| Call-Book | Jan | |
| ANTENNAS | Issue | Page |
| The Diversity Quad | Feb | 8 |
| A New Driven Array (3MH Beam) | May | 13 |
| A New Driven Array (3MH Beam) | Jul | 15 |
| A New Driven Array (3MH Beam) | Sep | 5 |
| A New Driven Array (3MH Beam) | Dec | 13 |
| A.E.R.0. REPORTS | ||
| Balclutha Flooding | Feb | 16 |
| Motor-car Race at Wigram | Mar | 22 |
| Assistance at Speedboat Races (Wairarapa) | May | 10 |
| Manawatu Floods | Nov | 12 |
| AUDIO EQUIPMENT | ||
| Low Power 807 Amplifier | Jul | 13 |
| Simple Audio Amplifier | Aug | 16 |
| AWARDS | ||
| W.A.P. | Apr | 12 |
| R.S.G.B. Certificates | Jul | 39 |
| East Africa Awards | Nov | 13 |
| BEAM DESCRIPTIONS | ||
| ZL2AI | Jun | 12 |
| ZL3BR | Dec | 9 |
| CONVENTIONS AND BEANOS | ||
| South Canterbury Beano (48) | Feb | 9 |
| Remits For Conference | Mar | 14 |
| West Coast Beano | May | 15 |
| Convention Report | Jul | 9 |
| CONTESTS | ||
| B.E.R.U. Contest | Feb | 10 |
| Memorial Contest (48) Results1 | Mar | 8 |
| Trans-Tasman Contest | May | 12 |
| Trans-Tasman Contest (Results) | Aug | 9 |
| Sangster Shield Contest | Aug | 14 |
| Sangster Shield Contest (Results) | Nov | 15 |
| VK-ZL Contest 1948 Results | Sep | 13 |
| VK-ZL International Contest 1949 | Oct | 14 |
| Contest "Tiki" | Oct | 33 |
| Indian International DX Contest | Nov | 18 |
| Memorial Contest 1949 | Nov | 21 |
| FEATURES, FICTION AND MISCELLANEOUS | ||
| Wellington Branch Picnic | Mar | 22 |
| A.O.P.C. Examination Papers | Mar | 26 |
| A.O.P.C. Examination Papers | Oct | 18 |
| A.O.P.C. Examination Papers (Answers) | Apr | 22 |
| A.O.P.C. Examination Papers (Answers) | Nov | 16 |
| Tbe Why of Odd Resistor Values | Mar | 32 |
| Applying the Decibel | Apr | 5 |
| Handy Resistor Wattage Table | May | 27 |
| General Report | Jun | 13 |
| Council Deliberations | Jul | 18 |
| Council Deliberations | Oct | 9 |
| It Wouldn't Do for the Duke, Sir | Jul | 22 |
| Gisborne Memorial Trophy | Jul | 27 |
| Rotton Phones | Aug | 7 |
| A Radio Holiday | Sep | 12 |
| Beam Rotation Angle | Nov | 7 |
| New Triode for Centimetres | Dec | 15 |
| FREQUENCY MODULATION | ||
| Low Frequency Narrow Band FM on 80 Metres | Dec | 5 |
| KEYING | ||
| Absorber Keying | Aug | 12 |
| MEASUREMENTS, MONITORING AND TEST | ||
| A Junk Box Scope | Feb | 4 |
| Wobulating Simplified | Apr | 9 |
| Absorption Frequency Meters | Sep | 9 |
| CW and Telephony Monitor | Sep | 24 |
| Eyes for your Receiver | Oct | 5 |
| Simple Modulation Monitor | Nov | 9 |
| Standing Wavemeter for 300 ohm Ribbon | Dec | 10 |
| MODULATOR DESIGN, CONSTRUCTION | ||
| Taylor Super Modulation "TSM" | May | 5 |
| OBITUARY | ||
| ZL1CB | Feb | 13 |
| ZL2JY | Aug | 11 |
| POWER SUPPLY | ||
| A New CRT Power Supply | Mar | 11 |
| Niams Voltage Regulation | Apr | 13 |
| Self Regulating Grid Bias | Jun | 27 |
| PROPAGATION, RADIATION AND RESEARCH | ||
| Report on Amateur Co-operation in Radio Research | Mar | 8 |
| QTH's | ||
| ZL | Feb | 24 |
| ZL | Apr | 26 |
| ZL | Jun | 24 |
| ZL | Aug | 17 |
| ZL | Oct | 27 |
| Cook Islands | May | 36 |
| RECEIVER DESIGN, CONSTRUCTION AND ADJUSTMENT | ||
| A 7 mc Xtal locked Double Conversion Super | Mar | 5 |
| Single Sideband Reception | Jun | 3 |
| Ten Metre Convertor | Aug | 5 |
| Adapting the ZB Homing Adapter to Six Metres | Sep | 3 |
| ARC5 Receiver Modifications | Oct | 8 |
| A ReliabJe 8 Tube Receiver | Nov | 5 |
| STATION DESCRIPTIONS | ||
| ZL1CH | Feb | 7 |
| ZL1FB | Mar | 19 |
| ZL3LR | May | 9 |
| ZL4AU | Aug | 10 |
| ZL4GA | Sep | 7 |
| ZL2GG | Oct | 12 |
| TRANSMITTER DESIGN, CONSTRUCTION AND ADJUSTMENT | ||
| Designing a VHF Transmitter | Feb | 11 |
| Six Metre Transmitter | May | 7 |
| A 6K8 Transmitter | Jun | 15 |
| A Deluxe VFO Unit for 20 Metres | Jul | 5 |
| Grid Modulated Amplifier | Sep | 16 |
| Transmitter Control | Oct | 10 |
| Index to Volume 23, 1950 | ||
| Call-Book | Jan | |
| GENERAL | Issue | Page |
| Radio Clubs - Making Them Work, byW9EGQ | Feb | 5 |
| About This Propagation Business, by ZL2TD | Feb | 9 |
| Brief Encounter, by ZL2GG | Feb | 14 |
| Great Circle Bearings | Mar | 13 |
| Of, By and For the Amateur | Mar | 15 |
| Examination for Amateur Operators' Certificate | Mar | 17 |
| Answers to Amateur Exam Questions | Apr | 27 |
| ANSWERING THE BEGINNERS' QUESTION, "CW or Phone?" | May | 9 |
| STATION DESCRIPTION, ZL4IO | May | 11 |
| SO NOW YOU'RE A HAM, by "Keyclick" | Jul | 7 |
| ONE HAM'S WAR | Jul | 15 |
| A XTAL CONTROLLED EXCITER OR LOW POWER TRANSMITTER by W. A. Scarr, G2WS | Aug | 5 |
| FUTURE HAMIC, by K. A. Slobb, W9YMZ | Aug | 11 |
| HAMMING AS OTHERS SEE US OR MUCH ADO ABOUT NOTHING by "Arjee" | Aug | 15 |
| THE LURE OF LISTENING | Oct | 14 |
| STATION DESCRIPTION | Oct | 15 |
| IN REMINISCENT MOOD (ZL2GG) | Oct | 24 |
| HELP THOSE THAT HELP YOU | Oct | 27 |
| STANDARD FREQUENCY TRANSMISSIONS | Oct | 35 |
| STOP PRESS | Oct | 40 |
| SILENT KEY (MR W. M. HALL) | Nov | 4 |
| SEPTEMBER QUESTIONS | Nov | 39 |
| OUR OWN CLUBROOMS | Dec | 3 |
| HAM ABSTRACTS | Dec | 17 |
| TECHNICAL | ||
| Another System of a Simple Speech Clipper, by VK3FO | Feb | 16 |
| Measuring Components, by ZL1UY | Feb | 18 |
| A Miniature Phone Transmitter | Mar | 5 |
| Plug In Exciters from "Command" Transmitters By W9UIIF and W9ZHL | Apr | 5 |
| ALL BAND VFO, by J. B. Cormack, ZL2CP | May | 3 |
| SIMPLE SUPERMODULATION, by R. 0. Chatfield, ZLJVL | May | 4 |
| BROADCAST CONVERTER, by ZL4KE | May | 26 |
| REDUCING SPLATTER, by W6DHG | Jun | 5 |
| 6 METRES "THE LINE OF SIGHT BAND", by W. R. Homer, ZL2BJ | Jun | 8 |
| WEATHER WISE RADIO OPERATION, by R. S. L. Cole, ZL2TD | Jun | 11 |
| PORTABLE ON 6 METRES, by ZL1MQ | Jun | 15 |
| FREQUENCY STANDARD | Jul | 3 |
| AN S-METER FOR THE ZC1, by W. Adams, ZL2ALA | Jul | 22 |
| AN ECONOMICAL POWER SUPPLY, by D. McWha, ZL2LN | Aug | 20 |
| USE THAT CRT, by C. E. C. Hopkins | Sep | 5 |
| SOME MORE NOTES ON THE "3MH" BEAM by G. H. Pritchard, ZL3MH | Sep | 14 |
| RELAX MEN I USE HAYWIRE, by W6DTY | Sep | 17 |
| POWER SUPPLY VOLTAGE REGULATION FOR CW by C. A. Wright, ZL1CI | Sep | 19 |
| CRYSTAL FILTER RESULTS WITH IF REGENERATION, by R. W. Culpitt | Sep | 25 |
| KEYING WITHOUT CLICKS, by ZL2CP | Sep | 26 |
| SOME FURTHER NOTES ON CLAPP OSCILLATORS, by ZL2CP | Sep | 27 |
| QRG EHOA? (TAIHOA) | Oct | 5 |
| A SWINGING TOWER (ZL3AZ) | Oct | 11 |
| A CONSTANT MODULATION SYSTEM (W8YHR) | Oct | 17 |
| POWER FROM 6.3 VOLTS AC (ZL3JW/ZLBLL) | Oct | 29 |
| AN ACCESSORY FOR CW RECEPTION (WIDF) | Nov | 18 |
| THE SELECTOJECT (W6QYT-W6VQL) | Nov | 29 |
| A GRID DIP OSCILLATOR | Dec | 22 |
| THE VERSATILE FRANKLIN -ZL2ACV | Dec | 26 |
| DX | ||
| Ionosphere Predictions | Feb | 20 |
| Ionosphere Predictions | Mar | 23 |
| Ionosphere Predictions | May | 22 |
| Ionosphere Predictions | Nov | 8 |
| CONTESTS AND AWARDS | ||
| Canterbury Centennial DX Contest | Feb | 15 |
| Memorial (1949) Contest Results | Apr | 26 |
| TRANS-TASMAN CONTEST 1950 | May | 12 |
| SANGSTER SHIELD CONTEST, 1950 | May | 13 |
| RESULTS OF CANTERBURY CENTENNIAL DX CONTEST | May | 32 |
| WORKED ALL AMERICA AWARD | Jun | 20 |
| WORKED ALL DISTRICTS (ZL) AWARD | Jun | 21 |
| OPERATING and DX AWARDS | Jun | 32 |
| VK/ZL INTERNATIONAL DX CONTEST 1950 | Jul | 10 |
| HOW I WON THE 1950 TRANS-TASMAN CONTEST by ZL2GG | Jul | 12 |
| TIKI CONTEST | Jul | 25 |
| MEMORIAL CONTEST, 1950 | Sep | 10 |
| 1950 SANGSTER SHIELD RESULTS | Sep | 15 |
| CONTEST CALENDAR | Oct | 21 |
| DX CONTEST (4th ALL EUROPEAN) | Nov | 16 |
| The Contest Manager Speaks (ZL2GX) | Oct | 22 |
| The Contest Manager Speaks (ZL2GX) | Nov | 13 |
| The Contest Manager Speaks | Dec | 30 |
| NZART | ||
| Council Deliberations and Finances | Feb | 10 |
| N.Z.A.R.T's. Art Union | Feb | 12 |
| The Secretary Says | Feb | 17 |
| Nominations for Councillors | Mar | 9 |
| Councillors' Biographies | Mar | 10 |
| Annual General Meeting and Reports | Apr | 9 |
| Balance Sheets | Apr | 12 |
| Nomination for Councillors | Apr | 16 |
| Remits | Apr | 17 |
| Convention Programme | Apr | 25 |
| The Secretary Says | Apr | 40 |
| The Secretary Says | May | 15 |
| The Secretary Says | Aug | 13 |
| The Secretary Says | Dec | 11 |
| COUNCIL DELIBERATIONS | May | 7 |
| EXTRA REMITS FOR 1950 CONVENTION | May | 8 |
| 1950 CONVENTION REPORT | Aug | 8 |
| REPORT ON THE ART UNION | Aug | 17 |
| BRANCH SECRETARIES | Aug | 39 |
| BRANCH SECRETARIES | Sep | 35 |
| ART UNION RESULTS | Jul | 9 |
| AREC | ||
| Wairarapa Section Active in Tararua Search | Mar | 7 |
| British Empire Games AREC | Apr | 7 |
| AREC AND PUBLIC RELATIONS | Jul | 19 |
| AREC-GISBORNE FLOODS | Aug | 15 |