EME is a
good replacement (JT65)
There are no
borders.
There is no
politics (no one owns the Moon).
There are no
Satellite managers to control which mode is enabled or disabled.
No person
can hog the whole repeater.
The Moon is
usable 2+ weeks contiguous per month.
In most countries
you can ru
The stuck PTT while running SSTV on ISS has been a known issue
since the vox box was first connected to the TM-D700 in the year 2005. The ISS
crew soon discovered the stuck VOX
transmitter issue.
One ISS crewmember left
the radio running all night sending SSTV images. The next morning the rad
Try adjusting for Doppler.
When the signals are strong over S3, should not have much of an issue decoding
intact packets.
However, if the signals are dipping below S3 and you are experience Doppler
greater than 2k, then you can improve your decoding performance by adjusting
for Doppler.
On 2 m
Digi-peating can be fun. I use to frequently digi-peat or chat-room with many
stations using the Mir Kantroinics or the ISS-Paccom system. I even made a
digi-peat contact from Boston MA to Pine Grove California. The ISS radio
window between Boston and California is only a few seconds long.
wrote:
> From: i8cvs
> Subject: Re: [amsat-bb] Re: searching advice on low hpass filter for 146 MHz
> To: "MM" , "HB9BNK''Werner Kullmann" ,
> "Amsat - BBs" , "Dee"
> Date: Monday, May 9, 2011, 4:47 PM
> Hi, KA1RRW
>
>
http://www.dci.ca/?Section=Products&SubSection=Amateur
You can buy a custom low pass filter for 2-meters from DCI.
Marex had DCI custom build a 2-meter filter for simular usage on Mir.
The filter passed 144.000 - 146.000, and had a notch added for 143.xxx.
The filter worked great.
It reduced mo
It is possible there was an orbit change thrust performed after the shuttle
docked.
When the Shuttle docks with ISS, the ISS autopilot is turned OFF.
The Shuttles autopilot takes over for the duration of the flight.
--- On Sun, 3/6/11, Marc Tessier - VE3TES wrote:
> From: Marc Tessier - VE3T
yes, the end of an Era.
In the Mir days, i could fly a ham project to Mir in less than 18 months from
theory to Switch on.
Now with ARISS/AMSAT, it takes 5-10 years.
It has been a boring past 10 years.
--- On Thu, 3/3/11, gw1...@aol.com wrote:
> From: gw1...@aol.com
> Subject: [amsat-bb]
Mon, 3/7/11, MM wrote:
> From: MM
> Subject: [amsat-bb] Re: ISS and Discovery - Final visible pass
> To: amsat-bb@amsat.org, "John Magliacane"
> Date: Monday, March 7, 2011, 8:15 PM
>
>
> Shuttle Discovery flying over Boston
>
> I posted my photos on flickr
Shuttle Discovery flying over Boston
I posted my photos on flickr.
Attached are a few pictures of the Space shuttle Discover STS-133. Taken at 7
PM March 7, 2011 from Groton Mass. The Shuttle and the Space station can both
are see in this image. The leading streak is the Shuttle. The seco
So what is the best "new" Satellite Radio on the market today?
or
What's the best "out of production" Satellite Radio?
--- On Fri, 2/25/11, Dave Webb KB1PVH wrote:
> From: Dave Webb KB1PVH
> Subject: [amsat-bb] Re: IC-9100
> To: "Nigel Gunn G8IFF/W8IFF"
> Cc: "AMSAT -BB"
> Date: Friday,
wow, 5 years of time and money invensted into Arissat-1 for a 6 month run.
Mean while, all other ISS projects put on hold.
And it missed its lauch date of "fall 2007".
--- On Wed, 2/2/11, Gould Smith wrote:
> From: Gould Smith
> Subject: [amsat-bb] Re: Arissat-1 lifetime
> To: amsat-bb@amsat
ISS SSTV Home work:
Hi all:
Marex is always trying to improve our Manned space flight projects.
I could use your help in analyzing the images coming from ISS.
Here are a few homework assignments for you
Assignment #1: WatchDog timer:
Try to video tape a full SSTV sequence from beginning to e
Note:
When the VHF-1 transmitter is Running, the Amateur Radio receivers in the
2-meter band will go deaf (Receiving on 145, 490, 145.200, 145.990).
This is because the Transmitting antenna for VHF-1 is less than 50 feet away
from the Amateur Radio antennas.
The VHF-1 transmitter is usually
ISS Amateur Radio Status: July 13, 2010
SpaceCam planed for July 15-16
By Miles Mann WF1F,
MAREX-MG News www.marexmg.org
Manned Amateur Radio Experiment
Hi everyone:
Notes from the Ariss blog
http://ariss-sstv.blogspot.com/
MAI-75 activation planned for July 15-16 (updated)
An activity to su
It’s the responsibility of ARISS to teach the ISS crews how to handle a pile up
and to teach them the correct exchanges.
ARISS has been successful in getting the ISS crews to pass their licenses.
ARISS has not successful in teaching the ISS crews how to use the Amateur Radio
equipment or the pro
Just about any 2-meter antenna will work, when the satellite is over head.
I have even worked ISS with a Rubber duck and a VX5R. (2-meter voice **).
The duration of your access window and quality of signal is determined by
antenna GAIN.
So to get your feet wet, use any antenna you can find, Zer
uplink change for JT65B.
Down has been 045+/-
SSB Uplink, was 050 - 060.
Today JT65B Uplink seems to be 044-050.
I just worked them on USB 432.044 JT65B
WF1F
--- On Sun, 4/18/10, Rick - WA4NVM wrote:
> From: Rick - WA4NVM
> Subject: [amsat-bb] Re: Arecibo now running JT65B
> To: "Amsat-bb"
FYI,
If you leave near some Military locations in the USA
You will have 50 watt PEP limitation.
The satellite mode of 611 ERP only applies to 435-438mc and not
the eme segment of 432
If you are out side of a military zone, then normal power rules apply.
§97.313 Transmitter power standards.
Hi all:
Here is a EME event you cant miss.
Dust off your CW key, its time for Satellite, QRP EME.
The 1,000 foot dish has 60 dBi on 432 mc and 400 watts.
That comes out to be approximately 243,902,443 Million Watts ERP.
enjoy
wf1f
www.marexgm.org
(thanks to KB1MGI for passing on this data)
A
Hi All:
I am glad you enjoyed my April 01, 2010 memo on Arrow EME.
It was written partially for Humor and for education.
Ill follow up soon with more tips on what you can do with your
existing 2 and 440 satellite systems.
Earth Moon Earth is within our Reach with JT65B.
73 Miles WF1F
www.mar
Good points Mark,
comments MM
--- On Thu, 4/1/10, Mark Lunday wrote:
> From: Mark Lunday
> Subject: RE: [amsat-bb] Arrow and EME?
> To: "'MM'" , AMSAT-BB@amsat.org
> Date: Thursday, April 1, 2010, 1:11 PM
> I have been doing some reading on
> this als
Arrow Antenna and EME:
It is possible to work Earth Moon Earth with an Arrow Antenna.
Of course, it is. You just need to make a schedule with someone on the other
side of the link with enough Antenna Gain. You also need to be running the new
digital text messaging mode called JT65B
Link for
wow, just missed him.
I was on 432.069 running JT65B off the moon at that time.
--- On Mon, 3/22/10, Bob- W7LRD wrote:
> From: Bob- W7LRD
> Subject: [amsat-bb] Fwd: [PNWVHFS] KP4AO Arecebo EME QRV NOW
> To: amsat-bb@amsat.org
> Date: Monday, March 22, 2010, 7:44 PM
>
>
> This email came ac
Dear Tom:
Thank you very much for reminding us of the Flex product line. They have
progressed a long way since the last time I looked into SDR. I will review the
specifications of the Flex-5000 very closely. It does appear to be clearly the
next generation of competition grade/satellite tra
Hi John,
My concern with adding 10 meters to a competition class VHF/UHF high end
satellite rig, is that the rig will turn into another mediocre HF rig with
VHF/UHF added on.
If we do start building Mode-A satellites in the future, then we can always
use Two radios, a dedicated HF and a High
My Ideal Competition Grade VHF/UHF Radio Wish list.
It seems we are long over do for a Competition grade high performance VHF/UHF
transceiver, which can also be used for Satellite operations. There are
several competition grade HF transceivers on the market, however there are no
high end comp
My concerns about the Icom IC-9100 are as follows:
When you add HF to a satellite radio you reduce the performance of the
satellite bands. What we want for Satellite, EME and DX Terrestrial is a very
high performance VHF/UHF receiver, with excellent sensitivity and selectivity.
We do not need
http://www.flickr.com/photos/milesmann/sets/72157615795065606/detail/
It was too cold to get out of bed at 4:30 am est today to see the shuttle
launch.
So here are some pictures of a Night Shuttle Launch, taken from Boston area on
March 15, 2009.
This is what the engines would have looked li
Hi Luc:
Your question was:
Why they don't put the ISS cross band repeater on?
Answer:
I assume you are referring to the Kenwood TM-D700 radio, when it is in
"Cross-Band" mode.
The TM-D700 is a good radio, but it was never designed to support the duty
cycle required by a full time "Cross-Band" r
We have lost our momentum:
Now that the ISS crew and use Email and Twitter to send two way images to
family and friends, we have less use for the idle Amateur Radio projects on
board ISS.
We have had Slow Scan TV on ISS since 2005!
However due to poor management by ARISS and two (2) defective
ft736r
That depends on the bird.
Let's start with a simple FM example.
Assume you want to work ISS FM packet . Up on 145.990 FM, down on 145.800 FM.
Use the satellite TX/RX mode knob.
Set Stat VFO-A to RX on 145.800 FM
set Sat VFO-B to TX on 145.990 FM
Set your Meter to FM center tuning mode.
P
Normal TNC protocol is commonly called AX.25.
The most common speed for satellite AX.25 is 1200 baud.
Occasionally 9600 baud.
A quick look at the Amsat page list 6 satellites currently running ax.25
Castor, Stars, KKS-1, Oscar-66, Oscar-65, and ISS.
There may be more, that was just a quick
Some of you have been asking:
"What does SSTV from the International Space Station sound like".
Here are a few examples of actual recordings from SSTV on ISS.
Here is a link for how to decode SSTV.
http://www.marexmg.org/fileshtml/howtoitv.html
SpaceCam1 Logo:
Robot 36 Format (SpaceCam1)
The VCH1 runs on Batteries:
The VCH1 Communicator is a microphone with a camera, that plugs into the
Kenwood TM-D700 transceiver. The camera requires four (4) AA batteries.
Without batteries the camera will not run.
The VCH1 will consume a full set of 4-batteries in 4-8 hours..
--- On
Slow Scan TV Stuff:
There are three different SSTV projects on ISS.
#1 Kenwood VCH1 Communicator (flight approved)
#2 PC based software called SpaceCam1 from Marexmg.org (flight approved)
#3 PC based software called MMSSTV (not flight approved)
Only the Kenwood VCH1 and Marex SpaceCam1 projects w
Yaesu FT-736R
Nothing comes close in FM and its also very good in SSB.
FM has 3 triple conversion RX and Normal and narrow FM filters.
Easy to use Sat mode switch for Doppler correction.
I have owned both Yaesu FT-736R and the Icom IC-910.
Yaesu FT-736R vrs IC-910
Easier to use.
Doppler corre
All of the current amateur radio hardware is FM only.
SSTV from ISS is FM-5k, 145.800 downlink.
The Doppler on 2meters is small, so you do not really have to
bother with Doppler.
http://www.marexmg.org/fileshtml/issimages.html
--- On Wed, 1/27/10, Randy wrote:
> From: Randy
> Subject: [am
Hi Bob:
Not sure by your description , what type of CP antenna you have.
Here is a link for the common old KLM.
http://download.qrz.ru/pub/hamradio/antenna/klm/KLM-2M-22C.pdf
You have 3 options.
1. Surf the web for info, on how to rebuild the box and water proof it.
2. Surf for tips on how best
Mir SSTV.
ISS Crew Time: MM
The Station is currently manned with 3 people. That number will be increasing
in 2009 to a crew of 5-6 (in theory). At the present time the ISS crew has no
free time.. It will be hard to add more Public Voice Access to ISS with a 3
man crew..
We hope Public Voice
Don’t Fly Suit-Sat to the
International Space Station
The International Space Station will be retired in 20015-2016.
We do not have much time left, before NASA pulls the plug!
We need your help to convince NASA, ESA and RSA to send more Long term
educational projects to ISS and to not se
Hello Frank and all.
From Miles Mann WF1F
Project Ideas:
I would like to tank Frank Bauer for reminding me to publish this part of the
memo.
I have several project ides for ISS Amateur Radio projects posted on my web
page. The ARISS team has shown little or no interested in these suggestions.
Marex
Miles Mann WF1F
Marex
w...@marexmg.org
August 25, 2009
Dear ARISS supporters:
I am writing to you because of the extremely poor track record that ARISS has
accumulated over the past 12 years regarding ISS hardware projects.
The only way to correct the problem and fix the Amateur Ra
project, but until we try we will
not know.
This project does not have to be an AMSAT project, we can make it a University
project.
Sincerely Miles WF1F
--- On Mon, 7/6/09, James French wrote:
> From: James French
> Subject: Re: [amsat-bb] ILN... Is this our future ride to the moo
Yes Exactly!
We need to form a proposal team that can evaluate the data to find out if an
EME-Repeater is viable.
Time is short.
First ask Experts if building a transponder for the Moon is feasible with
current technology.
If it were, How many Amateur radio operators would be able to afford
OGY]
>
> Subject: RE: [amsat-bb] Moon can cost less than HEO/GEO
> To: "MM" , "amsat-bb@amsat.org"
> Date: Thursday, July 2, 2009, 10:29 PM
> I realize this is still very early in
> the dreaming stage but it would be nice to start seeing some
> realistic pro
High orbit launch prices
It is hard to find exact values for the price per kilo to a geo-stationery
orbit. I did find a few old numbers on the web suggesting that around the year
2000 prices were approximately 25,000 to 35,000 USD per kilo. I can only
assume it will cost more today’s 2009 d
Hi W0JT:
I like your simple explanation of the path loss; it should help many understand
that an Active Repeater on the Moon will not require as big of an antenna
system as passive Moon EME station.
Now we just need to run the path loss numbers a few different ways to see which
Amateur Radio
Hi James:
I am in favor of any band that has the desired results. I just used the 2/440
bands as the opener. Remember the higher in frequency the less affordable the
system becomes and the fewer Amateur Radio operators and Short Wave listeners
will have access to those frequencies. We do no
gt; > move forward... We can put up all the leos we want,
> but until someone
> > makes something like B. Bruninga's cell concept work,
> we are only
> > going to have more of the same, We don't need more of
> the same!
> >
> > DE - KD1PE
> >
>
rs to the project.
WE need projects much faster than have been delivered in the past, 1-2 year
schedules not 10 year schedules.
Miles
--- On Thu, 7/2/09, Jack K. wrote:
> From: Jack K.
> Subject: Has anyone considered???
> To: bruni...@usna.edu, "'Joe'" , &qu
e Moon is our Future
> To: kd8...@aol.com, bruni...@usna.edu, "'Joe'" , "'MM'"
>
> Cc: amsat-bb@amsat.org, kg4...@gmail.com
> Date: Thursday, July 2, 2009, 8:48 AM
> I heard the same things when the
> first HEOs went up. It takes to much m
access to the most users?
A Moon repeater will never be accessible via a HT. And with the exception of
one (1) truck I saw, it will not be accessible to mobile SSB systems.
--- On Thu, 7/2/09, Joe wrote:
> From: Joe
> Subject: Re: [amsat-bb] The Moon is our Future
> To: "
-40.
--- On Thu, 7/2/09, Nigel Gunn G8IFF/W8IFF wrote:
> From: Nigel Gunn G8IFF/W8IFF
> Subject: Re: [amsat-bb] The Moon is our Future
> To: "MM"
> Cc: kg4...@gmail.com, amsat-bb@amsat.org, "Jack K."
> Date: Thursday, July 2, 2009, 8:56 AM
> There is not
Theoretically we may have a free ride to the Moon for an Amateur radio repeater!
In the past, the flight to the moon for a Amateur radio project has been cost
prohibitive. We just could not afford to pay for the ride to the Moon.
NASA is going to the moon with unmanned landers. NASA is open t
Hi Bob,
You comments are valid for 2-meters. You are not going to see much difference
between 15 feet of cheap coax and good coax. Howver, as you go higher in
frequency the losses increase.
On the 440 band the Coax Loss difference between 15 feet of RG-58 and LMR-240
is approximately 1 dB.
F
on 440
Coax:
You can now get Flexible thick coax that will support an antenna Rotor.
Most people used RG-8 style coax, which is approximately 10 mm in diameter.
However you can now get flexible rotor grade coax which is approximately 15 mm
in diameter, and has much lower loss than the best RG-8
support an antenna Rotor.
Most people used RG-8 style coax, which is approximately 10 mm in diameter.
However you can now get flexible rotor grade coax which is approximately 15 mm
in diameter, and has much lower loss than the best RG-8 style coax.
Example:
Belden RG-213
145 MHz 2.5 dB loss per
Hi all,
I am selling my Icom IC-910 satellite rig, with all the options listed.
Selling price $1800.00
The rig was in use for 6 months. Includes all of the needed options.
contact directly via the email address below.
73 Miles wf1...@comcast.net
http://www.icomamerica.com/products/amateur/9
Edward Cole" ,
> kq...@pacbell.net, amsat-bb@amsat.org
> Date: Thursday, April 23, 2009, 6:43 PM
> Just follow the suggestions on the web page that was
> suggested and you'll be fine.
>
> But I am curious as to where did you find the 1.25"
> fiberglass riod?
>
Thanks for all of the good information.
I am going to rebuild my Sat array this spring (its time for a routine
overhaul).
I have a M2 436CP42UG and the M2 CP22 at opposite ends of a 12’ (1.25”) solid
fiberglass pole. I am converting over to a 1.5” sold 14-foot fiberglass pole
to give me bet
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