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Newsletter of the Tasmanian Division
of the
Wireless Institute of Australia
(Insertin ‘A.R.")
TASMANIAN DIRECTORY.
Postal Addresses:
Tasmanian Division: P.0.Box 1010, Launceston, 7250.
Northern Branch: P.0. Box 275, Launceston, 7250.
Northwest Branch: P.0. Box 194, Penguin, 7316.
Southern Branch: P.0.Box 123, Sandy Bay, 7005,
WIA Divisional Council 1987/88:
President: P. Frith VK7PF 181, Punchbowl Road, (W) 918288
Launceston, 7250. (H) 430152
Secretary: R. Harwood VK7RH 52, Connaught Cres. 319608
W. Launceston, 7250
Treasurer/ B. Dilworth VK78D 4, Anson Street, (W) 321276
Membership Waverley, 7250 "(H) 391505
Broadcast John Rogers VK7 JK 1, Darville Court 002 293402
Co-ordinator Blackman's Bay 7152
Federal Joe Gelston VK7 JG P.0.Box 1311, 003 272256
Councillor Launceston, 7250
Councillor John Webster VK7KDR 166 Bass Highway, (W)004 301667
East Penguin (H)004 372112
Councillor Noel John VK7EG 30 Spencer Street 004 318490
Burnie 7320
Councillor Bob Richards VK7NRR 14 Kinross Road, (W)003 319866
Invermay, 7248 (H)003 262401
Councillor M. Wilson VK7 ZWW 17, Pyrie Street, 002 281942
Newtown, 7008
Northern Branch Officers for 1987/88 are:
President: Graeme VK7ZGG. Vice-President: Mike VK7MA.
Secretary: Rick, VK7ZZ. Treasurer: Bob VK7NRR.
Broadcast co-ordinator:
WICEN co-ordinator: Phil, VK7JJ.
QSL co-ordinator: Col VK7LZ.
Education Officer: Peter, VK7ZPN.
Next two Northern Branch meetings: June 12th. July 10th
Northwestern Branch officers for 1987/88 are:
President: John, VK7KDR. Vice-Pres: Greg, VK7ZBT.
Secretary: Tony, VK7AH, Treasurer: Bruce, VK/MB.
QSL's: Steve, VK7EQ. Activities: Greg, VK7ZBT.
WICEN: John, VK7ZPT. Stores: Rob, VK7KAB.
Repeater: Andrew, VK7/ZAP., Broadcast: John, VK7KDR.
Next two N.W. Branch meetings: June 9th July 14th.
Southern Branch Officers for 1987/88 are:
President: Keven, VK7KV. Vice-Pres: Barry, VK7RS.
Secretary: Stewart, VK/NXA. Treasurer: Phil, VK7BZ.
Repeater co-ordinator: Anthony, VK7ZTA.
WICEN: Alan, VK7CI. Stores: Mike, VK7ZBW. ‘fisfiapfi
Next Southern Branch meeting: June 3rd. July Ist.|
Final Notes to report on TARC 1987.
How does one assess the success or otherwise of an Amateur Radieo
Convention? Do we look at the number of amateurs attending? Do we
listen to the comments on the broadcast callback, especially the
usually very frank 80m callback? Or do we look merely for the
smiling faces during the event?
By any of these yardsticks it seems that TARC 87 held at Penguin
High School on April 4th was the success we all hoped it would be.
We had 64 licensed amateurs sign in ot the reception desk and maybe
half o dozen more slipped through the net. Although we did not set
out to cater particularly for the public, we nevertheless had a
pretty good number taking the opportunity of seeing what amateur
radio is all about. It is estimated that about 200 people all told
spent some time studying the disploys and demonstrations.
The organisers were very haoppy to note the attendance of a number
of amateurs who are not seen too much at Institute functions these
days. We hope this means we shall see more of them in the future.
It also appears that the idea of o one-day TARC was well-received
because we heard only one complaint (comment?) on this subject.
Apparently the chance to sleep the night in their own beds appecaled
to @ number, judging from the callbacks the following morning. One
wonders in whose bed they might have slept if they'd had to stay
overnight. HI.
The ladies had ¢ 'withdrawal room" in which they could get away
from it all, and to which men were not admitted. They also had the
opportunity to play carpet bowls at the next door Sports Centre.
Some must have availed themselves of this facility because reports
had it that they had an enjoyable but exhausting time.
List of amateurs attending TARC 87 (in no particular order):
VK7NJP VK7WJ VK7WP VK7 AX VK7KNS VK7KAB VK7EQ VK7ZJH
VK7 ZBW VK7NXA VK7EG VK7WN VK7ZPT VK7ZAP VK7MB VK7ZST
VK7EM VK7ZDV ~ VK70L VK7ZWG VK7RS VK7YP VK7 JK VK7 ZRP
VK7KU VK7CF VK7 AV VK7KDR VK7KJL VK7QF VK7DP VK7PL
VK7KKV ~ VK7RN VK7FR VK7MA VK4CAT VK4BDY VK7ZTA VK7ZBX
VK7CI VK7GC VK7KCK VK7BD VK7PF VK7NRR VK7KY VK7VK
VK7ZHA VK7ME VK7NJ VK7NBL VK7ZGG VK7AI VK7BV VK7 AK
VK7JG VK7CW VK7ZBT VK7ZRD VK7FD VK7AH VK7NCO VK7PD
VK7SF
electronics news January, 1987
Ackivity Contre
-lase %-zsd’
/
Night
. A=
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o
“HoW MUCH QESISTANCE YOU FIGURE WE NEED 2"
FOR SALE FOR SALE FOR SALE FOR SALE
VK7ZT, Greg, has for sale the following two items:
1. ASR33 110-baud ASCII teletype, price $£50.00
2. Tandy MC 10 Colour Computer with cassette recorder and
software, price $55.00.
Greg is QTHR, business phone 002.204340. Home phone 002.390160.
RTTY MAILBOX in the NORTHWEST.
It is with pleasure that we report that the RTTY Mail Box
testing is proceeding well. With the experienced assistance of
Eric VK30K and Clive VK3BUS, Andrew VK7ZHA has a working system
up and going. Although still under evaluation, the system is
performing very well, averaging about 40 accesses per day. The
number of files is growing, as is the proving of the area of
coverage. Stations from as far east as Scottsdale are regular
users, as are some of the areas in Launceston previously regarded
as not able to access VK/RAD - they are finding that communication
IS possible! Andrew VK7ZAP was observed operating mobile from our
WICEN exercise at Wynyard, proving the value of both the system and
the practical use of RTTY. By mobile, we MEAN mobile - the gear was
self-contained in the vehicle in the middle of a paddock!
Codes for operating into the device are as follow:
For File 1... Help
Your transmissions must begin with a short pause, end with +? and
have no breaks. If it does not respond to +? try inverted commas "?
Commands......
(1) FILES +?
(2) INPUT (FILENAME) (SPACE OR C/R) (YOUR MESSAGE) +7?
(3) OUTPUT (FILENAME) +7?
(4) ERASE (FILENAME) +?
(5) STATUS +?
(6) ECHO: (YOUR TEST MESSAGE)
BRACKETS ENCLOSE VARIABLE DATA. DO NOT ACTUALLY TYPE THEM.
TYPE OUTPUT README +? FOR EXPANDED INFORMATION
+?
The system will respond with VK7ZHA-MAIL indicating end of the
transmission.
The above should be enough to start you into te system, the expanded
information giving you more to go on with. Should you require more
info, Andrew is QTHR and would be delighted to hear from you.
SO YOU WANT TO CONTACT THE EDITOR?
His nome is John Rogers. His callsign is VK7JK. His telephone
number is 002.293402. His oddress 1is: :
1, Darville Court,
Blackman's Bay,
Hobart, 7152,
And when you lose your copy of "QRM", remember he's QTHR. When
he is ot home, the 2m rig is normally running and listening to
Repeater 2.
WICEN SOUTH
Exercise THUON" which toock place 1n the d@aArve Valley on
11—-12th.Apr1l had +f1ve objectives and as four out of the Ffive
were achieved the exercise was deemed tc be reasonably
successtul. The +act that everyone seemed to enjoy themselves was
an added bonus. :
The exercise t+indings were as tollows:
OBJECTIVES
: Fropogation from the floor of the valley on 80m could
reach virtually any part of the State provided an etfective
antenna was used.
E: V.H.F. (Zm) contacts up to 1Skm. through the walley
were achieved but for consistent communication with the mobiles
the satelliite statione cbvicusly needed some elevation.
C: Due teo the lack of manpower we were unable to set up
repeater 4 for linking with repeater 2.
D: The group did sustain the 24 hour exercise with the
exception of a short period in the early hours of the morning!''.
Ea Technical problems 1n somne areas gave the controllers
an cpportunity to test the flexibility of the net. The group
responded well and constant communication was maintained.
MESSAGE HANDL IRG
In the Z4 hours 132 written messages (2640 words) were
sent and received. A compariscn of the +inal copies with the
originals i1ndicated only five errors were made. These were all of
a minor nature , eg "and the etc".
Analysis of the message times of origin and receipt
showed average transmission time +from the Mobiles to H.B. was
S.36 minutes and H.G8. to Mobiles 8.05 minutes.
It was agreed that Amateur procedure is not formal
enough for this type of operation so an approach has been made to
farmy Sige. for assistance in the +form of some lectures. More
about this later.
TECHNICAL
A11 stations need to have been tested i1n the role they
expect tc play prior to the exercise.
A technical group 1s needed to 1investigate the
develcopment o©of a suitable hard copy link between WICEN base and
H.Q..
FUTURE EXERCISES
It 1s planned to run one major exercise per year but a
number of minor operations i1nvolving one or two sections of the
group at a time will be necessary to test various aspects of the
net.
Next vyears exercise is already in the planning stage
and just may contain a surprise or two!.
MEMEERSHIF
We now have 28 registered members:
VEVAL, V7AW, VE7BG, VEK7DR, VK7DS, VK7CI , VK7FT, VK7JK, VE7KJ , VE7ER, VETEV
LVE7LI, VE7RE, VE7VY,, VEK7YF, VK7NBF , VEK7NCH, VK7NXA, VK7KBA, VE7EJA, VET7ZA
R,VK7ZBZ,VE7ZDV,VK ,VK7ZIH,VK7ZMH,VK7ZST,VK7ZTA.
7Z6K
New members will be very welcome.
VK7CI Alan Southern Tasmanian Co—ordinator
D.o.C. Information.
(Please note: these are extracts from a letter which has been included
in recent broadcasts, but which may be useful to have in more
permanent form.)
From D.o.C. to Federal Secretary.
Referring to paragraphs 6.55 and 6.56 of the Amateur Operator's
Handbook..... The Department hos decided to relax the conditions
applying to relays, recording and replaying transmissions. Accordingly,
I am pleased to advise that from 25th March 1987, Australian amateur
stations may engage in re-transmissions (relays), recording and
replaying of transmissions asubject to the following conditions:
1. When retransmitting another amateur station's transmissions, the
the licensee of an amateur station shall:
(a) not do so without the originating station's consent;
(b) remove the originating station's callsign from the
retransmissions; and
(¢) insert their own station identification before and after
each transmission, indicating that it is o retransmission
of another station.
2. If the originating station is recorded for subsequent retransmission
purposes, the licensee shall ensure that such transmissions comply
with conditions (a) to (c).
D.HUNT,
Manager, Regulatory Operations Branch
Radio Frequency Management Division, Canberra.
Radio Amateurs'® 0ld Timers' Club.
(A note from Joe, VK7BJ).
The Radio Amateurs' Oldtimers®' Club will hold its June "Gabfest™
on Tuesday, June 9th at the Waratah Hotel in Murray Street, Hobart.
Members and intending members are invited to roll up from noon on-
wards to have a chat while enjoying a counter lunch.
Anyone who has held or has been qualified to hold an amateur
licence for 25 years or more is qualified for membership. For any
enquiries, contact VK7/BJ, VK7GB or VK/KA. VK7BJ has a few member-
ship application forms for anyone wanting one.
More or less on the same subject, you may like to know that the
Federal version of the R. A. 0. T. C. holds a monthly net and call
back on the first Monday of each month starting at 10.00 E.S.T. Three
frequencies are used for the News Bulletin and call back, each one
using the OTN callsign. They are: 7060 KHz, 3624 KHz and 145.700 MHz.
There is also a transmission on 14150 KHz so that ZL and distant
Australian stations may receive the News Bulletins but there is no
callback on this frequency. At 12.00 E.S.T. the long haul net and
callback from VK6 will be on 14150 KHz using VK6O0TN.
"50th. Anniversary of Something-or-other"
(A note from Don Hughes). I enclose the Menu and Toast List of a
Dinner held exactly 50 years ago. It suggests that this month just
must be the anniversary of something-or-other ond the 50th ot that!
Perhaps someone could fill us in on the details of that dinner ond
prepare us for a repect celebration.
(Seems to b? Oldq_]'irg‘grs issug!__‘t\h_i;g_“:)n\e.'
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FISHER
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Hocker's Cod(s)
THE INSTITUTE PALTRY-(VERY) |
Proposed by E.J.G. Bowden Spurred Rooster
(Deputy Radio Irmspector)
Response d.:1. iloorhousc JOINTS-(BADLY SWEATED)
(Secretary Tas. Division)
o - Roast Buck
Red Foley Kow
The P.i1.G's. DEPART.TIT Gill-Ham ... {
Proposed by F.'l. H{edhurst . SPUDS il il
Kesponce E.J.G. Bowden - . o )
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THr. VISITORS BESN -
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Proposed by A.E."Allen - :
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Bearing 60 degrees
Lat, Long. Lat. Long. Lat. Long.
11.3 7 36.4 g
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USING A WALL T
MAF_TO FIND R S
SR LIRECTIONS -11.6
T1003 20
a0 27.8
14 4 400
-41.8 60 -2.,6 60
Having no map suitable for finding bearings so that the H.F. beam may -47.6 80 -18.9 80
42.6 100
be afmed in the right dircoti 1 decided to attempt to find a convenient -33'2 128 :gg'g }gg
method of doing this. The commonest map available cheaply is the Mercator L -43.3 120 1 14
projection type and having & large one of these T decided to plot the -41.7 140 -40.3 140 -4 1 0
great circle paths for different bearinygs from the home QTH on it. Since -30.2 160 -33.1 160 -40.5 60
this involves tedicus calculations by ncrmal means I resolved to use the -11.3 180 -20.7 180 -36.4 180
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160
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computer at work., In addition when the programme was written I could ;é-g ijg —iz-i iig
simply re-run it with the oripin for any place in the world. e 130 15 140 2.6 120
29.4 120
The result is the sct of figures based on Launceston (although it is 47.6 100 38.3 100 18.9 100
Renerally accurate v for nll of Tasmania)., The bearings are at |5° 49.4 80 42,6 80 30.9 80
intervals and cach A 15 a point on the relevant great circle. 47.6 60 43.3 60 38 60
By plotting ell of the points for one bearing, that particular great circle 41.7 40 40.3 40 41 40
may be drawn. Fach one is a sine curve, symmetrical about the equator, 30.2 20 3.1 20 40.5 20
OO0 TTIZIIIIZX
AEdEONENENRNTIIIZIIIIT
Note negative latitudes refer to the Southern Hemisphere. 20.7
HMEHdONOEHUEHdEHONIIIITIIIIR
The zero bearing 11.3 g g 36.4 z
is a north scuth line through Launcesten and the other focus of the lines.
Bearing 105 degrees Bearing 120 degrees Bearing 135 degrees
A (very) rough map has been included to show how the finished product
should look. It is nct intended to bc used ahd is not particularly
Lat. Long. Lat. Long. Lat. Long.
accurate although unless your team is extremely sharp it would serve for 43.4 g 48.5 ¢ 55.1 g
this. 1If anycne wants a set of figures based on some other location they 41.8 20 49.2 20 57.8 20
may contact me directly. 36.2 40 46.4 40 57.1 40
25,7 60 19,1 60 52,9 60
9.9 80 25.6 80 43.1 80
i
Nith adnow! ec\sman\: 4 bo s VK 700 ai
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i 4.9 100 23.7 100
-17.6 120 -6.3 120
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OO
(from @RM™ Sapx. 1O74)
-43.9 160 -47.9 160
M0N0
-48.5 180 -55.1 180
Bearing 15 degrees.
1
Bearing 30 degrees. Bearing 45 deqgrees. -41.8 160 -49.2 160 160
n
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Lat. Long. Lat. Long. Lat. -46.4 140 -57.1 140
Long, _25.9 120
-39.1 120 -52.9 120
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-73.8 20 -53.1 20 -30.7 20 W -4.9 80 -23.7 80
-77.5 40 -63 40 -46.8 40 W 17.6 60 6.3 60
-78.7 60 -67 60 -54.6 60 3557 40 W 34.3 40 32.9 40
-78.5 80 -67.9 80 -57.6 80 W 43.9 20 47.9 20
-76.7 100 -66.3 100 W 55.1
IZIZIIZIZIZIR
48.5 g g
ARENEHEARERENIZTIIIZTZIIIZ
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-71.8 120 -61.1 120 -53.5 120
-55.9 140 -48.5 Bearing 150 degrees Bearing 165 deqrees
140 -44.5 140
14.7 160 ~L7.3 160 -26.4 160 Lat. Long. Lat, Long. Lat. Long.
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63.1 180 28,5 180
73.8 160 53.1 160 30.7 160 -48,.1 80 71.8 100
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78.5 100 67.49 100 57.6 100 5345 20 -63 160
7647 80 66.3 80 5743 80 63.1 2 -73.8 180
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55.9 40 Bearing165 degrees -78.7 140
48.5 40 44.5 40
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-14.7 20 17.3 20 26.4 20 Lat. Long, -78.5 120
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The 1987 Expedition of the "Dick Smith Explorer"
from Sydney to Port Davey and return. (Continued)
Of keen interest to Don (VK2BXM) was an attempt to make contact
with Hobart from Port Davey on 2 metres SSB. The first attempt was
on Friday evening, 13th. Don was using a brand new Kenwood TS751,
a 175 watt Mirage linear and a 7-element yagi. Liaison was on 80m,
but, remembering it was the 13th., there was no luck, of course!
A sked was set up for Sunday morning, but unfortunately, due to
a call for a rescue mission for one of their dinghies, Don was unable
to keep the sked. Early on Monday morning, Don was able to hear the
early birds on Repeater 2, and managed to get a scratchy signal into
the repeater, but the boys at this end were not able to discern his
callsign or location. It did give some incentive to have another
try however, and later in the day another attempt was made on SSB.
This time, several words were copied by Doug VK/AZ, but that was all
and no two-way contact was made.
The work load prevented any further experiments, and the "D.S.E."
sailed for Hobart in the early hours of Wednesday, 18th., arriving
in Hobort around 04.00 on Thursday.
Departing the following day, the "D.S.E." began a rather long
and frustrating trip back to Sydney, where she arrived on Saturday,
28th. After a good run up the east coast of Tassie, they ran into
very heavy weather in Bass Strait and had to heave-to for some hours.
A highlight of this hold-up, however, was a spectacular electrical
storm, with lightning strikes into the sea all round them.
The eve of the 25th saw the ship just east of Gabo Island, with
a beautiful sunset and some forty or fifty porpoises frolicking
round, three or four at a time leaping from the sea. On Friday 27th
off Point Perpendicular, at the entrance to Jervis Bay, a 30 pound
Blue Fin Tuna was landed! By this time the wind was back on the nose
and Don and the crew were motor-sailing against that and a southerly
setting current.
And so ends another "learning by adventure". Plenty for the log
of the "Dick Smith Explorer", and for mine.
de VK7FB.
GOULBURN VALLEY NOTES.
3DW.
DYRT . . .
3CN getting back into his old stride,
- ‘
SCN—Snowy Harrisson—IListens to
u}_\d has ulmost_ completed MOP’A with the pennies dropping, and counts ’em
4,1—C‘Ov Jand ~
pair 46¢'s in parallel. for one by one, at the BDunk of Australasic. «!
¥him
imig on Oy‘kjrl”\'('d‘%}'-“
3625 an
to look out for 3CN Bx TCH—A6 is TNT with both .
250 ket's. Snowy re- oride {ie cpther. ke
cently had the misfortune to pull down 3;}[1(.3.S “1'1)((1(1 utiy(:;”::.;,'hu?;i, 0}]_},[]7;“(\:\..:(\9; X
gorl_mn (v}f] theboardinghouse chimney 7‘_“); grets Ot nicelv ) ‘ ‘ &
uring
:Imd é’“l} the
beingercetion
satisfiedofwith
his that,
antenni.
fol- P G YT A e World”
W arlar two
fwe ACN using
e
un}d“fi(? Wide 58
owed
S the damigede td portion off the roof
. .
Power supply from 280 common to
\ve_H.CH[]!
himself. No injuries,
des, and
¢ both doingr -
Nmtr and Rx. i .
| r&ju/ fiflwuugw/ (imsacet next madl..