Avionics News May 2013 - 63
the airplane, thus making crosswind corrections easy, the VOR
became very popular and is still in use today.
While general aviation and airline pilots were getting used to
VOR and ADF, the U.S. military was developing a system that
would give bearing and distance information at the same time.
Tactical navigation was developed in the 1950s. TACAN combines radar technology with a form of reverse RDF technology
to provide pilots with both distance and bearing information.
TACAN has a logistical advantage of being relatively compact. Stations could be mounted on a truck or even in another
aircraft.
In the civilian world, DMEs were developed to use the
distance feature of TACAN systems, which were located at
many federal VOR sites. In the final decade before the birth
of the AEA, general aviation pilots could use VOR for bearing
and DME for distance. Our aircraft were now rivaling airline
or military aircraft for avionics. DME proved popular enough
for the government to install DME transponders at many VOR
sights where TACAN stations did not exist.
Honeywell
BENDIX/KING
Technology
For most of the pre-AEA years, avionics technology was based
on the vacuum tube, which required high voltages. To get the high
voltages, aircraft used motor generators or vibrators. In the final
decade before the AEA, the transistor came into use. Invented as
a point-contact device in 1947, by 1963, the device had found its
way into switching power supplies and into various other places
within avionics equipment. A revolution was at hand.
One effect of the revolution was to reduce the number of crew
members necessary to fly an aircraft. Early avionics were large,
complex and required an operator. After World War II, avionics
became smaller, consuming less power. Although the electronics
were even more complex on the inside, the technology allowed
operation to become simple. By the time the AEA was founded,
radiomen as part of an air crew were largely a thing of the past.
Avionics operation had become simple, and pilots could use them
without the help of an additional crew member.
Stay tuned to future issues of Avionics News to read more about
the more recent history of avionics. q
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avionics news
•
may
2013
63
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Avionics News May 2013
Table of Contents for the Digital Edition of Avionics News May 2013
Point of Communication
AEA now
The View from Washington
International News and Regulatory Updates
Beltway Briefing
Power Redundancy in the Age of Digital Cockpits
Member Profile
Capital Quest
Avionics News Through the Years
Equipping for International Operations
A Conversation With...
Member Profile
What is Australia Waiting For?
AEAviators
Going Global
Business Basics
The History of Avionics
Meet the AEA Board of Directors
A Real-Time Look at Airborne Weather Radar
Aviation Aces
Legal Ease
What's New
Marketplace Classifieds
Avionics News May 2013 - Intro
Avionics News May 2013 - Cover1
Avionics News May 2013 - Cover2
Avionics News May 2013 - 1
Avionics News May 2013 - 2
Avionics News May 2013 - 3
Avionics News May 2013 - Point of Communication
Avionics News May 2013 - 5
Avionics News May 2013 - AEA now
Avionics News May 2013 - 7
Avionics News May 2013 - 8
Avionics News May 2013 - 9
Avionics News May 2013 - 10
Avionics News May 2013 - 11
Avionics News May 2013 - 12
Avionics News May 2013 - 13
Avionics News May 2013 - The View from Washington
Avionics News May 2013 - 15
Avionics News May 2013 - International News and Regulatory Updates
Avionics News May 2013 - 17
Avionics News May 2013 - 18
Avionics News May 2013 - Beltway Briefing
Avionics News May 2013 - Power Redundancy in the Age of Digital Cockpits
Avionics News May 2013 - 21
Avionics News May 2013 - 22
Avionics News May 2013 - 23
Avionics News May 2013 - Member Profile
Avionics News May 2013 - 25
Avionics News May 2013 - 26
Avionics News May 2013 - 27
Avionics News May 2013 - Capital Quest
Avionics News May 2013 - 29
Avionics News May 2013 - 30
Avionics News May 2013 - 31
Avionics News May 2013 - Avionics News Through the Years
Avionics News May 2013 - 33
Avionics News May 2013 - Equipping for International Operations
Avionics News May 2013 - 35
Avionics News May 2013 - 36
Avionics News May 2013 - 37
Avionics News May 2013 - 38
Avionics News May 2013 - 39
Avionics News May 2013 - A Conversation With...
Avionics News May 2013 - 41
Avionics News May 2013 - Member Profile
Avionics News May 2013 - 43
Avionics News May 2013 - 44
Avionics News May 2013 - 45
Avionics News May 2013 - What is Australia Waiting For?
Avionics News May 2013 - 47
Avionics News May 2013 - 48
Avionics News May 2013 - 49
Avionics News May 2013 - AEAviators
Avionics News May 2013 - 51
Avionics News May 2013 - Going Global
Avionics News May 2013 - 53
Avionics News May 2013 - 54
Avionics News May 2013 - 55
Avionics News May 2013 - Business Basics
Avionics News May 2013 - 57
Avionics News May 2013 - 58
Avionics News May 2013 - 59
Avionics News May 2013 - The History of Avionics
Avionics News May 2013 - 61
Avionics News May 2013 - 62
Avionics News May 2013 - 63
Avionics News May 2013 - Meet the AEA Board of Directors
Avionics News May 2013 - 65
Avionics News May 2013 - 66
Avionics News May 2013 - 67
Avionics News May 2013 - A Real-Time Look at Airborne Weather Radar
Avionics News May 2013 - 69
Avionics News May 2013 - 70
Avionics News May 2013 - 71
Avionics News May 2013 - 72
Avionics News May 2013 - 73
Avionics News May 2013 - Aviation Aces
Avionics News May 2013 - 75
Avionics News May 2013 - Legal Ease
Avionics News May 2013 - 77
Avionics News May 2013 - What's New
Avionics News May 2013 - 79
Avionics News May 2013 - 80
Avionics News May 2013 - 81
Avionics News May 2013 - Marketplace Classifieds
Avionics News May 2013 - 83
Avionics News May 2013 - 84
Avionics News May 2013 - Cover3
Avionics News May 2013 - Cover4
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