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# History of wireless telegraphy and broadcasting in Australia/Topical/Publications/Australasian Radio World/Issues/1942 01
## P.03 - Contents Banner

The Australasian Radio World
Devoted entirely to Technical Radio
and incorporating the
All-Wave All-World DX News
Vol. 6 - JANUARY, 1942 - No. 8

## P.03 - Publication Notes

Proprietor, Publisher, Editor - A. G. HULL
Editorial Offices - 117 Reservoir Street, Sydney, Phone MA2455
Office Hours - Week-days: 9 a.m. - 5 p.m. Not open Saturday morning
Subscription Rates - 6 issues 5/3, 12 issues 10/6, 24 issues £1, Post free to any address
Service Departments - Back Numbers, 6d. ea., post free; Reply-by-mail Queries, 1/- each; Laboratory Service, 2/6 per set
Printed by Bridge Printery Pty. Ltd., 117 Reservoir Street, Sydney, N.S.W., for the proprietor of the "Australasian Radio World," 117 Reservoir St., Sydney (Footnote P.36)

## P.03 - Contents

CONTENTS:
CONSTRUCTIONAL -
Signal Tracer for Battery Operation . . . . 13
Countryman's Seven-valve Dual-waver . . . . 23
A Portable Battery Circuit . . . . 9
Renovating Radio Cabinets . . . . 10
TECHNICAL -
Direct-coupled Phase-changers . . . . 5
Five-way Tone Control . . . . 12
Fundamentals of the C.R.O. . . . . 15
Some Battery Set Considerations . . . . 20
SHORT-WAVE SECTION -
Notes from My Diary . . . . 24
Loggings of the Month . . . . 26
New Stations Heard . . . . 25
THE SERVICE PAGE -
Answers to Queries . . . . 34
Battery Circuit Contest Results . . . . 11

## P.03 - Editorial Notes

Editorial
The arrival of a recent mail has again emphasised the amazing way in which the English "can take it." Notwithstanding the difficult conditions which must prevail on account of the incessant bombings, the radio press is still performing its work of national importance by disseminating technical information. In London the good old "Wireless World" carries on in grand style, strongly supported by the leading advertisers. In their latest issue we notice nearly all the famous brand names amongst the twenty-two pages of advertising. Fortunately, our position in Australia is infinitely safer than in Britain, although our radio business has its trading difficulties. It is encouraging to notice that these difficulties are being faced in true Digger spirit and with a long-range outlook to the wide span of years which lies beyond our immediate task of dealing with the present disturbers of the peace. In the meantime, we radio men will need to show the keenest initiative to keep our million and a half radio receivers in good operating condition.
# History of wireless telegraphy and broadcasting in Australia/Topical/Publications/Australasian Radio World/Issues/1942 05
## P.03 - Contents Banner

The Australasian Radio World
Devoted entirely to Technical Radio
and incorporating the
All-Wave All-World DX News
Vol. 6 - MAY, 1942 - No. 12

## P.03 - Publication Notes

Proprietor, Publisher, Editor - A. G. HULL
Editorial Offices - 117 Reservoir Street, Sydney, Phone M4078 - M4079
Office Hours - Week-days: 9 a.m. - 5 p.m. Not open Saturday morning
Subscription Rates - 6 issues 5/3, 12 issues 10/6, 24 issues £1, Post free to any address
Service Departments - Back Numbers, 6d. ea., post free; Reply-by-mail Queries, 1/- each; Laboratory Service, 2/6 per set
Printed by Bridge Printery Pty. Ltd., 117 Reservoir Street, Sydney, N.S.W., for the proprietor of the "Australasian Radio World," 117 Reservoir St., Sydney (Footnote P.28)

## P.03 - Contents

CONTENTS:
CONSTRUCTIONAL -
Adding A.V.C. to "Little Companion" . . . . 5
TECHNICAL -
Strange Theories and Facts . . . . 6
The Alignment of Modern Receivers . . . . 10
Radio Step By Step (Part 2) . . . . 15
The Triplex Single . . . . 18
SHORT-WAVE SECTION -
Short-Wave Review . . . . 20
New Stations . . . . 21
Loggings of the Month . . . . 22
THE SERVICE PAGES -
Answers . . . . 26

## P.03 - Editorial Notes

Editorial
The recent increases in sales tax on radio parts appear to place most unfortunate load on an industry which is already carrying more than a fair share of the war's unavoidable burdens. The possibility of a long war makes it desirable to think of the rising lads who will be swelling the ranks of the air crews and the signals section in a year or two. Steps are being taken to train them for service in the R.A.A.F. by that most worthy effort, the Air Training Service. Yet, so far as we know, there is nothing being done to encourage youngsters to study the practice of radio communication, in fact they are being discouraged. The heavier sales tax makes it difficult for them to afford to buy the necessary parts with which to experiment. Even so, we can readily imagine what a rush there would be from modern lads if they were given the opportunity to enlist in a radio training corps with permission to build, erect and operate their own transmitting and receiving centres. Even whilst training they could be put to good use for N.E.S. and other emergency work. Yet we hesitate to push the suggestion for already there seems to be enough talking and wrangling; enough man-power spent at the income tax office to put up a good war effort if only directed at some better purpose than struggling for a tupenny-ha'penny refund. And so we appeal to the radio enthusiasts and the radio trade to bear the burden of increased sales tax as best they can, accepting it as part of their war effort.
# History of wireless telegraphy and broadcasting in Australia/Topical/Publications/Australasian Radio World/Issues/1942 06
## P.03 - Contents Banner

The Australasian Radio World
Devoted entirely to Technical Radio
and incorporating the
All-Wave All-World DX News
Vol. 7 - JUNE, 1942 - No. 1

## P.03 - Publication Notes

Proprietor, Publisher, Editor - A. G. HULL
Editorial Offices - 117 Reservoir Street, Sydney, Phone M4078 - M4079
Office Hours - Week-days: 9 a.m. - 5 p.m. Not open Saturday morning
Subscription Rates - 6 issues 5/3, 12 issues 10/6, 24 issues £1, Post free to any address
Service Departments - Back Numbers, 6d. ea., post free; Reply-by-mail Queries, 1/- each; Laboratory Service, 2/6 per set
Printed by Bridge Printery Pty. Ltd., 117 Reservoir Street, Sydney, N.S.W., for the proprietor of the "Australasian Radio World," 117 Reservoir St., Sydney (Footnote P.28)

## P.03 - Contents

CONTENTS:
CONSTRUCTIONAL -
Circuit for a Two-valve Portable Set . . . . 15
Simple Set Testing without Meters . . . . 18
TECHNICAL -
Tone Compensation for Scale Distortion . . . . 5
The Construction and Operation of Meters . . . . 7
A Battery Quiz . . . . 9
Technical Press does a Vital Job . . . . 11
Dealing with the Problem of Instability . . . . 12
A Radio Crossword Puzzle . . . . 14
Radio Step by Step (Part 3) . . . . 16
SHORT-WAVE SECTION -
Short-wave Review . . . . 20
New Stations . . . . 21
Loggings of the Month . . . . 22
THE SERVICE PAGES -
Answers . . . . 26

## P.03 - Editorial Notes

Editorial
There is plenty of important work for every man in Australia who hos any knowledge of technical radio. The spheres of war are now so close that the big bombers come home to roost, often with their radio equipment riddled with bullets. Repairs must be made immediately, as we cannot afford to have any bombers idle. What splendid work for the radio repair man. Not so spectacular, yet mighty important, however, is the maintenance of the modest home receiver. Through it comes the news and the propaganda which forges the national spirit, the will to win and right angle from which to view the set-backs and disasters which a're inevitable, even when winning. If there were no radio broadcasting or newspapers there would be only rumour to spread such news. Yes, every radio receiver in Australia, and there are over a million and a half of them, must be kept in perfect condition, especially since the manufacture of new receivers is restricted. The job of keeping the sets in good operating condition calls for plenty of replacement ports and also o lot of work by those with technical knowledge. Anyone who has this knowledge should not hove a spare moment of time. Every set he con keep in operating condition means that another man is available for reconditioning the transceivers of the big bombers. So we appeal to all our readers; use your technical knowledge now, as it is certain to be either of direct or indirect assistance to the war effort!
# High School Life Science/Protists

A protist is any eukaryotic organism that is not an animal, plant or fungus. The protists do not form a natural group, or clade, but are often grouped together for convenience, like algae or invertebraes. In some systems of biological classifications, such as the popular five – kingdom scheme proposed by Robert Whittaker in 1969, the protists make up a kingdom called Protista, composed of "organisms which are unicellular or unicellular-colonial and which form no tissues.
Most protists are so small that they can be seen only with a microscope. Protists are mostly unicellular (one-celled) eukaryotes. A few protists are multicellular (many-celled) and surprisingly large. For example, kelp is a multicellular protist that can grow to be over 100-meters long.
General Characteristics of Protista
* They are mostly unicellular but some are multicellular and colonial organisms.
* They are either free-living or parasitic.
* They have aerobic mode of respiration and have mitochondria for cellular respiration.
* They are true eukaryotes and are nucleated.
* They have (9+2) arrangement of flagella and have membranous organelles.
* They reproduce both sexually (syngamy) and asexually.
* They are grouped into 3 categories: animal like (protozoa), fungus like, and plant-like.
* According to the categories, they have different modes of nutrition, like heterotrophy or autotropohy.
* Plant-like protists (algae) have chlorophyll and accessory pigments, named xanthophylls, phycobilins, and carotene.
# High School Life Science/Reproduction

Organic compounds they contain of elements hydrogen and oxygen and inorganic compounds they do not contain hydrogen and oxygen , they contain other elements but they do not normally contain carbon and hydrogen together
# High School Life Science/Reproduction and Life Stages

Breathing Feeding Growing Sensing Reproducing Excreting Moving
The seven life processes
# High School Life Science/Studying Life

* The Nature of Science
* The Scientific Method
* Tools of Science
* Safety in Scientific Research
# High School Life Science/Prokaryotes

* Bacteria
* Archaea
# High School Life Science/Protists and Fungi

* Protists
* Fungi
# High School Life Science/Reproductive Systems and Life Stages

* Male Reproductive System
* Female Reproductive System
* Reproduction and Life Stages
* Reproductive System Health
# High School Life Science/Skin, Bones, and Muscles

* Organization of Your Body
* The Integumentary System
* The Skeletal System
* The Muscular System
# High School Life Science/Plants

* Introduction to Plants
* Seedless Plants
* Seed Plants
* Plant Responses
# High School Life Science/Respiratory and Excretory Systems

* The Respiratory System
* Health of the Respiratory System
* The Excretory System
# Final Fantasy/Black Magic/Lightning2

| Color | Black |
| Level | 3 |
| Location | Elfland |
| Price | 1500 G |
| Battle Use | Yes |
| Field Use | No |
Lightning2, like Fire2 and Ice2, is one of the three intermediate elemental spells used by sorcerers to attack their foes. The Lightning2 spell summons a wave of lightning strikes that dance around a large pillar of electrical energy, blasting all unfortunate creatures within close proximity with pure electrical energy and often slaying those who have no resistance to such magic. Lightning is the basic variant of this spell, and Lightning3 is a stronger variant. AntiLit negates most of the potential of any lightning-based spell.
Lightning2 may be cast by:
* Ninja
* Red Mage / Red Wizard
* Black Mage / Black Wizard
Final Fantasy Origins: Bolt2
# Final Fantasy/Black Magic/Hold

| Color | Black |
| Level | 3 |
| Location | Elfland |
| Price | 1500 G |
| Battle Use | Yes |
| Field Use | No |
Hold is Black Magic spell that attempts to paralyze a single enemy and prevent that foe from attacking the caster or his allies. Like all other forms of paralysis, the Hold spell's effect is only temporary and wears off in a short time. Hold is a powerful spell when it takes effect, though it often fizzles.
Fire2 may be cast by:
* Ninja
* Red Mage / Red Wizard
* Black Mage / Black Wizard
# Final Fantasy/Black Magic/Lightning

| Color | Black |
| Level | 1 |
| Location | Coneria |
| Price | 100 G |
| Battle Use | Yes |
| Field Use | No |
Lightning, like Fire and Ice, is one of the three basic elemental spells used by sorcerers to attack their foes. The Lightning spell summons a thunderbolt from the heavens to strike a single enemy, blasting that creature with pure electrical energy and often slaying those who have no resistance to such magic. Lightning2 and Lightning3 are stronger versions of Lightning, though AntiLit negates most of the potential of any lightning-based spell.
Lightning may be cast by:
* Ninja
* Red Mage / Red Wizard
* Black Mage / Black Wizard
Final Fantasy Origins: Bolt
# Final Fantasy/Black Magic/Lock2

| Color | Black |
| Level | 3 |
| Location | Elfland |
| Price | 1500 G |
| Battle Use | Yes |
| Field Use | No |
The Lock2 spell is a rare dweomer that attempts to hold all enemies motionless in their places long enough for them to be attacked with greater accuracy. However, like Lock2's weaker variant, Lock, this spell's effect is often difficult to perceive and Lock2 has often been ridiculed as one of the spells most likely to fizzle. Lock2 does not affect the abilities of enemies to attack the caster or his allies.
Lock2 may be cast by:
* Ninja
* Red Mage / Red Wizard
* Black Mage / Black Wizard
Final Fantasy Origins: Focus2
# Final Fantasy/Black Magic/Fire2

| Color | Black |
| Level | 3 |
| Location | Elfland |
| Price | 1500 G |
| Battle Use | Yes |
| Field Use | No |
Fire2 is a destructive spell that is often regarded as the epitome of black magic. Its casting summons a small meteorite that hits enemies for moderate damage. Weak and mid-level creatures are often consumed entirely by the flames, while stronger enemies take some damage. Fire2 belongs to the elemental sphere of Black Magic, along with its equivalents Lightning2 and Ice2 spells. It is a stronger version of the Fire spell, but is still weaker than Fire3. The Fire2 spell can be protected against through the use of AntiFire.
Fire2 may be cast by:
* Ninja
* Red Mage / Red Wizard
* Black Mage / Black Wizard
# Final Fantasy/Black Magic/Ice

| Color | Black |
| Level | 2 |
| Location | Pravoka |
| Price | 400 G |
| Battle Use | Yes |
| Field Use | No |
Ice is an elemental attack spell, similar to Lightning and Fire. Ice summons into being shards of ice that fling themselves at a single foe. These shards are able to cause damage through their intense coldness as well as their physical damage. There are upgraded forms of the Ice spell, known as Ice2 and Ice3.
Ice can be cast by:
* Ninja
* Red Mage / Red Wizard
* Black Mage / Black Wizard
# Final Fantasy/Black Magic/Ice2

| Color | Black |
| Level | 4 |
| Location | Elfland |
| Price | 4000 G |
| Battle Use | Yes |
| Field Use | No |
Ice2 is an elemental attack spell, similar to Lightning2 and Fire2. Ice2 summons into being a solid sheet of ice that shatters into many shards, striking nearby enemies. These shards are able to cause damage through their intense coldness as well as their physical damage. Ice2 is an upgraded form of the Ice spell, with a further upgrade being available and known as Ice3.
Ice2 can be cast by:
* Ninja
* Red Mage / Red Wizard
* Black Mage / Black Wizard
# Final Fantasy/Black Magic/Lock

| Color | Black |
| Level | 1 |
| Location | Coneria |
| Price | 100 G |
| Battle Use | Yes |
| Field Use | No |
The Lock spell is a rare dweomer that attempts to hold an enemy in one place long enough for it to be attacked with greater accuracy. However, its effect is often difficult to perceive and Lock has often been ridiculed as one of the spells most likely to fizzle. Even Lock2, the stronger version, is subject to these complaints. Lock does not affect the ability of the enemy to attack the caster or his allies.
According to many experienced Final Fantasy players, Lock has no actual effect on gameplay.
Lock may be cast by:
* Ninja
* Red Mage / Red Wizard
* Black Mage / Black Wizard
Final Fantasy Origins: Focus
# Final Fantasy/Black Magic/Fire

| Color | Black |
| Level | 1 |
| Location | Coneria |
| Price | 100 G |
| Battle Use | Yes |
| Field Use | No |
Fire is a destructive spell that is often regarded as the epitome of black magic. Its casting conjures magical flames that burn a foe of the caster. Weak creatures are often consumed entirely by the flames, while stronger enemies take only slight damage. Fire belongs to the elemental sphere of black magic, along with the Lightning and Ice spells. There are two stronger versions of the Fire spell, Fire2 and Fire3. The Fire spell can be protected against through the use of AntiFire.
Under normal conditions, Fire does 10-40 points of damage to a single enemy. It works better against ice-based and undead monsters and worse against fire-based and reptilian monsters.
Fire may be cast by:
* Ninja
* Red Mage / Red Wizard
* Black Mage / Black Wizard
# Final Fantasy/Black Magic/Sleep

| Color | Black |
| Level | 1 |
| Location | Coneria |
| Price | 100 G |
| Battle Use | Yes |
| Field Use | No |
Sleep is a low power black enchantment that attempts to force enemies' consciousnesses to shut down, causing the status effect Sleep. Though it has a very useful effect, there are a number of drawbacks to the use of Sleep. It is exceedingly difficult to control, and though any or all foes might be affected, more often the spell is unable to shut down any minds (the advanced version, Sleep2, is an attempt to remedy this). The sleep is not a deep one; attacks or a good shaking after a battle often wake up afflicted foes. Finally, Sleep does not directly damage foes.
Sleep may be cast by:
* Ninja
* Red Mage / Red Wizard
* Black Mage / Black Wizard
# History of wireless telegraphy and broadcasting in Australia/Topical/Publications/Australasian Radio World/Issues/1945 08
## P.03 - Contents Banner

THE AUSTRALASIAN RADIO WORLD
Devoted entirely to Technical Radio
and incorporating
ALL-WAVE ALL-WORLD DX NEWS
VOL. 10 - AUGUST, 1945 - No. 3

## P.03 - Publication Notes

PROPRIETOR — A. G. HULL
Manager - DUDLEY L. WALTER
Secretary - Miss E. M. VINCENT
Short-wave Editor — L. J. KEAST
For all Correspondence: City Office — 243 Elizabeth St., Sydney, Phone: MA2325
Office Hours — Weekdays: 10 a.m.-5 p.m. Saturdays: 10 a.m.-12 noon
Editorial Office — 117 Reservoir Street, Sydney
Victorian Advertising Representative — W. J. LEWIS, 20 Queen St., Melbourne, C1 'Phone MU5154
Subscription Rates: 6 issues - 5/3; 12 issues - 10/6; 24 issues - £1; Post free to any address.
Service Departments — Back Numbers, 1 /- ea. post free; Reply-by-mail Queries, 1/- each
Printed by Bridge Printery Pty. Ltd., 117 Reservoir Street, Sydney, N.S.W., for the proprietor of the "Australasian Radio World," Elizabeth St., Sydney (Footnote P.36)

## P.03 - Contents

CONTENTS
CONSTRUCTIONAL —
Making Paper Condensers . . . . 11
Small Hints for Big Effects . . . . 15
TECHNICAL —
Radio for Model Planes . . . . 5
Eliminating Hum . . . . 6
Trade With America . . . . 7
A Short Course in Radio Fundamentals . . . . 18
Decibel — a Logarithmic Function . . . . 22
The Theory Behind Proper Amplifier Design . . . . 26
SHORTWAVE REVIEW —
Notes From My Diary . . . . 30
New Stations . . . . 32
Loggings . . . . 32
THE SERVICE PAGES —
The Service Pages . . . . 34

## P.03 - Editorial

EDITORIAL.
It is unfortunate that censorship has made it necessary to suppress the telling of the wonderful tale of what radio and radar have done to ensure victory, to save lives and to make the winning of the war so much more pleasant than would otherwise have been the case. I recently encountered (and I don’t mean met) a National Service Officer who really thought that the only use for radio in the forward areas was to provide the troops with light entertainment! There was a man who held the destiny of hundreds in the palm of his hand, yet knew nothing of the achievements of electronics. Needless to add, when I left him he had an impression that there was something more to radio than horror serials. I hope that I did not reveal any of the "Confidential" and "Top Secret" angles on the latest methods of gun aiming, shell velocity measuring, and so on. I feel that it is the duty of every one of our readers to do what he can to spread the gospel about radio and radar, even if he can only go as far as to tell what has already been released in our recent articles on radar and the vital part it played in the Battle of Britain. There is so much about radio that is not worthy. Many of the abuses of broadcasting must make the radio pioneers squirm in their graves, but at least radio's part in the fight for freedom is something worth while for the poets to write about. Let’s all do our part and make the most of it. It is a fine topic for conversation with your friends and customers. A. G. HULL.
# History of wireless telegraphy and broadcasting in Australia/Topical/Publications/Australasian Radio World/Issues/1945 02
## P.03 - Contents Banner

THE AUSTRALASIAN RADIO WORLD
Devoted entirely to Technical Radio
and incorporating
ALL-WAVE ALL-WORLD DX NEWS
VOL. 9. - FEBRUARY, 1945. - No. 9.

## P.03 - Publication Notes

PROPRIETOR — A. G. HULL
Manager - DUDLEY L. WALTER
Secretary - Miss E. M. VINCENT
Short-wave Editor — L. J. KEAST
For all Correspondence: City Office — 243 Elizabeth St., Sydney, Phone: MA2325
Office Hours — Weekdays: 10 a.m.-5 p.m. Saturdays: 10 a.m.-12 noon
Editorial Office — 117 Reservoir Street, Sydney
Victorian Advertising Representative — W. J. LEWIS, 379 Collins St., Melbourne, 'Phone MU4725
Subscription Rates: 6 issues - 5/3; 12 issues - 10/6; 24 issues - £1; Post free to any address.
Service Departments — Back Numbers, 1 /- ea. post free; Reply-by-mail Queries, 1/- each
Printed by Bridge Printery Pty. Ltd., 117 Reservoir Street, Sydney, N.S.W., for the proprietor of the "Australasian Radio World," Elizabeth St., Sydney (Footnote P.36)

## P.03 - Contents

CONTENTS
CONSTRUCTIONAL —
An Alternating Design . . . . 5
Make Your Own Selenium Cell . . . . 17
TECHNICAL —
Square Wave Testing . . . . 11
Aesthetics of Reproduction . . . . 14
Filing Your Resistances . . . . 15
A Short Course in Radio Fundamentals . . . . 20
Voltage Doubling . . . . 25
The Miller Effect . . . . 27
SHORTWAVE REVIEW —
Notes From My Diary . . . . 30
New Stations . . . . 31
Loggings . . . . 32
THE SERVICE PAGES —
Answers . . . . 34

## P.03 - Editorial

EDITORIAL.
Great interest will be aroused by the announcement in this issue that John Straede is to organise an amplifier contest of his own. Mr. Straede must fully appreciate the problems associated with such an undertaking, but is not deterred. He is buzzing around in his little car in search of advice about the many difficulties which may arise, hoping to nip them in the bud. In order to avoid disputes about the judging it is intended to have the decision reached by the audience as well as by competent judges who are not connected with the radio trade or with prize donors. Six major factors are to be taken into consideration in the judging: (1) volume; (2) freedom from distortion; (3) fidelity; (4) portability and flexibility; (5) accessibility and reliability; (6) cost of building. It is hoped to run a linearity curve for each amplifier submitted, also a frequency response curve, and to measure power output at actual grid current point. Every amplifier enthusiast will agree that the objects aimed at by Mr. Straede are indeed worthy, but many will have doubts about the ability of any single human being to handle the detail work involved in conducting such a contest with a representative entry of from fifty to a hundred amplifiers. To Mr. Straede we extend our best wishes for success to his ambitious proposal, but we hope that he will not be unhappy if, in spite of all precautions, the contest fails to settle the many debatable points about amplifier design and performance.