenda items with -the necessary vo-fcing instructioas for our Federal
Councillor^ I most impressed, Council ffieetjAg^..en:;. hbwrC;o^I.ufed.u
'
was being ny first
••the:&€?n(l?i-. :l-,"fcem& through - eaehitem -was. dealt. J-with without steimping arid a noticeabla
:Lac|s:?o^/slde'balk». a point whiph -I consideT vezy commendable, '.:The on3y 6-fch6'r:^
bllsittess_conduc'b?^-. yas the eleo-bion of-Offtcers'and permission-ibf Gounc±l-7(bo' VK7ZZ
and VK^EB to ;.start •fche_ bgll rolling on. -bhe W-a-outh Radio • SG;heael> -• ••':
we:U-» "bhats all- about yow'Gouncxl -bhis month chaps. .••If 2^ .haW any'
queries or 'grumbles, drop me a line - don't forget your Division'li~on3,y-as~^good as
you make it» ~ '
DISPOSALS* :• ^^...•. ^.•. . :. . i:':.^...'
^.Thanks to, the co-opera-bion of John Maoey, -VK7ZOO. iw^:;o&n; now^rr&nge. fbr
dls.Posa3-s gear, etc. to. ^be t^bken -to. LazmcestoaLatid. ' 'J&arni^Devonport, ;'bu^
be a delay of a week of tw on occasions,
SPLATTER It fcy VK7EB " •.•••:. ^:\ ., : .•i: .•:
: Heanfi on the
side^. bands -that Allan ^1i?K7ar^Bifel nfoMIe;"maiine<s^^ few weeks
back - ^ apparently some brigh-b spark gave hiia-'.the. wi^jig .n^iffciGai'':handte'ok«7'^
thought is that Allan thought the "Ark" looked better"" Ark up "'in.-fch~care""i~"f. ou'
have guessed i-b - Allan ended up in the drink (take note 7Clfand TK&L. S^'J.l.Iiawe
been^told pn_gopd authority, that . the . axr. ln'-the vtcxni-fcy ^cam^'so^onised~tha-fc'
rea-LJy rare, DXms^ heard f or. hours . afteC
Ta-rds. Allan. ;ww tells'me-i. ^hQti he; is ;
^
contemplating • building^ a Isyger, israfti,: 'apparen^yiAfffls.. fea^^-wS^'t,h&'liles-beilij'
Shc^eite^ no^.fceirig^aMe'-to WX^'.SQ]^ ^ ^r^^^ ;•-:•'• \i\'^\~: . ' I ^:
lan (Rasputin) Nichol s "VK7ZZ holds the unbroken;. 're. cordf forl rag-cheuing iri
yE7.-. ~ he. admits -fcw. hours —biut^yo^rknbw. how mode;St^'fehe;old'--scoundrel ia, lan also
boa'bs.lnbl41t noise linater, Q5er and signal booster ^ when the "ether consis:b's*'of'
QRN, QRM, QSB etc, he stiU wrics them. ~ ~y^. ~'^~7^~
• ^ ••'-1 beue^_^TC B9r^, ls :PTOg^ssing- fa^urabJy ^th Ms^^
ready for the H.'F. bands Dave? , ".. ; . •^:-. ';:.r; •••-•'. ^:. • .. -:r. . '•• ';'': ;:"'':^.:"-
Mi.ke Jenner va s heard to remark that he might s-fcgrb pounding the key,
Gomplalns^f lack of 9soson-TOF s?^s tM^^g Qf-<iNl^^^^M^^^M^et.
G© to ^ MMse "•jftat think . afiAtie DXi^. '^'-v ^ .•"!••?; ^:;II""::T". ^,T^~""^""i"'r
u^_ .^.^T^;;B?TO6a;;<V^BlJ. ;3U^, ^bOT^^^ aaw shack. i.". g6a.ng -bo be reaJ
cosy too I believe -^Looks like. more QBM in VK7« . f.. j^-l. ;>-^ "^'° " '" -~~'~v, !;:
Bryan Syre VK0BE (VK7ZBE) has been worked on U mo/s around 0900 QMT.
No doubt abo_ut this SSB - G's pound in on 7 mc/s vhen the" band"opens.
a 03 working VK2 and VK3 - sounded .jii.fce,':,the Sunday morning broadcast,"'
The SEi.rei.QfiisIiiBti.tufe of 'Australia. • ^asmaJciiaD.. Division*
iiay~'1963 Monthly BitOfi-bin. Page 3
TEGHNIGAL.
T~Sim. . 'tied ..Multi .lier. \y J. Browi VK73J
. Although thj. s^unit ^oQ s rioi. have re ^ec-bion fa cili-bies^it wi11 glve ir^'fcly
uicreased. gain arid sele.c-fci'vi-by to a conventijfl receiver. Variable -fcuning of -bho
'peak did'not'prove very''usofyl, so the peak'Is left ;in -bhe middle of -bho receiver
pass band, Theresult is a tory effective unit -ui-th only One control (selec-bi-vity)
T<diich can also be set and forgotten in most cases*
IF ... Valve. Grid Remove -the exL s ting 100 pf
.,.lsi. IFF ' I——-—-——^
~^£~'
-c 1100 . . . IX condenser across the se'condaiy of
J;_l6o pf the firs-b-IF'Transformer -and •
3 ;°
-fcT-r"'VW^A
^ ^330.-? ']['00"\« replace with the t-wo condensers
T/1:^.,. 150 y, 'in series, ... -.....•-.. . ; ..........
The fixed resi-stance "R" should be
604. chosen Lso tlia-fc the tl<^t multiplier
--. 022 is just s-barbing to oscillate vhen.
the . selec'fci'vuAy control is full on.
As a start tiy 10k or 22k«
,.^3^. Align the receiver normally with
A.-O carbon •bho "Q" mul-fciplier in low selectiv-
"SALec'ti-ra. ty11 ity. Then advance the selec-fci-uity
con-fcrol and. adjust the secondaiy
slug of -the IFE to centre the peak
in the pass band, Resis'fcance tlRtt may neGd .changing after this.
If tuning ,of the peak through -the pass band is required connect a small
variable condenaor across the IFT secondary and reduce the values of the t-uo series
condensers (keeping. -fclieir ratio approximately the same) so ttia-b with -t&e variable;
at na-d scale the: peak., i,s centred^ Any other "vslve triode comiect;ed may be used»
A Corn c-b BFO Unit by VK7GH
Looking for ways to save space in ray mobile rig I found that this complc-be.
unit can be fjL-b-bed in a raina-bure,IF transformer can,
. -^ Det, ..,^.
2k
:-,.. '-^•^••^ 6v'"Pos. '~'"""" '":'~"''
Remove the winding nearer the base from a minature 4.55., fcc/s IF •fcransformer
and the fixed condenser across each uinding, ^y a little bi-K" of juggling "and" ly'
using niinaturo ceramic and/or ceramic disk condensers and -g- wa-bt resis'fcors, all
parts, including -the 0045, can be fi-b'fced round the former be-bween the remaining
winding and the base, Pa-b a layer :of tape round the lot to_preyen-b shor-bs -bp -fche
can and replace in the can. You then have: a compac-b and- well shielded BPO that
takes up li-fc-fcle space and wrks vezy well. In my case a tap on the cathode resistor
of the output, audio valve provides the necessary 6 volts or so*
The circuit is adapted f3"om one which appeared iu the Bulletin a couple of
years ago,
SUBSGPJPriON
The Secretary,
W, I»A., Taauanian Division,
Box 851 J G. P. O. H obarb
ESbelosed is Gash/Cheque/P. N. /M. O, for £„„___ being ray annual subscription
for the year 1963/64
Address , Name
The, ;l(&re2fQs;s...Institute, of :Aus"tr8lia<, .T,asmajii.Qn Divisi.on,
Mayfl96,?.', *•• • •••-—• • ••- •• ]^^^\, -Q^Q^,^^^ '•• ••:'"'" • : Page 4
BEDERAL CONVEm'ION. :.-•••-... : •;. - ! ,..•-.. -;•., <.••....•.. :. -.,...,*;'i—';;~-^;:
v, -'-!
Our Federal Councillor. Ted . CiTu. se . YETEJ. repo'rfcB ;'£hat '"fcKo"';Cb:nven^i-on uhich s
was' held. i;n'., Sydney over Eas-b9. r was"a.. ;huge. success , in,,eyery^ way, The orga^i. s9^4.on
-^•j:th. e N. S. W» Di.yision was. putis'fca'ndihg ^nd thQ ..hospi.'tQli'fcy.'.bverwheL-ningi' 'We hope
••tozhgye a fuller, .report T%r Ted fq.r.'oiu' nezA. Bulle'fc'in,, . / .
MEMBERSHIP^
There'are .still.. a ppFoxinately one tMrd!of-fche licensed amateurs in -bhe
..
-State . who are 'not-niefflbers Qfi 'bhe Institute, If you know of any why . not -try and
sign'them u.p,': Nomina-bton'.. iFor[ns'arG obtainable from -fche Secretary at, ary time.
HAI-E IN OTHSR GOUNT.RI^S. • •. .. • (N, S. W..Divisional-Bulletin April 1963)
•'. !.;;-- 'Frbm;a:, rQ.cen,-b IABU Galsndar we have obtained some interesting data
•, ::. regarding'the number .. of licencees in o-bher countries and the power inputs they are
:peniii'fcted..,to Use.. :. Me find that Australia is in eighth posi-bion, the li.st being
beaded,, ; Qs'wn.e. nu. ght. j.Gxpect., by the U. S. A<
.•::-.. ' "• ... . '. '. ";' ... ; '. -• '• Number of . Maximym
Lxcencees Power_Inmj Lt
:'u. "s.. -'^'-' ":- 244, 557 1, 000 watts
•:'-Japan 22, 000 500 watts
s!". ";-i
-'• Great'Britain 10,300 150 watts
Brazil 9, 000 1, 000 wa-t-bs
Canada' 9, 000 750 TO-fc-fcs .,.
Germany 8, 724 250 watts""
Argentina 7> ooo
.
1, 000 ua^^ -:
Aus'fcrslia . :A,179 150 wat-fcs
_The maximum figure of t, 000 wat-fcs is permitted by 17 countries including
th e three showi above; another 17 coim-fcries permitting mgxunum input in a range
between, 800 -watts and 200 waUs, whilst -bhere are nine-o-fcher countrie-iS besides
Australia which are peiraitted'.'^o use. a:; liini-fc^of 150 v©.tts, :
...••Reprinted from "Break-In" (N. Z.)
R. S. G. B. HAND BOOKS.
A further order for these handbooks has been despatched, and -they should
be to hand va. thin a month or so. We -will have a few spare copies so send 35s/-
to the Secretary if you wuld . like one (plus 2^d postage if .applicable)
BADGES LOG BOOKS.
These'are obtainable from -bhe Secre-fcary. at a cost of 5s/- egch for badges
and 5s/6d each for log books, -;
BULLETIN
Zone Secretaries and others afe reminded that items for inclusion in the
Bulletin must be in -bhe hands of -bhe -Secre-fcaiy by the THIRD MONDAY in each month,
THIS. MONTH'S REMINDERS,
WEDNESDAY,••'1st i^y General Meeting -
TUESDAI, < : 7th May North Wes'bem Zone Meetilag
FRIDAY, 10th May Northern'Zone Mee-blng'
WEDNESD. AZ,. 15th May V. H. P. Section M:eGtin'g-
MDNDAy, 20-bh №y Council Meeting
73 : •
Cha s. Harris son ;"VE7CH
for Bulletin Committee
E & O. E. (Am typing under difficulti.e;s,'. t,,las,,in.on"fchj;)