Satcom Guru

L band, Ku band, Ka band: Aeronautical Applications, DO-160 Qualification, Certification, Regulation, and Standardization; Modeling; Testing; Cellular; Bluetooth; WiFi; Antenna; Beam Steering; Aero Performance - CFD; Link Budget;

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Wednesday, December 6, 2017

Project Paper 792 - Dec 2017 Update

Project Paper 792 System Flat-Panel antennas, particularly those with embedded amplifiers, provide the only pathway from an effective...

Friday, November 17, 2017

Comparing Antenna Performance

While it is possible to get 2x as marketing touts, the ThinKom (2Ku) antenna achieves about 1.5 times the spectral efficiency as a compe...

Monday, November 13, 2017

Defense in Depth

Defense-in-Depth is a security concept that applies successive barriers to unauthorized access. Aeronautical communication includes a ...

Friday, October 27, 2017

Space Shuttle Approach and Landing Test Program

Robert (Bob) Montgomery participated in the Space Shuttle Approach and Landing Test program, conducted by NASA Dryden at Edwards in 1977. ...

Monday, October 23, 2017

Google Loon - Floating Nest of Radio Technologies

Google is deploying a High Altitude Platform System (HAPS) in the form of balloons that float around 20 km in altitude above a servi...

Saturday, September 2, 2017

Managing Network Security and QoS: PP848

Air Transport Airplanes are faced with a monumental challenge to upgrade and embrace modern IP radio networks. Network security has risen ...

Friday, September 1, 2017

“Otto”, your new First Officer

Will air transport airplanes carrying many people for commercial purposes move to fully autonomous, no human pilot onboard? The Fi...

Thursday, August 31, 2017

Antenna Performance along an Airline Route

Aircraft fly from a departure airport to a destination airport along a route that is ideally a great circle connecting the two airports. W...

Wednesday, August 30, 2017

Choosing an Airline Wireless Internet Service Provider (WISP)

Airlines have been providing passengers radio communication services at their seat since 1937. In 2017, airline passengers yearn for f...

Monday, April 17, 2017

Spectral Efficiency - The Fitness of Wireless Communication

Spectral efficiency –the effective data rate that can be achieved from a given slice of spectrum.

Saturday, April 8, 2017

Designing B-47 Maneuvers

The B-47 was the first swept-wing bomber. Boeing aerodynamicist Robert (Bob) Montgomery stopped by Pease AFB and briefed emerging maneuve...

Wednesday, April 5, 2017

PP792 draft 1 released: Second-generation Ku/Ka-band Aero Satcom Terminals

PP792 Satcom System

Friday, March 17, 2017

Tom Kraft - Final Clearance

Tom Kraft and Dave Allen share a beer moments after FANS was first certificated by the FAA (1995). Not pictured were Tom Twiggs (Boein...

Saturday, March 11, 2017

Project Paper 848 Draft 1 Released - Secure Broadband IP Air/Ground Interface (SBAGI)

Draft 1 of ARINC Project Paper 848: Secure Broadband IP Air-Ground Interface (SBAGI) has been released by the AEEC Network Infrastru...

Monday, February 13, 2017

"Spam in a can"

...the role of that human being vis-a-vis the role of automatic controls of all aspects of spacecraft and launcher operations became a subj...

Monday, January 23, 2017

TK295, URSS Sochi Runway 02, Sep 27 2016 TC-JLP A319 ATC Intervention in Go-Around

There is a difference in the reported actions (turn left) and the flightradar24.com data (turn right) after commencin...

Friday, January 20, 2017

SAVE: Surveillance alarm ADS-B state Verified against Expected state for clearance and procedure

S urveillance alarm triggered by A DS-B aircraft state V erified against E xpected aircraft state for clearance and procedure

Monday, January 16, 2017

TK6491 747-400F MyCargo/ACT Airlines, Manas Airport (FRU/UCFM) in Bishkek

Did a false glide slope lead TK6491 astray? Never have heard of this before. A 747-400F cargo plane with 4 crew crashed near Mana...

Wednesday, January 4, 2017

SU1008 UMKK/KGD Kaliningrad A321 VP-BES Runway 24 Departure

An Aeroflot A321departed runway 24 at UMKK Kaliningrad on Jan 03 2017 20:54. Weather reports include forecast medium braking in wet snow, ...

Tuesday, January 3, 2017

Connected Airplane 2017 - Are we there yet?

Tuesday, December 27, 2016

Jet Airways 9W2374 Goa Dabolim Airport Runway 26 Excursion

Monday, December 26, 2016

Postcards from Skylab - Christmas in Space 1973

Stockings hung for Christmas 1973 - Skylab SL-4

Thursday, December 8, 2016

Communications Assistance for Law Enforcement Act (CALEA)

https://www.documentcloud.org/documents/3229456-Thieving-Magpie-Using-on-board-GSM-GPRS-services.html

Sunday, December 4, 2016

LMI2933 LAMIA AVRO RJ85 Medellín Deadstick

LMI2933 approach to SKRG. The airplane position is plotted as a function of time (where it effectively flows to the left). The airplane i...

Wednesday, November 9, 2016

Galloping Gertie

The Tacoma Narrows Bridge opened to fanfare in July, 1940 having been constructed over the previous two years as a Public Works Administrat...

“Pence Plane” EA3452 Overrun

Wednesday, October 12, 2016

FCC 15.247 (c) 2 Smart Antenna Systems - Powering Line-of-Site Aeronautical Communications

The FCC issued Report and Order 04-165 on July 12, 2004. The Smart Antenna System (SAS), capable of forming multiple antenna beams, forged...

Tuesday, October 4, 2016

FCC Grants Harris authorization for Ground and Fixed Airborne Radios (SmartSky)

FCC Grants for Harris Ground and Airborne radios

Wednesday, September 28, 2016

Using Unlicensed Spectrum for Air-to-Ground Networks

Gogo has announced an initiative to utilize unlicensed spectrum to power an new Air-to-Ground (ATG) network. They profess a beam-form...

Monday, September 26, 2016

Bluetooth Low Energy - Guiding our Way in the Future

Bluetooth Low Energy (BLE) refers to a low power broadcast mode commonly referred to as a beacon (Bluetooth beacon, iBeacon). BLE broa...

Saturday, September 24, 2016

Aircraft Tracking using ADS-B - We've come a long ways!

Automatic Dependent Surveillance - Broadcast, or ADS-B, is revolutionizing Air Traffic Control. With some minor enhancements to the aircra...

Friday, September 23, 2016

Second Generation Ku/Ka Satcom (PP792) Taking Shape

PP792 Ku/Ka Satcom Block Diagram

Wednesday, August 3, 2016

ADS-B Telemetry from EK521

Within minutes of the incident, Flightradar24.com published a time history of the ADS-B transponder transmissions from EK521. REVISED w...

Friday, June 24, 2016

Cybersecurity and Phased Arrays - PP848 and PP792

The Ku/Ka satcom subcommittee met the last two weeks to progress the latest AEEC standards and characterstics defining secure broadband conn...

Wednesday, June 8, 2016

Aviation Data Link - Security, Segmentation, QoS

Beginning in 1978, aircraft data link emerged using a VHF network named ACARS (Aircraft Communication, Addressing and Reporting System). AC...

Saturday, May 21, 2016

Air Safety Investigation

The first and foremost response to any incident is rapid rescue and for sympathy to victims, survivors, and those that loved them. Timely ...

Thursday, May 12, 2016

Double Secret Environmental Conditions and Test Procedures for Airborne Equipment

RTCA produces DO-160, Environmental Conditions and Test Procedures for Airborne Equipment RTCA DO-160G Sections

Friday, April 29, 2016

OneWeb: Key Characteristics and Aero Application

The public has its first good glance into what is OneWeb

Friday, April 22, 2016

Aero Antennas: Bigger is Better!

ThinKom and QEST are both promoting Ka-band flat panel antennas that use about a 25" aperture for receive. ARINC 791 provision...

Monday, April 4, 2016

It Takes a Village

Delivering a consistent Internet experience to an airline passenger demands adequate provisioning for the peak periods (highest conten...

Tuesday, March 29, 2016

Show Me the Gbps: When 1 + 1 > 2

Some airlines offer passengers connectivity for free, others make the passengers pay, and in the end most will offer a mix of free and pa...

Tuesday, March 22, 2016

Average Data Rate and Usage - Use Cases

Every Internet access session is a unique experience generating a unique amount of usage (as measured broadly in MBytes). Light, average, he...

Friday, March 18, 2016

My Take on "Take-Rate"

Monday, March 7, 2016

Satellite 2016 - Day 1

Software defined payloads, beam-forming arrays, and unfurling antennas are just a few of the technologies to power the digital satellite ...

Wednesday, March 2, 2016

Reflecting on the Boeing 727

http://www.boeingimages.com/ Boeing 727 The first flight of the Boeing 727 began with a center-engine surge after takeoff. It settle...

Tuesday, March 1, 2016

Cisco Forecast: One mobile device needs 150 kbps today, 500 kbps in 2020

Sunday, February 28, 2016

Beam Hopping, Beam Forming, Frequency Reuse, and the Quest for Maximizing Satellite Throughput

Satellite communication is amazing in so many ways. Start with launching a machine into space and expect it to operate precisely while man...

Friday, February 26, 2016

A Broadband User Average Throughput is 150 kbps, not 25 Mbps

The following are all clipped excerpts driving the point that a good broadband experience averages only 150 kbps...the contend...

Thursday, February 25, 2016

50-80 Peak Busy Users Contend for the Advertised Rate (Revised)

Wednesday, February 17, 2016

Secure Networking, Safety Comms, Future of Satellite Voice

Tuesday, December 8, 2015

VICTS (2Ku) is Mechanically Steered & Other Antenna Characteristics

Sunday, November 29, 2015

Broadband Communications for Business Aviation - NBAA 2015

NBAA attendees with an interest in how to connect their airplanes to the Internet and choosing to rest their dogs on the second day in ...

Saturday, October 3, 2015

A Stroll through APEX 2015

Wireless connectivity with passengers was the mainstream theme at the 2015 APEX exhibition in Portland, Oregon. If not connectivity to passe...

Friday, August 28, 2015

Airplane Mode 2015

Twitter - Will Ferrell UPDATE 24 Sep - Here is the current issue list: * Should (Wi-Fi, Bluetooth, GPS) stay on when engaging Air...

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