Month: September 2005

Tyvrr s verkar det som att uppskjutningen kommer att bli frsenad.

Lnk

Klla: www

Anders SM0DZL informerar om MRO (Mars Reconnaissance Orbiter) som kommer att snda p 437.1 MHZ:
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MRO = Mars Reconnaissance Orbiter
Launch 2005 08 12 Atlas 5-401 frm Cape Canaveral AF station >>Mars 2006 03 10

Data snds p : 8 GHz, TX 100 W vandringsvgrr, ant 3 m diameter snder ven p 32 GHz
Markstationer: Deep Space network 34 m antenner i Goldstone / Spaninen / Australien

Finns inte med i JPLs satellitlista men just nu ligger MRO ngonstans nra ekliptikan. Tyvrr inga tider som passar oss eftersom den r hrbar endast nattetid.

Klla: Anders SM0DZL

Via Internet gr det att se uppskjutningen av SSETI Express live. Start r planerad till 30 september och sedan gr det att ta emot telemetri enligt frekvenser nedan:
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The launch of SSETI Express from Plesetsk in northern Russia on Friday 30th September at 06:52 UTC will be streamed to the Internet. Thanks to the efforts of Howard Long G6LVB Radio Amateurs around the world will be able to watch the launch live by entering the following URL into their browser:

http://www.streamingwizard.com/clients/space.asx

For the latest news and pictures from Plesetsk see the SSETI Express Mission News Page at:
http://sseti.gte.tuwien.ac.at/WSW4/MOPWS/news

The Download Page at http://sseti.gte.tuwien.ac.at/WSW4/MOPWS/downloads.php
contains software for Radio Amateurs to enable them to make use of the spacecraft along with the launch campaign logbook.

The latest version of the SSETI Express Handbook can be downloaded from http://www.uk.amsat.org/

It is planned that SSETI Express will downlink telemetry in AX25 format at 9k6 on 437.250MHz and at 38k4 on 2401.835MHz. It should also be available for Radio
Amateurs to use as a single channel FM transponder.

Klla: Trevor M5AKA

Intressant lsning fr oss som gillar att sjlva snickra ihop prylar fr
satelliter:

G6LVB / Howard har uppdaterat sin automatiska antenn-tracker till en mer kapabel version 2. Full dokumentation p:
http://www.g6lvb.com/Articles/LVBTracker2/index.htm

Howard s hemsida har mycket annan intressant lsning ocks och r vl vr ett besk!7
3 de SM0RJV / Mats

G6LVB hemsida

Klla: SM0RJV Mats

Nu har SuitSat kommer ombord p ISS!

Frank H. Bauer, KA3HDO, who is the ARISS International Chairman, AMSAT V.P. for Human Spaceflight Programs, and NASA ARISS Program Manager, provided an update on the status of the SuitSat and the SSTV gear for the ISS this week.

On Thursday September 8 at 13:08 UTC, Progress 19P lifted off from the Baikonur Cosmodrome in Kazakhstan. Included in the 2.5 tons of fuel, food and supplies are two Amateur Radio on the International Space Station (ARISS) systems—the Suitsat amateur radio hardware and the Slow Scan
Television (SSTV) hardware and software. The successful docking of Progress to ISS on September 10 culminates the successful design, development, certification and delivery of these two ARISS Projects. The ISS Expedition 11 crew will unpack this equipment, making it available for installation, use and deployment by the Expedition 12 crew.

The Suitsat amateur radio system, coupled with a school artwork project, is planned to be installed in an outdated Russian Orlon spacesuit. It will then be deployed from the ISS during an Extra Vehicular Activity
(EVA, or spacewalk). This is expected to occur in the December timeframe by the Expedition 12 crew. The Suitsat amateur radio system will beam down special messages and an SSTV image from within the Orlon space suit
as it floats in space. Suitsat radio system will allow hams and students to track the suit and decode special international messages, space suit telemetry, and a pre-programmed Slow Scan TV image through its specially
built digital voice messaging system and amateur radio transmitter. As built, Suitsat will be a transmit-only capability that will run on the space suit s battery power.

As part of the Suitsat project, a CD with hundreds of school pictures, artwork, poems, and student signatures is included. Two identical CDs were flown, one will go in the suit and the other will be for the crew to review. Using the crew CD, we hope to downlink these images using
the SSTV system that will be located inside the Service Module once it is operational. There are approximately 300 items on the CD. These are from all over the world (Japan/Asia, Europe, Russia, Canada, US, South America and Africa). Several NASA Explorer Schools participated as well as numerous ESA and Russian Space Agency-sponsored schools.

The idea for Suitsat was first conceived by the ARISS-Russia team, led by Sergey Samburov, RV3DR, and was extensively discussed at the joint AMSAT Symposium/ARISS International Partner meeting in October 2004. The
project, also called Radioskaf or Radio Sputnik in Russia, is being led by project manager A. P. Alexandrov and Deputy Project Manager A. Poleshuk from RSC Energia, located in Korolev (Moscow area) Russia. On the US
side, the hardware project development was led by AMSAT member Lou McFadin, W5DID.

Since October 2004 the Suitsat design concept matured and evolved due to the challenging development time constraints. In a very short timeframe, the ARISS international team designed built and tested a simple, yet fully featured system that we hope will inspire hams and students around the world.

The SSTV system will be installed inside the Service module as an integral part of the ARISS ham radio system. It will transmit and receive (JPG) still images from the International Space Station in a format called Slow
Scan TV (SSTV). When fully operational, the SSTV system is capable of sending up to 480 images per day from ISS. It will also be able to receive images from amateur radio stations on Earth. This system will utilize the already installed Kenwood D-700 radio and the ARISS antennas
mounted on the Service Module. The SSTV equipment flown on Progress 19P includes the SpaceCam software, a radio/computer interface module, and data cables. The dedicated laptop for SSTV operations will be launched on a
subsequent Progress vehicle.

Over the course of the past several months, the Suitsat and SSTV system passed the stringent NASA and Energia safety certification process and were deemed ready for flight–clearing the way for the incorporation into the
Progress 19P vehicle. More information on SSTV and Suitsat will be provided as we get closer to installation and deployment .

On behalf of the ARISS International team, I want to congratulate the Suitsat hardware development team and the SSTV development team on a job well done. We look forward to future operation of these systems on ISS, inspiring the next generation of space explorers.

ARISS is an international educational outreach program partnering the ISS space agency partners–NASA, RSA, ESA, JAXA, and CSA, with volunteers from the AMSAT and IARU (International Amateur Radio Union) organizations from
participating countries. ARISS offers an inspirational opportunity for students to experience the excitement of Amateur Radio by talking directly with crewmembers on-board the International Space Station. Teachers, parents and communities see, first hand, how Amateur Radio and crewmembers on ISS can energize youngsters interest in science, mathematics, technology, and learning. Further information on the ARISS program is available on the website http://www.rac.ca/ariss

ARISS hemsida

Klla:

The PCSAT2 packet system is enabled for both 1200 and 9600 baud digipeating, and it can also do cross-BAUD digipeating. That is 1200 up and 9600 down or 9600 up and 1200 down. We had no specific application in mind, but it
is there for experimentation.

For 1200 or 9600 use the path VIA ARISS. For cross-BAUD operation use the path VIA XBAUD.

The easiest way to experiment is to use either the Kantronics KPC-9612+ TNC or the Kenwood D7 or D700 that can both easily switch between 1200 and 9600 baud.

Experiment with the shortest TXD delay you can get by with at 9600 baud. Typically for one-at-a-time packets like APRS, there is not much advantage for operating at 9600 baud, because the TXD delay is often as long or longer
than the data, so the actual throughput advantage of 9600 is more like a factor of 2 than 8.

Perhaps the value of operating at 9600 baud would be in downloading Mail from the PCSAT2 PBBS. That is the only time when all the delays will be amortized and 9600 baud would give you a significant throughput advantage.

Users are welcome to use the PCSAT2 digipeater for experimentation.
Uplink is 145.825
Downlink 435.275 +/- 10 KHz Doppler
DIGIpeater call is ARISS for 1200 or 9600
DIGIpeater call is XBAUD for cross-baud
PBBS callsign is MAIL-1

The Kenwood D7 and D700 can do either 1200 or 9600 and on either band, but not both baud rates at the same time. The KPC-9612+ can transmit either 1200 or 9600, but because it is dual port, it can receive both at the same
time.

[ANS thanks Bob, WB4APR, and the US Naval Academy Satellite Lab for the above information]

Klla: ANS-261