Blue Lines and Gradients - Montrose Amateur Radio Club

Working Amateur Satellites
Jim Adams – AA0CW
All you need is a dual band ht and
hand held antenna!
Sputnik launched by USSR in
1957
I was 6 years old.
1961 U.S. Amateur Radio
launched OSCAR
Orbiting Satellite Carrying Amateur Radio
Launched December 12, 1961 on a Thor rocket
Stayed in orbit for 22 days
Sent Morse code message HI HI
Power was a whopping 140 mw on 145mhz
570 hams in 28 countries copied the signal
Cost - $68.00
Easy to work FM satellites
Recording of AO27 no longer in orbit made in 2010 with a Yaesu
ft60 ht and Arrow handheld antenna
The common fm satellites for amateur radio are now all dead in space.
AO27 AO51 HO68 HO67 all gone.
SO50 is the only current active fm satellite operating at 145.850 up
and 436.795 down with a tone of 67.0
More FM satellites are being launched in the future!
1. Open squelch all the way
2. LISTEN
3. Do NOT call CQ Satellite
New fm satellites being launched
How do I find the satellites?
Change in frequency Downlink Correction Uplink
Correction
Computer programs such as
Satscape or Orbitron. Install to
your PC, iPAD, or smart phone.
Programming your ht for SO-50
NAME
XMIT
TONE
RCV – NOTICE SHIFT FOR DOPPLER
50A1
50A2
50MID
50L1
50L2
145.850
145.850
145.850
145.850
145.850
TONE 67.0
TONE 67.0
TONE 67.0
TONE 67.0
TONE 67.0
436.805
436.800
436.795
436.790
436.785
TO TURN SATELLITE ON
50-ON 145.850
TONE 74.4
436.759 TRANSMIT 2 SECONDS
Launched December 12, 2002 by Saudi Arabia
Power 250mw
On for 9 minutes at a time
In orbit 562 miles elevation traveling 17,500mph
All about Grid Squares
Contacts are FAST!
Your call sign and Grid
Square is all you need.
Did I say JUST satellites?
●
How about talking to the International Space
Station!
Col Doug Wheelock KF5BOC using ham
radio on the ISS
145.800 mhz down / 144.490 mhz up
I glued macaroni on a cigar box
Sked deployment from ISS 05/16
437.800 mhz
VA elementary school students designed
and built a satellite that will send Slow
Scan TV – ELEMENTARY SCHOOL!
STMSat-1
There are satellites that transmit Slow
Scan TV, Packet, CW, and SSB
Slow Scan TV images
captured from the International
Space Station
New FM satellites being launched
FOX 1A in orbit as AO-85
Transmits with 500mw
435.180 UP
145.980 DOWN
67.0 TONE
Size 4” Weight 3 lbs
COST $100,000.00
ACTUAL SIZE
What about the antenna?
Home made tape measure
Arrow antenna about $100
Wood stick and coat hanger
Spend as little or as much as you
want
When you win the lottery...
HAVE FUN!
Dual band HT and Arrow hand held
antenna.
Total cost $150.00
Made contacts in every state except
Hawaii. Also contacts in Alaska, Puerto
Rico, Canada, Mexico, Columbia,
Honduras and Cuba.
With a ONE WATT ht and handheld
antenna!.
More Information
●
http://www.work-sat.com/Work-Sat/Home.html
●
http://www.amsat.org/
●
http://www.issfanclub.com/
●
http://www.papays.com/sat/general.html
●
http://starcommgroup.org/
●
Qrz.com and eham.com forums
And finally...
●
Don't work portable in a thunderstorm!