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Tuesday, January 27, 2015

Apollo 1 (Apollo 204) - January 27, 1967

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I happened to tour Launch Complex 34 a few days ago, today being the 48th anniversary of the catastrophe.  While only 8 years old when ...
Friday, January 23, 2015

Ku-band Return Channel Maximum PSD

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Summary for Fixed 30x30 Rectangular and Circular plus Gimbaled 34x7
Tuesday, January 20, 2015

Ka-band Return Channel Maximum PSD

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Summary for Fixed 24"x24" Square and Circular ESA plus Gimbaled 30x6 Horn Array
Monday, January 5, 2015

Return Channel Link Budget

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Monday, December 22, 2014

CPDLC - Connecting 40% of the pilots to 70% of the controllers

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I read this article from Woodrow Bellamy, Avionics Magazine, updating status of CPDLC programs and professing voice congestion was a growing...
Wednesday, December 17, 2014

Forward Channel Downlink Regulations

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Monday, November 24, 2014

Forward Channel Considerations

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Wednesday, November 5, 2014

Transponder Downlink dBW Contours

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Wednesday, October 15, 2014

Link Budget Background, Definitions, and Assumptions

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Friday, October 10, 2014

When "Black and White" is better than a Rainbow

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Flying home from a committee meeting where we discussed miswiring, I look up and find that the no-smoking and seat-belt wiring are revers...
Thursday, October 9, 2014

In-Flight Telemetry

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Is it technically feasible for a flight data acquisition unit parametric feed, normally directed to the crash-survivable digital fli...
Sunday, September 28, 2014

I hate it when my free Internet doesn't work?

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Are people more frustrated and vocal with the experience they pay for?

ACARS needs to embrace modern data links using IP

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If only ACARS could look beyond VHF and L-Band

The popularity of a product is somewhat related to its price, where free is in its own universe

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Norwegian Air, which gives away Internet access that cannot fulfill but a few with unlimited desires, much less everyone's, is in fa...
Wednesday, February 19, 2014

FANS-1 ACARS and Satcom must pass Airplane Equipment Interoperability Test (AEIT) (1995)

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Boeing sold production and retrofit commitments to install and certify FANS-1 functionality without regard to specific ACARS and SATCOM part...

Airplane Personality Module

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I presented opposition to the Airplane Personality Module, for reasons stated in this paper. Airplane Personality Module (1996) The deci...
Tuesday, February 18, 2014

TRANSITIONAL USE OF ARINC SPECIFICATION 622 (1994)

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COMMENTS ON DRAFT REPORT ON ATNP/1 AGENDA ITEM 2: "COMMUNICATION ASPECTS OF INTERFACING APPLICATIONS TO THE ATN (E.G...TRANSITIONAL ...

Inmarsat Satellite Communications (1994)

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Four years after the first satcom on 747-400,  here is a snapshot of the technology, the interfaces, and the applications.