Hi AMSATs,
Commercial satellites were very expensive... but we hams find a way to get our
own satellite, for much cheaper price.
Launches are very expensive now... but maybe there is a way we can do it
cheaper ourselves (or with help from rocketeers) ?
(Ofcourse not aiming for AO40 size... mayb
time and development cost on (satellite) projects a lot.
Kind regards,
William Leijenaar
PE1RAH
www.leijenaarelectronics.nl
From: Tanan Rangseeprom HS1JAN
To: amsat-bb@amsat.org; leijenaarelectron...@yahoo.com; PE1RDW
; g0...@aol.com
Cc: thid...@gmail.com
contacts.
You will not be forgotten.
My condolences to his family and friends,
William Leijenaar, PE1RAH
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Hi AMSATs,
There was a slip on my fingers.
The date should be 13-March-2012.
(Thanks to 9A2EY, Zeljko who noticed my mistake)
73 de PE1RAH,
William Leijenaar
>Hi AMSATs,
>
>I received the news that VO-52 will be switched on in a couple of hours from
>now, at 13:50UTC, (0
io records and reports are very welcome at ISRO and myself)
73 de PE1RAH,
William Leijenaar
---
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Su
ength) was shorter
than 3/4 lambda length. Due to this fact I actually expected a higher resonance
frequency, but it went out the opposite way.
FYI: The supporting of the elements is all done with PVC tubes, to avoid any
metal influence.
Kind regard
Hi Stefan,
So the answer on my question if my 433MHz toy car, when I put it into space,
can get an OSCAR number is YES!
According to the AMSAT website you mentioned of course... :-P
- My question was not specific if these satellites can or can't get an OSCAR
number.
My intention was more if they
ust
ask one of those ISS astronauts to throw this toy-car out of the space station
and we have another amateur satellite :o)
I just wonder where is the border between an OSCAR and a satellite that uses
ham radio frequencies for downloading its (none ham)
payload data ?
73 de PE1RAH, Wi
of all is that we have our own payload added. (Some less frequencies
then AO40 but possibly in a MEO/HEO).
Just an idea,
73 de PE1RAH, William Leijenaar
> Gentlemen,
>
> I have spent too much money on an FT-847!
>
> I had better to buy a well equipped HF transceiver instead!
>
>
or fragile parts/software.
On my older website there are still some maps and graphs available, which might
be usefull to other hams.
Please check the link:
http://www.qsl.net/pe1rah/oscarlator.htm
73 de PE1RAH, William Leijenaar
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and publicity value of those Cubes...)
73 de PE1RAH
William Leijenaar
>>William, I have wondered about this, too.
>>
>>I have come to think of these as seeds. Seeds that plant the idea of
>>satellites in the heads of people and make them want larger, better
>>
chips ? (commercial ? publicity ?)
Is there any technology thing we learn from this ?
73 de PE1RAH
William Leijenaar
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bus, Clock,
Interrupt lines etc. (similar to old ISA PC cards)
Or maybe with I2C.
I keep it to these questions for now...
Next questions will follow out of the answers hihi...
73 de PE1RAH
William Leijenaar
---
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rk the transponder or the balloon
APRS.
The balloon information can be found at the website of OEVSV:
http://www.oevsv.at/opencms/modules/news/20100621_ballon_passepartout_5_nachlese_2010_graz.html?uri=/index.html
73 de PE1RAH,
William Leijenaar
www.leijenaarelectron
transponder, which still
needs some time to get finalized.
73 de PE1RAH
William Leijenaar
>> Hi Hamsat Team,
>>
>> Thanks for building this great Amateur Satellite it is always a pleasure
>> to hear and work this great bird. I think when somebody will ask me what
>>
this been done before ?
Any ideas ?
73 de William Leijenaar
PE1RAH
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me :o)
For the ICOM fans I also checked for the new IC-9100 but it was not presented
at this ham expo.
The only thing the ICOM people could tell me is that it might be available at
the next year expo, which is quiet some time to go...
Many 73 from Shanghai,
William Leijenaar, P
, William Leijenaar
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like one big world-wide family)
73 de William Leijenaar, PE1RAH
www.leijenaarelectronics.nl
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radio projects, preferable related to amateur satellite projects.
Info about the China Ham 2010 can be found here:
http://www.chinahamexpo.com/indexEn.asp
With kind regards,
William Leijenaar, PE1RAH
www.leijenaarelectronics.nl
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radio projects, preferable related to amateur satellite projects.
Info about the China Ham 2010 can be found here:
http://www.chinahamexpo.com/indexEn.asp
With kind regards,
William Leijenaar, PE1RAH
www.leijenaarelectronics.nl
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these tube-sats ?
73, de PE1RAH
William Leijenaar
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using in linear mode.
In the datasheet it says that they 'may älso be used for linear mouldation",
which doesn't give many guarenty. Any experience with these modules in linear
(SSB) mode are welcome.
73 de PE1RAH, William Leijenaar
For my small mode-uv transponder desig
ed on this satellite.
73 de PE1RAH, William Leijenaar
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with todays highly integrated microcontrollers if there is some modern
kind of real-time-tracker available ?
I am looking for a system that works just seconds after switching on the power
supply and not something that first has to boat 15min and needs a mouse to work.
73, PE1RAH
William Leij
Hi AMSATs,
For the interrested people,
I made some website with more technical information of my small linear
transponder design.
It can be found at:
www.leijenaarelectronics.nl
73 de PE1RAH
William Leijenaar
---
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satellite
radio and uses it as a remote radio "ear" in space. In this way it is also
possible to use one frequency simplex system.
Just some ideas,
73 de PE1RAH,
William Leijenaar
---
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Hi AMSATs,
I like to share with you some news about my succesfull experiments with my
tinny transponder. I managed it to work with 23cm as input frequency :)
The changes are minor, just a few components to be changed and the input
filter needs to be changed. I have to do some more testing but a
tion. When I make my own code, I can not get it to make the .MOT file, so
nothing to upload.
Any Renesas guru that might know how I can get it to convert to a .MOT file ?
My kind regards,
William Leijenaar, PE1RAH
---
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officially tested yet.
However, the design is well suited for applications like terresterial
transponders.
73, with kind regards,
William Leijenaar, PE1RAH
---
- Original Message -
From: "Bruce Robertson"
To: "AMSAT-BB"
Sent: Thursday, September 03, 2009 8:04 A
, and it would be a great rig to have in the future shack.
My thanks to Alan, GM1SXX for making the picture gallery
73 de JA/PE1RAH,
William Leijenaar in Tokyo.
---
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, and thanks for the nice talks we had about
satellites.
73 de JA/PE1RAH
William Leijenaar in Tokyo (till 28 August)
---
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ee it is not an hot air castle but real working
hardware.
Enjoy ham radio,
Hope to meet you at the Ham Fair in Tokyo,
73 de PE1RAH, William Leijenaar
---
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, and maybe see you on Ham Fair Tokyo,
William Leijenaar, PE1RAH
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Hi AMSATs,
The news is full again of the moon landings, where NASA claims to have new
evidence, which makes me laugh again. I have the same idea like LeRoy, KD8BXP.
When the information is only from one source it is not reliable at all, every
scientist should know.
This doesn't mean that I
structure myself, but that takes lots of work and I need
to get the precize sizes somehow. Maybe someone has ever made a Cubesat demo
version ?
My kind regards,
William Leijenaar PE1RAH
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his soul rest in peace,
William Leijenaar PE1RAH
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