Index to Volume 72, 1999 ************************ Antennas Issue Page A simple and effective ground-plane for a multi-band vertical antenna May/June 7 The skeleton slot VHF antenna revisited Jul/Aug 4 Twinline directional coupler for 1.5 MHz to 55MHz Jan/Feb 11 Book reviews Aerials III May/Jun 7 Ladder Crystal Filters Nov/Dec 17 Pioneers of Radar Nov/Dec 17 Secret Radio: the Archie Caswell story Sep/Oct 37 The NEW Shortwave Propagation Handbook Jan/Feb 7 General 73s ZL-Again. Another winter's stroll: the length of the North Island, Part 1 Jul/Aug 7 73s ZL-Again. Another winter's stroll: the length of the North Island, Part 2 Nov/Dec 8 Amateur radio International Lighthouse Weekend, Part 1 Sep/Oct 6 Amateur radio International Lighthouse Weekend, Part 2 Nov/Dec 14 IARU: Encouraging Amateur Radio in Vietnam May/Jun 24 IARU: New Zealand Amateur ZL2AMJ recognized Nov/Dec 4 Space problems in the computer corner (constructional) Nov/Dec 27 The Quartz Hill story Nov/Dec 10 XR3J-Radio-active in Chile May/Jun 4 ZL2AMJ honoured by Norwegian Radio Relay League Nov/Dec 4 ZL9CI-DXpedition to Campbell Island Mar/Apr 4 NZART 1999-2000 Election results Jan/Feb 31 1999 National Conference agenda Mar/Apr 10 A letter from the Treasurer May/Jun 3 Annual Reports for 1998 Mar/Apr 10 Canterbury Conference '99 report Jul/Aug 10 Local Government Liaison Officer Sep/Oct 12 Minutes of NZART AGM 1999 Jul/Aug 12 Radioscience Education Trust Jan/Feb 22 Radioscience Education Trust May/Jun 6 Radioscience Education Trust: 1999 Science & Technology Fairs prizewinners Sep/Oct 11 Radioscience Education Trust: 1999 Science & Technology Fairs prizewinners Nov/Dec 16 The new amateur radio examination system Nov/Dec 4 The new millennium brings best wishes from NZART HQ Nov/Dec 3 YL2000 Jul/Aug 12 ZL2AMJ honoured by the Norwegian Radio Relay League Nov/Dec 4 Product reviews MFJ-310 HT antenna window mount Jan/Feb 12 Software Review: AMSAT-ZL Satellite Compendium May/Jun 17 Technical, Constructional A sensitive field strength meter Jan/Feb 10 A simple 555 oscillator Mar/Apr 9 Additional frequencies for the ALIVO transceiver May/Jun 8 ALIVO 2, more fun with the 80 m QRP transceiver Nov/Dec 5 An audio-derived AGC system using the TL084 op-amp Sep/Oct 4 Better audio for your mobile May/Jun 9 Design of power transformers Nov/Dec 7 Improved VFO Sep/Oct 14 New life for the Yaesu FT-200 Nov/Dec 13 New life for your FT-101 Jan/Feb 5 Solid-state valve replacements May/Jun 4 Synthesize your wave Jul/Aug 14 Twinline directional coupler for 1.5 MHz to 55 MHz Jan/Feb 11 Technical, General Amateur radio at the crossroads: coming of age Jul/Aug 10 Lyle Johnson WA7GXD's Keynote Address Band planning Jul/Aug 14 Hellschreiber: Part IV Frequency domain Jan/Feb 6 High power VHF beacons Sep/Oct 8 Leonids: meteor shower Jul/Aug 36 Low cost, high quality digital multimeters: a review Jan/Feb 8 New RF levels Standard for New Zealand May/Jun 6 New software and websites Sep/Oct 30 Optocouplers: new light on some old problems Mar/Apr 8 Slow Scan TV: pictures on the ham bands May/Jun 10 Last Updated on 10/12/99 By Dexter N. Muir Email: dexy@ihug.co.nz