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TASMAN I AN DIVISION
BOX 851 J, G-. P. O., HOBART
APRIL 1965
MONTHLY BULLETIN PRICE 6d.
PRESIDENT: Mr. T. Alien TREA.SURER: Mr. V. F. Dare SECRETAJff; Mr. K. Spiegel
VIC7AL VK7JD VF7KS
Registered at G-. P. O., Hobar-b, for -bransmission by post as a periodical.
GENERAL MEBIING :
The .April neeting of -the Division will be held in -the Glut) Room,
147 Liverpool St., Hobart, on Wednesday 7^» at. 2000 hours. The lecture will be
" V/IOEN Message Handlins ", . the lecturer, (VKT^) Ton Alien.
NORTH VffiSTERK ZONE t
The usual monthly meeting mil be held in LAin's Hall, Ulvers-fcone
on Tuesday, 6th,, April 1965, at 2000 hours. Guess I. will have to have a yarn wi^h
some of the boys cLurinff the Dinner - niffht find. oat^what they are up to up there (Ed.)
NORTHERN. ZONE'.
The next aeeting will be held on Friday, the 9-bh., April 1965, a-b 5^ York
St,, LaLmceston, ( Adult Education Centre ). The lecture will be a tape, with slides
" 40 Years of Anatear Radio " ^ VK7LJ, . . &eorge, VKTXL tells me the N. W. boys were
n.ost. impressed as we were in the Soath - so pall the TV plag out a^d go alon£- to
the meeting and see what Lon looked like as, a lit-ble: T^oy ( with a norse key ).
V. B. F. GROW:
The next nieeting of the V, H. F. Group vAll be held in -the •Clii^ Rooia,
147 Liverpool St., Hob^t, on Wednesday, 21st,, ^rll -1965, at 2000 hours, all
interested are cordially invi-fcedc
Council Me e-tin i
(Sorry small. ty?e - I'm ". lousy typist -Ed., ) The April neeting for
Council will 133 held at the Clu^ Rooa, 1. 47 Liverpool St., on Monday, 19th., April 1965.
at 1930 hours.
The""Wireless In.s'titu-te . of .. Au. s-bralia. o Tasmaniaii Bivision.
Aril 1 6 '""Mon-i-hl . BLilletin. .. . •••• • "" . Pa ^'
SUBSCRIPTIONS s " ' • , '"
Subscriptions receive,<i. to;'17-fc'3io Hardi 1965; ..........
Acknowledgement and -thanks" to :,the followins?; VK7DG; VK7ZA3; VKTAL? VK^KS^ VK7ZZ; •VE. 7TX^.
VK7KA; VK7Z005 VK^RX? VI<7ZIffl; VK7KIII ^VIC7ZJG5.. VIC7JD5 ^KTGT? VKpLZ; VK7BP., "W:7AI; VK7ZAO;
VK7DC; VKyJ O; VKYZWs P. Lo Bazeley; HoA. Hutchinson^ lo 'RoGi-Uespie; F. Pienacki; P. J. S-fcir.
ling; M DoR» Harsland? P. Sohul'z; I.to Ho. opor^ I.tos. 1. ITicholla? D. Ford^ I., Ellings^
J'oMoVou.-fc; E. Bevis; R. Brake; B. R. caldron; F»Rioheml65. R. J, Veri-all§ D. Alien..
DONAII&QIIS... S..
AckH,pwIedg&iae.n,rt;-,,a.n.cL •ttiaril£s"-fcQ ;.'VK.7BJ and VJC7CH.
CLUB~ROOIi-FmiTDs'i'Li ^'^
I-fc vras resolved, a-t the':ii.'Ior. oh'mee'"fcin.G. of Coun.cil -bo re - commence the
Clu'b Room Fund arive. - social even-fcs , pliis o.-fcher •pro, j.6c.-ts, aj-"e sugg&^ted. - have YOU"-'-'^
ideas ^hicU'may help ? Any cons-triiotive sugges-tion ivill"'be WQlcome, ••..'•"•.•-,, ' .• .
WoioG. E. ir. .. ' " • ...... ,..'
Headq. uar-fcers Zone held another TOGEN exercise on -the v/eekend 14-th March,
•fche exercise'w.as very successful, ano-bhe'r-exercise is contemplated.. - Sunday 4'th>
April the sugges-fce.d da-fce, foot. field uni-bs (27I;Ics) working in close so -operation
wi-th mobile'uni-ts - VIC7JE'is'working on the details . which vri. il Tie . finalised after
a meeting \?i-th -the Go -ordinatorgo. Further details v/ill be given over 't'he Diyisional
Broadcast - don-t leave i-fr -to -the few - par-bicipp. n-bs CTe invi-fced. An. In-bra -8-ta-be
exercise-sliduld soon 'be on -bhe agenda.. Indicc'y'tion re pr-ogre'ss. would be apprecia-ted
from zhe ITo-rth. and IT or-th Vfes-fcern Zones over •the Broadcp. st.
RErHNDERS s
Don't forge-t the last and mos-b iaportnnt Divisional. func-tion for the mon-fch
refer Ea-rch Bullo-fcin re -bhe Annual GFenernI Mee-ting and Dinner - Sa-turday 27th Harcho
Back on -the old .. hobby horse - PLEASE DONT FORGET YOUR SIIESCRIPIIONS <= TNKS.
DID YOU QTOW
That Osoar'' 3.. now in orbi-t has .a Velocity of 26664 kilo Meters per hour,
i-ts average heigh-t a'bove earth 904 - 958 kilo Meters, Orbit time 103o53-rauau-fces,.
Tempreture within uni-fc varies between 24deg. 8 to 36deg. Co, Most- successful orM-b was
Orbit' 64. when. V/6 worked LU3, a (iista;noe o. f approx 7000 miles also V/6 worked- KH6 and
KL7; 'fche expected life of Ogcar 3 is 30 days frora launchingo
FOR SALE s
Eddys-bone 640 Receiver, in good working order and condi-biou - su.bject to
reserve - refer Fetsru-ary Bulletin. re. par-fci'culars and condi-t'ions' applying to -tender.
The Wireless Insti'fcu-fee of Austr&liao Tasraanian Division,
A ril 1 6 , Pa,rre 3*
TEGSbTICAL
This non-bhs technical ?j?ticle hp. s been su-tei-bted 'by Leigh Pretty - -fchanks
Leigh, if VHP receivers are as siaple as -bhis one looks on paper I vron-b have any excuse
for not buildine i-b ( 3d. ) v^p, POR'^iBLE RECEIVER
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VIhen por-table oper'ation od the VoH. F. 'bands is (iosired, it is sometimes necessary -bo
have a oonver-ber -to aqulre "the needed sensi-fcivi'fcy, whereas when only strong signals will
'be cnoountered the I«F. s-fcages for tliig converter may bG undesirable because of -their
size n.n.d ourren"fc drain. The circui'fc shoy/n here givos either Gonvertsr or super — regen
a-b -bhe flick of a swi-tch.
L1 - 2 -burns. V1 - 6J6
L2 - 1 -tiurn. link ll - I. F. ou-tput tranSo, wound for I, F«
L3 - 2 tLirns, centre -bnpped, frequency ( 24 turn primary, 4 -turn
Ul coils 18 S. W»Go and -j-"d. iaa. <, second. ary for 7 inc.)
The switch 31 changes -the circu.ij; froa super - regen to converter, when in Pos. l tlio
unit opera-fces. as a super regen^ Tho tuning is accoaplished. by neans of 01; a snail
variable. capa. oitor» Audio oscilla-bions are produ. ced 'by the R. C. net —work in -the
pla-te. The Osc. coil is grounded,, •to ear'bli any R. Fo piokod up by i-fc> However -bhese two
coils should, be sufficiently sl'iioldod. to prevent thiSo In Poso2 t'h. Q unit operates as
-the corLvertor. Timing is n.o\v done by 02, or this may be left in a fixecL position and
the lo F. -tunedo I'To provision for osoilla'bor injoc-fcion nQed 'bo nade, R,S injection
^vi'fchin. -the 6j6 is sufficient,, No -fcrouble should be experienced. in ge-b-t. in.g it going,
provided •fche usual caro in wiring of V. EoPo is -taken, The possibilities of an R. F.
sta^e for oxtrs, gain, and a X-b&. I Osc., for extra s-ba'bility should, not 'be overlookedo
Sod Board, ¥K?EB
for Bulletin Cor-iai-tteeo
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