Nov 21 2015
AO-73 firar två år i rymden! Läs mer på AMSAT-UK hemsida.
Nov 20 2015
Nytt försök för Dragonskolan att ha en ARISS-kontakt med ISS. Se nedan:
ARISS contact for school in Sweden
An International Space Station contact is planned for Dragonskolan, Umea, Sweden.
The event is scheduled for Wednesday 25 November 2015 at 09:44 UTC, which is 10.44 CEWT. This will be a telebridge contact between NA1SS and VE4ISS. Signals from the ISS will not be audible in Europe.
The contact will possibly be broadcast on EchoLink AMSAT (node 101 377) and JK1ZRW (node 277 208) Conference servers, as well as on IRLP Discovery Reflector 9010.
Dragonskolan is one of the biggest upper secondary schools in Sweden and is located in central Umea. Currently hosting 1820 students aged 16-19 and 300 staff; it has recently been renovated to meet modern
needs in a stimulating learning environment.
At Dragonskolan, we have an ethos where we believe we can offer our students three meaningful and enjoyable years. Our core values are “open and bright”, referring not only to the physical surroundings but
also to the social climate.
Dragonskolan is the biggest meeting place for young people in Umea, A wide range of 3 year programs, college preparatory and vocational, are offered here, ranging from natural science to humanities and technological
science. At the core of the school is the Dragonskolan Technology Center where everything is taught from industrial welding technology to electronics, automation, computer science, CAD and much more.
With its close ties to the industry, the school keeps in pace with the latest industrial technology ensuring the students get the best education available within their chosen field.
Students will ask as many of the following questions as time allows.
1. Joacim 16 : How would you describe the smell in space?
2. Ida 16: Is going to space what you expected it to be?
3. Ellen 16: How dark is it dark in space?
4. Roya 16: Have you ever fantasized about seeing an alien life form?
5. Maja 16: Do you have access to internet and social media on the space station?
6. Elsa 16: What is the first thing you want to do when you get back home?
7. Sebastian 16: What is your annual salary as an astronaut?
8. Saif 16: When are humans expected to go to Mars?
9. Anna 18: How does one feel in size aboard the space station?
10. Ludwig 17: If a person is in the middle of a room in aboard the space station without reaching the walls. How would that person move from that position without throwing something in the opposite direction?
11. Gustav 18: Where does the oxygen come from?
12. Linda 18: How has your vision of life changed from being in space?
13. Marcus 18: Which time is correct in space?
14. Klara 18: How do you take a shower in low gravity?
15. Lisa 18: Do you ever get tired of each other on the space station?
16. Linnea 16: Don’t you miss your family and friends?
17. David 18: Do you think people get another view on our problems on earth after a trip to space?
18. Patrick 17: What does it feel like to sleep in space?
19. Vincent 17: Was it worth all the training to go to space?
20. Josefin 17: What is the best experience you have had so far going to space?
ARISS is an international educational outreach program partnering the volunteer support and leadership from AMSAT and IARU societies around the world with the ISS space agencies partners: NASA, Russian Space
Agency, ESA, CNES, JAXA, and CSA.
ARISS offers an 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, technology, and learning.
Gaston Bertels – ON4WF
ARISS-Europe past chairman
Nov 18 2015
Nu meddelar AMSAT-NA att AO-85 (Fox-1A) är överlämnad från uppstartsfasen till ”driftstatus”. I samband med detta presenteras en hel del viktigt information (Källa: ANS 321):
AO-85 has been formally commissioned and turned over to AMSAT
Operations, who are now responsible for the scheduling and modes.
The following guidelines are provided for users:
Uplink power should be on the order of minimum 200 W EIRP for full
quieting at lower antenna elevation angles. Your mileage may vary.
With an Arrow, 5 W has been used successfully to make contacts.
Polarity is important. The satellite antennas are linear. So, if you
are using linearly polarized antennas, you will need to adjust
throughout the pass. Full duplex operation facilitates these
adjustments while transmitting and is highly recommended.
The downlink is very strong and should be heard well with almost any
Downlink audio is 5 kHz deviation, as expected. Many will perceive
that the audio is ”low.” This is an effect of the filtering below 300
Hz, which provides for the DUV telemetry, coupled with any noise on
the uplink signal resulting from lack of full quieting or being off
frequency. That makes for less fidelity than a typical receiver in
terms of audio frequencies passed.
Transmit (downlink) frequency varies with temperature. Due to the
wide range of temperatures we are seeing in the eclipse cycle, the
transmitter can be anywhere from around 500 Hz low at 10°C to near 2
kHz low at 40°C.
Receive frequency has been generally agreed to be about 435.170 MHz,
although the AFC makes that hard to pin down and also helps with the
uplinks that are off frequency.
Probably the most notable observations about AO-85 are an apparent
lack of sensitivity and difficulty in turning on the repeater with
the 67 Hz CTCSS when it is not yet activated, or holding it on by the
presence of the CTCSS. We have determined a probable cause for the
sensitivity issue and while that can’t be fixed on AO-85 we are
taking steps to prevent similar issues on the rest of the Fox-1
CubeSats. The tone detection threshold along with the receive
sensitivity issue makes it hard to bring up the repeater. This is
being addressed by adjusting the values for a valid tone detection in
the other Fox-1 CubeSats now that we have on orbit information about
temperatures and power budget. Full details will be in the Nov/Dec
It is important to remember that science is the reason behind the
Fox-1 satellites. Not only does science help with the launch cost, it
provides a great amount of educational value both from the science
payload and in amateur radio itself. The data-under-voice (DUV)
telemetry is an excellent way to provide the science without
sacrificing the use of the satellite for communications, which would
be the case if higher speed downlinks were needed. DUV provides
constant science as long as the repeater is in use, which in turn
provides more downlink data for the science – a mutually beneficial
Fox-1A is AMSAT-NA’s first CubeSat. Many new techniques are
incorporated and lessons will be learned, as with any new ”product.”
The Fox-1 Project is a series of CubeSats. A total of five will be
built and flown. Launches are scheduled for three more, and a new
NASA CubeSat Launch Initiative proposal will be submitted for the
fifth. We will incorporate changes from what we learn in each launch,
to the extent possible, in subsequent Fox-1 CubeSats.
Of the four NASA sponsored CubeSats on the ELaNa XII launch October
8, we are sad to report that ARC1 was never heard from and BisonSat
was lost after a few weeks of operation. AMSAT extends our deepest
sympathy to the people who worked so hard on these projects. To our
members, we want to say that the Fox Team is very proud and pleased
that our first CubeSat is very successful and hopefully will be for
[ANS thanks Jerry NoJY for the above information]
Nov 18 2015
QB50 – 50 st Cibesats som kommer upp under 2016! Här finns en sammanställning av frekvenser:
Okt 30 2015
AMSAT-SM har gjort en mindre uppfräschning av vår logotyp under oktober 2015. Vi behåller AMSATs erkända mönster men med en egen touch. Dessutom är nu logotypen i färg. Alla våra kanaler (web, Facebook, Twitter och Youtube) är uppdaterade.
Okt 29 2015
Eskil-SM5SRR som är ARISS Mentor för OZ-SM meddelar följande:
”Då är det bekräftad att Dragonskolan i UMEÅ kommer att ha en ARISS kontakt med Astronauten Kjell Lindgren torsdag 5 november kl 11:35 lokaltid eller 10:35 UTC. Kontakten är en telebridge som går via VK6MJ, Martin Diggens, i Australien. Moderator för kontakten blir Jag själv och på plats i Umeå blir det Lars Ivarsson-SA2CER.”
Lite mer info finns på Dragonskolans hemsida. Om det blir någon typ av livesändning återkommer vi med information.