Page 27 May June 2014 TCA
P. 27
This book is intended for people already skilled in circuit design.
PSpice software, derived from the long-established SPICE INTERNATIONAL MUSEUMS WEEKEND
program developed in the 1980s in Fortran, is now promoted by The International Museums Weekend
Cadence Design Systems in two forms, Cadence SPB and OrCAD. is an annual event in which museums
Demo versions are available from http://www.cadence.com/ from all over the world participate
products/orcad/pages/downloads.aspx that can be used to in two weekends of special event
explore the examples in the book. Some modeling fles are also operation on the Amateur Radio
available from http://www.arrl.org/circuit-simulation.
bands.
The book is essentially tutorial, with complete exploration of This year the event will take place on
principles of design, simulation and testing, and hundreds of the weekends of June 15-16 and June
illustrations. It is not a guide for the construction of circuits for 21-22. Over 270 different museums have participated over
specifc projects. The reader needs at least the demo software the years.
handy to follow along with a study of the book.
For the purposes of the event, the word “museum” is
ARRL #0055, US$27.95.
loosely interpreted and they have included ships, castles,
A HISTORY OF QST VOLUME 1: air museums, Napoleonic forts, pumping stations, wireless
AMATEUR RADIO TECHNOLOGY museums, racing museums and many others.
Edited by N0AX and published as part of the celebration of the There really is no shortage of venues in which such an event
100th year of the ARRL, this is a selection of keynote articles can be staged, no matter where in the world you might live.
from QST and other ARRL publications, each illustrating This could be a good opportunity to promote Amateur Radio
important advances of the state of the art, decade by decade, to the public at large and to provide some live exhibits at
from spark through to the present day. local museums.
Each article is preceded by an introduction explaining its Online registration is free and full details can be found at:
signifcance and relevance. The material is sorted into categories http://www.museumsonair.org/IMW/index.htm
– circuits, propagation, antennas, receivers etc – and beautifully
printed from original plates. For example, Beverage’s original
description of the “Wave Antenna” and Lamb’s article What a wonderful idea this is for oldtimers and newcomers alike.
introducing the famous Single-Signal flter that became a central A perfect coffee-table book and conversation piece.
feature of the HRO are here in their full glory, not as
photocopies. A must for the history buff. ARRL #0003, US$34.95 ARRL #0048, US$34.95
A HISTORY OF QST VOLUME 2: ADVERTISING 2014 ARRL COMMEMORATIVE CALENDAR
Edited by K9OCO, a companion volume to the one on Technology, As you might expect, this year’s calendar is heavily historical,
this is a nostalgic look at the equipment, activities and interests laced with photos of personalities, stations and gear from 1830
of our hobby, seen through the medium of advertisement pages to 2014.
of each decade of the frst 100 years of QST.
Each month has also notes on noteworthy things that happened
Each chapter is introduced with editorial that summarizes the during that month over the years, and a reminder of events
essence of the decade covered, with relevant notes and scheduled for this year. At the end, the usual summary of
bibliographies pertaining to the period. Superb illustrations of member services is offered by the League.
individual models and the interesting and sometimes amusing ARRL #0062, US$12.95
hyperbole that often graced the ads in the early days.
How about this natural loudspeaker horn? One of the ads from
Volume 2. DARF IS THE DEFENCE OF AMATEUR RADIO FUND
It is a Trust Fund established in the early 90s by
the Canadian Radio Relay League to provide
fnancial support for research, and to defray
travel expenses of a delegate to World Radio
Conferences to defend the Amateur Radio bands.
The Fund is maintained by Donations from individual
Canadian Amateurs and from Canadian Amateur Radio Clubs.
Donations are deposited in the trust fund account and the fund
is administered by the three DARF Trustees.
The trust is entirely separate from, and cannot be used for,
RAC fnancial transactions. Donations may be made by
cheque only. Cheques should be made out to “The Defence of
Amateur Radio Fund” and may be sent by mail to:
“Defence of Amateur Radio Fund”, 720 Belfast Road, Suite
217, Ottawa K1G 0Z5
Visit
25