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THE WIRELESS INSTITUTE
OF AUSTRALIA
Tas manlan Divisi6a» <-...*
MOKTiiLT BULLETIN. Box 851J. G. P. 0. .
i\ARC5 196 Xl,
Prioe 6d, ROBART.
PR3SID3NT. TREASURER.' SECRETLY.
<Ir'.~TT~5"Ilen* 1'Ir. C. "Ha'mss on, MrTmTHTn.
VX7AL. VICTCi: VS7K&-.
Se^is^-b^r^d^a^ ^._P^C'^0«^_H^ba^r^, _f^or^-';^ajiQ^i^sJ^o^ ^y^JP^s^. ^.s^.a^S):<J. od. l2aJ:*
TJiviETion
G-EITER^L MEETING. .. The next General Mee-fcing of -fche Tasn&niaiyW ill be held 9.^
TKe'GTu'b 'Spoms, 147 Liverpool S-b*, Ho'bar-l; on Wednesday, I&roh 1st. nesrt
a-b 2000' . Ers.
LECTURE.
The Lecture this rnon-th will be given by Mr, R. Dowden, Officer in
GbArge of -t;he lonospherio Fredio-bion Servioe. L!Lr. Dowden ivill talk -fco
us about the research ^ork on V. L. F. (Ysry LcnAr Frequencies ) being
undertaken in Tasmania at; the present t;ime. This should be a very
in-fcsrs'fcing evF-. ning;, V. L..L'\ is b-eing used more and more -these days,
and oonditions on these loiv frequenoies s-een to very nioe and quiet
quite " a hange from -fchs vB. oke^ which persists on 5*5 to 30 Mc/s.
So COt®ALOK& ^ND BRirc A VISITOR OR WO. ,
EQRTHERIT ZOIJE. . . _ _ -.;
"-"-."'" The Annual General Mee-fcing of -this' Zone will be held on Ife-roh
l&th. next a-b the residence of the Zone Fresiden-b, &ir. C.G. Waldonsi
11 ^oolvens St. King's Meadows, L&unqes^on. ZONE M323EES PLE&SE NOTE
and keep this date free.
I-Tor-fch-'.'es-tern Zone.
"No details of next Meeting at -tiine of -wri-bing.
V.a.'F* Group. d.io-t-es supplied by R. Emme-fc't, Group Publioity Officer.)
-ATHOlT'^OHKSON COST^ST.
"Lops, sPiould be forwarded by Liaroh 50T;h. -bo the
.
Divisional Seore-barv, . P~. P. 0. Box 8511,. Hobar-b. Envelopes &'^ST be
endorsed "Athol Jbhnson .Mccori&l Con-bes-fc". Byen if you made only one
oon-bao-b, send in a log, '-bhey all help to sho-w hcnv muoh the V. H. F.
bands are being used.
Th' February Eae-fciny took -the forn of a visit -bo a plaoe of
^T. ?. & Y. E. F. in-teres. -t. The transKl-t-bers inspected prcfved of ex-fcreme
interes-fc to those a-fctending. . The -nex-fc Meetinp; of -the Y. E. F. Group will
be held on l^pbh . 15t.h«, de-fcails of the ao-fc-ivi-fcy arranged will be supplied
la4;er.
50 1.^0/s.
Looal a.otivi-by is quite good, -fcher" is one UCToomer t;o -fche
Mo/s brigade and To'd Beard is expcoted anyfcine noir. A'lain band openings
for the mon-bh ending 17/2/61 in Sou-fchern Tasmania were:
Jan. 17th. VK2, '4 f: 5 a-fc'tsrrific s-fcre. ngfcfa; -fche local press repor-bed
.
r'eo'epTTSS of ABT2 , i.n Alice Sprinss . No rspor-bs, however, of -the VK8
sigs..,,
Jan. 21st. YK2 at S° plus. Jan 22nd. JA si^nsls heard but none worked.
Jan'24th. 'VT:2.. -Jan 25th, VK5. The 1st. & 3rd. of Februa-ry were also
good. A foreig^^M.-station was heard on Feb. 16 -th. at 1500'hrs. but
no JA's eveat. ua -bed however.
144 iln/s.
^~ T^e hope to or.ack -bhe I'Tor-bh-Sou-fch barrier this season- Dave VI:7ZAI
.
is' OQUSidering &. 48'-el-3men-b . wat;si-t '. '. '.
288 Mo/s . . . ,
'" VX7ZAQ nov; has x-fcal oontrolled mobile in operation*
576 Mo/s.
VKT^I, ' VK7Z.A.O and VX7ZAQ have gear opera ting.
SJ'r. L. Group (^To-bes szipplied . by. i^-roup Seo. I. .Ii'. Kike Jexiner.)
The nex-t i'G^ing of this Group will be held on Wed. March 8th.
This will be a special Eee-bins for nCT Members^ and .there will be
The -Monthly Bulle-fcin--of--};he ^Wireless Jn-stitu-fce of Aus-bralia.,
Tasmaniau. Division. Page/2. \ ' ^' '^, : "": ; , ;'
equipment of all desorip-fcions on display. There will also be a
short Leo-ture o.n -fche operation., of a S^'. L* Station. It is also ^
hoped, -fchat -fcher. e. wfill. b. e-a demo. ns-fcra-fcio. n of Qommunloa-bion on .
V.H«F.
Mike also informs, me that he is sending a le-bter -bo all -the senior
s.ohools in Hobar-fc in order -to a'ttrao-t; some more Menabers* This is a
very good' move and if YOU know of any youngs-ber who is in'fcerested
in Radio, then he v/ill no doub-b be very in-fceres-fced -to know .fcha-fc
tha-b hhat .there is a S.^Z. L. Group in opera'tion* After all, from my
fffm personal experienoe, and possibly . yours, thai; is how -the bug
firs-b bites, so le-fc us do everything possible -bo enoour&ge the
coming- generation, t;hey will haree -bo carry on . in .the no-b . so nany
years. to 6ome»" Also, and -fchis is IMPORTANT?'the S .W. L. Group would
greatly appr©oia'te some of. -bhe Full Members giving -bhea a talk on
various tua-b-fcers appertaining -fco. Radio, it does no'fc have .to be a
Teohmd. Q.dl trea-fcise, just; a talk on simple equipmen't, an-fcennas . e'to .
Volunteers oontao-t Mr. Mike Jenner, 20 Churoh S-b. New Norfolk or
at the General Mee-bing. And one for the Members of the S.W. L» Group,
don'. -b forget -bha-b -fchere exists a .very effioien-t form of oonimunioa-tion
which it will. pay -bo'oul-biva-be, C .W. or brass-bar modula-bion.
. s* R.' IT. Con-bes-fc.
This o^n-tes-b will be held on March llth. - 12-bh. I have not a
copy of -bhe Rules but; if possible -bhey will be given over the
VK71TI Broadoast, times e-bc. This'-a C.W. Con-tes-b and is a very
popular one» Time aafid oiroumstanoes permi'bifiigg, I hope to have a
go a-fc i-b -this year. WFAT ABOUT YOU.?
ELECTION OF FEDERA. L CeffHCILLOR.
The result -of the Ballot for Federal Couno?. llor is
-bhat; Mr, I. Niohols, VK7ZZ -is the Federal Counoillor for this Divis-
ion for the year 1961-62. A ra-bher staggering number of Ballot
Papers were re-bixrned, fourteen of them. Ra-ther & poor peroen'fcage of
.
those Members eligible t;o vote, would you agree?
ELBCTION OF. COTOFIL 1961-62.
15^1uded wi-fch -this Bulle-fcin(for Full Members),, is a
Ballot Paper for YOU to elec-fc -fche Counoil for -bhe ensuing -bwelve
mon'ths. The full Tns^tructions are on the Ballo-fc Paper, RE&D and
UITOEBSTAM) . the simple, direc-fcions and -bhen send -bhe Ballo't Paper ±Q
.
the .Returning Officer, . J. Brown 12 Thirza St, NEifT TCWrN?NW.
Le-b us see if we can have a bigger pereentage of Ballp-b Papers
re-burned -bhan was -the case for the eleo-fcion of -bhe Federal Counoillor.
ANTTUAL GENERA. L IVEETING AND DINNER.
s men-fcione d in last month's Bulletin, -bhis years
Annual General Mee-bing and Dinner ivill be held on Maroh 25th, (i-b
is a Saturday) and the venue will be "Lynfield" 320 DavT ey S'fc.
HOBART. This is located -^ mile pas-b -fche Globe Ho'fcel, on the same
side of -the road travelling tow ards the Mountain* The Annual
General Meeting will oommenoe at 6. 50 p. m. and -bhe Dinner at 7. 30 p«m.
Members are iir/i-fced -bo Taring one Lady ffuest'to . fche Dinner,. For -those
Msmbera vjho wish to bring -bheir Guests along at 6. 50 p. m. facilities
are available, for .the en-fcertainment of said Gues-bs while the Aixnual
General Meeting is in progress. The cost of the Dinner will be ©ne
Guinea (£1-1-0) per person*
m. MES OF THOSE WHO WILL BE ATTENDING THE DINNER ITOST BE IN
THE EAI.3DS OF Mr. E. J. CRUISE ON OR BEFORE liA-RGH 16th. NEXT. HIS
ADDRESS. @S COLVILLE ST. BATTERY POINT, PHONE 25617.
As you will realize, oa-fcering arrangements mus-fc even-tually
be finalized and that i& .-bhe deadline,MARCH 16-fch, DO IT NOW, do not;
defer or neglect it, because if your n&ms is no-t in .fcha.t will be your
bad luok. Retnbaber .fchSi-fc -this is the firs-b time tha.t we have had .bb©
pleasAre of the Ladies ooapany at the Annual Dinner, so make an all
ou-fc effor-t -bo meb e -bhis event an outstanding suooess,
COUNCIL MEETIK G.
The next Council Meeting will be held a-fc ^he residenoe of. .the
'President, Mr. T. Alien on Thursday tlaroh 16-bh.
The Monthly Bulletin of the Ti'ireless Ins-ti-fcute of Australia.
Tasmanian Division* Page 3.
AI'TNUAL The'financial year of the Tasmanian Division is from feroh
SUBSCRIPTIONS. Is-b. oaoh year to February 28-fch, in -bhe following year.
Notioes of Su'bsorip'fcions due are NOT sent out individually, bu-b
are inserted in the February Bulletin.
Ar-fciole 47. "In the oase of a Member whose Subosripfcion remains . unpaid
by -be firs-b day of April in the Curren-b year -the Seore-fcary shall no-fcify
him by reges-fcered mail to his las-b knov^n address . fchs. t unless he makes
himself financial on or before the first day of May next following he.. . --......
shall' oease -bo be a Meiriber of -bhe Ins'fci-bu-be bu-fc shall remain legally
liable for his subscrip-fcipn -then due and failitig payment by suoh Member
of his Subscription on or before s uch l&st mentioned da-fce he shall oease
.
fco be a Member.
Whilst Registered Pgst is now r&rsly used in .this Division, noti&-
oes have been sent to those members oonoernod, in .bhe past, as la'be as
May or Jucie.. BUT NO MORE . At the end of the period speoifiod in .the
Cons-fcitu-fcion Council will have BQ option but to order . fche dele'fcion of
those unfinano^i&l Meiribers, an unpleasant task and one whioh causes much
oonfusuon and of-ben some ill-feeling fron the habitual forge-bful few who
are d.ele'ted and subsequently pay up. The adjus-tmeni; of Ciroulation L^s-bs
for bo-bh -bhe Bulletin and "An&tGur Radio" gives everyone conoerned a lo-b
of unnecessary work, to say nothing of -the postiage oos'fcs involved, and
the dilatory Member has generally lost 2 or S month's issues of the
.
Bulletin and "Amateur Radio".
ANNUAL
NOTICE TO ^IEI^BEES .
SUBSCRIPTION.
Please no-te -fcha-b' -bhe Annual Subsorip-fcion for -the
year ending February 28th. 1962 is due and payable on
Iferoh Is-b. 1961.
The ANNUAL SUBSCRIPTION is: . Full Member Ci-by £2-0-0. "Full Member Coun'fcry £1-1540,
Assooia-be City. £1-15-0. Assooia'te Co-Lin-fcry £1-10-Q.
S-fcudea-t City or Coun-bry £1-510. .
PLEASE PAY PROMPTLY.
RESflTTANCE FORiiI.
Name VK,
Assooia-te
Postal Address
. Exchange is no-b neededoon
. Ins-bi-fcu'fce cheques*
Enclosed ............ for -the sum of £.,........... . Money Orders or B/N
Ahnual Subsorip-fcion for -bho year 1961-62. . should be payable at G. P. O.
. HOBART
Please check the address shown on your Bulletin.
Are you receiving both Bulletin and "A. R. " regularly?,
Are the p&r-fcioulars eind address shown, corroo-fc?,
If no-fc, ploase let us know.
MEIffiERSHIP BADGES .
A-fc the present time -bhe only badges available are Assooia-be
Member's badges. I belaave -bha-b in -bhe possible near future . t!:a'<-. a new
minia-fcure bagge will be available for both Full and Assooia-fce Mecrbers*
However, if you require one of -the presen-fc designs, which, no doub'1;, yw
are cipquain-fced with, -bhen please let; me know, ^here are not niany andc.will
be available at the'General Meeting and at the Annual General Meeting.
Also have a couple of oar badges for -the Mobile enthusiasts. Could do
wi-fch a few more Mobileers here in VK7, by -the way.
The Monthly Bulle-bih of The Wireless Ins-bitu-be of Australia.
Tssmanian Division. Page. 4.;
Q, S. EurB®BEA.U.
QSL Cards are sent -through -fche Bureau as Cotnmeroial Papers,
Postal Regulat;ions for -this o lassificd. -fcion require -bhat theQSL cards
WJS7 NOT carry personal oomment-s in written form, which inoludestype-
wiii-fc-ben, 'between opera-bors, but ONLY de-bails of the QSO filler in
be-fcween'the prin-bed seo-fc. ions, Ca?35*~whioh do no-fc comply witl h_'fchese reS~
lations will, in future, be returned to -the'sender from_-fche VK7 Bureau.
Your oo-opera-fcion in -this tna-fc-fcer will be apprecia-bed. If you mus'(; add
personal commen-bs, -then please send your card direct. QSL means
aoknowledgtnent of'receipt, and you can say all you like as far as
personal, comments go in'ths QSO'in the firs-b PlaGe-. Remember,'. Persona^
oomrrsen-bs 'on -the card will no-b ensure -bha-fc your DX -will send his card any
sooner, in fact he may not even get yours due to aforementioned personal
oommen-fcs. It has happened -bha-b a large ba-fcch of cards have been returned
from the U. K. Bureau owing to one. or -two cards no-t mee-bing Pgs-tal Regul-
a-bions. The QSL Bureau is NOT a Pen-friends Club.
USE OF FOREIGN L1NGUAGES. . ^ ,
The P.M.G. Dsp-t. advises -fchat; -bhe ban on the use of foriegn
languages has'been'lifted/So all the linguists on 'phone can maybe rake
in a few more exotic DX stations,
Yfell. I think -bhat is all for this mon-fch. DOE'T FOBGET THE
BALLOT FOR THE COUNCIL AM) THE ANMTff^L DINNER. Tear off the form on
the o-fcher side of this and send i-fc -bogether with YOUR Subsorip-fcion . to
.
the Secretary or Treasurer Box 851J. G. P. O. Ho^ar-b, NOW ?f - --
I.M. M. S'D IA T ELY ^ - -I F '-N 0 T S .OON ER .
Hope to see YOU a-fc -the Dinner and don'-e forget to notify
the fact -fchat Y. O U will be attending.
75
K E. Millin.
Hon. Secre-bary.
The Monthly Bulletin of The Wireless Institute of Aus'bralia.
Tasmanian Divisi&n* Fage 5.
TRi^NSISTORIZED COI-ryERTER FOR FIELD DAY ENTHUSIASTS.
I-b is no-b claimed that the ciroui-bs'~which follow are the ul'fcitna'te
in performance, but it is suggested -bha -b -fchey would be quite handy -to oon-
vert B/C sets, ei-fcher car radio or portable, for field day opera-bion. As .tran-
sistors are not particularly uniform, i-b tTfiy be neaessary to esperimen-b wi-bh the
Taias resistor, Rl. ^TfiL
.
Conver-tor. il ?--> ^ /T£^<S'/^<-''.
0/
H'
^ ^ V N1^.
Sl, Select for best results 390 -to 470K is a good start.
B-bal.
5. 5 Me band. 4. 4. Mo/s gives I. Fo of . 9 -bo . 6 Mc/s for 5. 5 -bo 3. 8 Mo/s .
5. 1 "' " " " " 1. 6 -bo 1. 5 " " " " " "
Me« band. 6.4 (I II
" . 6 -to . 9 /s For 7. -bo 7. 5 Mo/s.
5.7 It II
" ^^ " ^Q ". » n "
Any crystal between . fchese limit. s would be OK,
LI and L2 are wound on t-" slug -tuned forms.
3.5 7
LI -8~~ T ~^~ T
L2 60 32 "
Tap 15 " 8"
LI & L2.
-|,
"
wound, spacing between
Use 28g. enayi e-1 oloss
Cheok for osoillation by listening to -the orystal frequenoy on a rsoeiver,
Suitable Transis-bors. OC44, 2^4%, 2N372, 2N252.
The lead -fco -bhe B/G set; should be short and UNBEIELCj^.
Al-bhough -the oonver-ber will allow you -bo -fcune in 5. 5 or 7 Mo/s ^;si^s^6s
on your'B/C'set, it; will not let you receive -the C.W. signals used on fleld days
so it is necessary to add a B. F. 0". This can also be transistorized and being
small it may b possible- -to moun-fc i-b in -the receiver i-fcself.
B. F. 0. 6t;^^. cl'C^^. ^r
o^r
^. ^^, /i^f.
^0+
Again it may be necessary -bo experiment with Rl» LI should be 6&08enffipr
^he required I. F. and should be slug tuned. For 455 Kc/s one winding of an I. F.
.
brans former would do*
'The"drain of -the ooiwerter and E. F. 0. should both be well under^l^Ma^
so a bakery"made up of pen-lite cells should have praotioally their shelf life,
ONCE AGAIN^ if you have any ar-fcioles suitable for the Teohnioal page of
the Mon-bhly Bulletin, please let me have -them. Any of your pe-b sohemes, and
everyone has something'which he considers is very handy, are the 'things
t;ha-fc"we wan-b to hear abou-fc. Also remenber -tha-fc any i-bem you wish included in
.
the Bulletin must be in the hands of the Secretary on or before the third
Sa-burd&y morning in the mon-fch.
—_—
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