COM DEV equipment launched on US Air Force AEHF-2 satellite

CAMBRIDGE, ON, May 9, 2012 /CNW/ – COM DEV International Ltd. (CDV.TO), a leading manufacturer of space hardware subsystems, today announced that the AEHF-2 satellite has been successfully launched with COM DEV-built switches, filters and other microwave components on board.  The satellite was launched May 4 th from Cape Canaveral, Florida, aboard an Atlas V rocket.

AEHF-2 is the second of four planned “Advanced Extremely High Frequency” satellites being built for the U.S. Air Force.  AEHF is the next-generation military strategic and tactical relay system.  It will provide survivable, global, secure, protected, and jam-resistant communications for high-priority military ground, sea and air assets. The AEHF constellation will also serve international partners including Canada , the Netherlands and the United Kingdom .

“AEHF is one of the most technologically advanced satellite programs in the world,” said Michael Pley, CEO of COM DEV.  “It’s a great example of how space technology can be used to help ensure greater security for all of us.  We are pleased to be able to contribute, with multiple COM DEV divisions providing equipment for this satellite.”

A single AEHF satellite provides greater total capacity than the entire five-satellite Milstar constellation currently on-orbit.

Lockheed Martin is the AEHF prime contractor, space and ground segments provider as well as system integrator, and Northrop Grumman is the payload provider.  COM DEV has been involved in the program since 2002, and is supplying equipment for all four satellites.  The program has begun advanced procurement of long-lead components for the fifth and sixth AEHF satellites.

About COM DEV

COM DEV International Ltd. (www.comdevintl.com) is a leading global provider of space hardware and services.  With facilities in Canada , the United Kingdom and the United States , COM DEV manufactures advanced subsystems and microsatellites that are sold to major satellite prime contractors, government agencies and satellite operators, for use in communications, space science, remote sensing and defense applications. COM DEV’s majority-owned subsidiary, exactEarth Ltd., provides satellite data services.

This news release may contain certain forward-looking statements that involve risks and uncertainties. Actual results may differ materially from results indicated in any forward-looking statements. The Company cautions that, among other things, in view of the rapid changes in communications markets and technologies, and other risks including the cost and market acceptance of the Company’s new products, the level of individual customer procurements and competitive product offerings and pricing, and general economic circumstances, the Company’s business prospects may be materially different from forward-looking statements made by the Company.

The triangular logo and the word COM DEV are each registered trademarks and the property of COM DEV Ltd. All rights reserved.

India’s Largest Ever Rocket – GSLV MK3

It’s tipped to be India’s heaviest rocket till date weighing 640 tons, it’s also taken 10 years to develop and will hopefully launch Indian astronauts into space. That’s the Indian Space Research Organisation (ISRO) designed and developed GSLV MK3 that has cost Rs 2500 crores and will put India on the multimillion dollar commercial launch market.

Watch ISROs GSLV MK3 – First Look

India's Largest Ever Rocket – GSLV MK3

It’s tipped to be India’s heaviest rocket till date weighing 640 tons, it’s also taken 10 years to develop and will hopefully launch Indian astronauts into space. That’s the Indian Space Research Organisation (ISRO) designed and developed GSLV MK3 that has cost Rs 2500 crores and will put India on the multimillion dollar commercial launch market.

Watch ISROs GSLV MK3 – First Look

Vintage Videos of STS-9 Columbia Mission and Spacelab

Owen Garriott W5LFL with Motorola two meter FM ham radio on STS-9 Columbia

The first ham radio transmissions by an amateur radio operator in space were made by Owen K. Garriott W5LFL during the STS-9 Columbia mission in 1983. This led to many further space flights incorporating amateur radio as an educational and back-up communications tool.

Watch ARRL – Amateur Radio’s Newest Frontier (STS-9 Columbia) narrated by Roy Neal K6DUE

Narrated by the Commander and crew, the following video contains footage selected by the astronauts, as well as their comments on the mission. Footage includes launch, onboard crew activities, and landing.

Watch Space Shuttle STS-9 Columbia-Spacelab 1 pt1-2 Post Flight Press Conference Film 1983 NASA

Watch Space Shuttle STS-9 Columbia-Spacelab 1 pt2-2 Post Flight Press Conference Film 1983 NASA

STS-9 (also known as STS-41A and Spacelab 1) was a NASA Space Shuttle mission which carried the first Spacelab module into orbit to conduct space-based scientific experiments. It was the sixth mission of the Space Shuttle Columbia, and was Columbia’s last flight until STS-61-C in January 1986. It was also the last time the old STS numbering was used until STS-26 (in the aftermath of the Challenger disaster of STS-51-L). Under the new system, STS-9 would have been designated as STS-41-A.

STS-9 launched successfully from Kennedy Space Center at 11 am EST on 28 November 1983.

The shuttle’s crew was divided into two teams, each working 12-hour shifts for the duration of the mission. Young, Parker and Merbold formed the Red Team, while Shaw, Garriott and Lichtenberg made up the Blue Team. Usually, the commander and the pilot team members were assigned to the flight deck, while the mission and payload specialists worked inside the Spacelab.

Over the course of the mission, seventy-two scientific experiments were carried out, spanning the fields of atmospheric and plasma physics, astronomy, solar physics, material sciences, technology, life sciences and Earth observations. The Spacelab effort went so well that the mission was extended an additional day to 10 days, making it the longest-duration shuttle flight at that time.

The Spacelab 1 mission was highly successful, proving the feasibility of the concept of carrying out complex experiments in space using non-NASA persons trained as payload specialists in collaboration with a POCC. Moreover, the Tracking and Data Relay Satellite, now fully operational, was able to relay vasts amounts of data through its ground terminal to the POCC.

During orbiter orientation, four hours before re-entry, one of the flight control computers crashed when the RCS thrusters were fired. A few minutes later, a second crashed in a similar fashion, but was successfully rebooted. Young delayed the landing, letting the orbiter drift. He later testified: “Had we then activated the Backup Flight Software, loss of vehicle and crew would have resulted.” Post-flight analysis revealed the GPCs failed when the RCS thruster motion knocked a piece of solder loose and shorted out the CPU board.

Columbia landed on Runway 17 at Edwards Air Force Base on 8 December 1983, at 3:47 pm PST, having completed 166 orbits and travelled 4.3 million miles (6.9×106 km) over the course of its mission. Right before landing, two of the orbiter’s three auxiliary power units caught fire due to a hydrazine leak, but the orbiter nonetheless landed successfully. Columbia was ferried back to KSC on 15 December. The leak was later discovered after it had burned itself out and caused major damage to the compartment…

Commander: John W. Young
Pilot: Brewster H. Shaw, Jr.
Mission Specialists: Owen K. Garriott, Robert A. R. Parker
Payload Specialists: Byron K. Lichtenberg (MIT), Ulf Merbold (Germany)
Dates: November 28 to December 8, 1983
Vehicle: Columbia OV-102
Payloads: Spacelab-1
Landing site: Runway 17 dry lakebed at Edwards AFB, CASpace Shuttle

History http://scitech.quickfound.net/astro/space_shuttle_news.html

FM Interference to Linear Transponder Satellites

Alexandru Csete OZ9AEC has previously written about interference from FM stations on the HO-68 linear transponder. He now reports that other satellites with linear transponders (designed for SSB/CW use only) also suffer from local FM traffic by people who haven’t got a clue that they are transmitting in the satellite uplink segment of the 2 meter band (145.8-146.0 MHz).

This recording was made on Saturday, May 5, 2012 using the AMSAT-UK FUNcube Dongle and Gqrx SDR. It shows very strong FM transmissions on the FO-29 linear transponder which could be from Spain or Portugal. The topic appears to be chocolate. Alexandru says – If you know who these people are, be sure to send them a QSL card!

The use of FM on a linear transponder satellite reduces the lifetime of both the batteries and the transponder itself.

Watch FM on FO-29 amateur radio satellite

How to work the SSB amateur radio satellites http://www.uk.amsat.org/2712

AMSAT-UK FUNcube Yahoo Group http://groups.yahoo.com/group/FUNcube

ARTSAT release App for iPhone or iPod Touch

ARTSAT PROJECT-1: INVADER is an amateur radio “Art Satellite” currently being developed as a part of the “ARTSAT: Art and Satellite Project” which aims at a practical use of a satellite for art and design. Invader is a 1U CubeSat being developed by students at Tama Art University.

ARTSAT have just released their App for the iPhone or iPod Touch (iOS 5 or greater).

You can install it by entering your email address or in the USA your phone number at
https://apps.facebook.com/fanpagemobilizer/install?app_id=990569E751E34CCF898C9352FAC2F92F

ARTSAT on Facebook https://www.facebook.com/artsat

Invader CubeSat – A Student Art Satellite http://www.uk.amsat.org/?p=6449