EOSS-318 Colorado Space Grant Consortium DemoSats - Recap

Tom Londrigan (KE7KCK)'s picture
Submitted by Tom Londrigan (... on Sun, 10/31/2021 - 11:01

EOSS-318 was launched from Deer Trail Colorado as a single 3000g balloon with payloads from Colorado Space Grant Consortium college.  All payloads were recovered east of Kirk Colorado.  The balloon reached  106,023 ft maximum altitude.

 

Recap Gallery: 
Original Announcement: 

One 3000g balloon and one 1500g balloon or three 1500g balloons carrying DemoSats and BUFF payloads.  If cloud cover prevents flying 3000g balloons, the flights will split into 3 1500 gram balloons.

EOSS-318 Lite Payload Plan Rev A

EOSS-320 Lite Payload Plan Rev A

Event Date: 
Saturday, November 6, 2021 - 00:00 to 22:45
Flight Coordinator: 
KE7KCK
Launch Site: 
Deer Trail
Grid: 
Grid location is Last Chance X 20 Y 50 Grid Test: N 40.000 • W 103.000 X 51.3 Y 67.9 Heavy Predict: 4 mi W of Joes (NS CR-L & EW CR-7) (X 72.0 Y 45.6) Lite Predict: 3 mi NW of Joes (NS CR-E & EW CR-8) (X 66.0 Y 46.3)
Flights: 

EOSS-318

One Heavy 3000g balloon for Colorado Space Grant Consortium

Balloon Type: 
3000g latex
Parachute: 
12 ft Rocketman Orange/Green
Beacons: 
FrequencyCallsignTypeNotes
144.905 MHzKC0D-14APRS/Release/DF
144.340 MHzAEØSS-12APRS / Digi
Payload Plan: 
PDF icon EOSS 318 Heavy Payload Plan Rev A.pdf

EOSS-319

Balloon Type: 
1500g latex
Parachute: 
12 ft Rocketman Orange/Green
Beacons: 
FrequencyCallsignTypeNotes
145.535 MHzKC0D-3APRS/Release/DF
144.340 MHzAEØSS-13APRS / Digi
Payload Plan: 
PDF icon EOSS 319 Lite Payload Plan Rev A.pdf
FrequencyList: 

EOSS Preflight Net @ 7 PM Mountain Time preceding night:
        •  449.225 MHz (-5 MHz Offset, 141.3 Hz CTCSS) Rocky Mountain Ham Radio (RMHAM) Repeater and EchoLink *CANONCTY* conference and the Fun Machine linked system
        • 146.940 MHz (-600 KHz Offset, 103.5 Hz CTCSS) Rocky Mountain Radio League (RMRL) Repeater if the RMHAM machine is down
        • 146.640 MHz (-600 KHz Offset, 100.0 Hz CTCSS) Denver Radio League (DRL) Repeater will serve as a backup to the backup repeater 

Launch Site:
        • 446.050 MHz Simplex  
        (Note that some radios assume these are repeater frequencies and attempt to put a 5 MHz offset in the transmit frequency automatically)

Track & Recovery Operations:
        Repeaters:
        • 449.450 MHz (-5 MHz Offset, 103.5 Hz Tone) RMRL repeater (Assuming we are flying out of Windsor).
        • 448.450 MHz (-5 MHz Offset, 100.0 Hz Tone) PPFMA repeater (Assuming we are flying out of Deer Trail).

        Simplex Frequencies:
        • 446.100 MHz Balloon #1 Field Simplex 
        • 446.150 MHz Balloon #2 Field Simplex
        • 446.200 MHz Balloon #3 Field Simplex
        • 446.275 MHz Car to Car drive out Simplex
        (Note that some radios assume these are repeater frequencies and attempt to put a 5 MHz offset in the transmit frequency automatically)

        Legacy 2M Simplex Frequency (not generally used due to desense/interference issues with the 2M APRS packets)
        • 146.550 MHz Simplex

2M Direction Finding Frequencies:

  • 144.340
  • 144.360
  • 144.905
  • 145.535
  • 145.645
  • 145.710
  • 145.765

 

Tactical Calls: 
TacticalCall SignNameNotes
AlphaWA0GEH, KC0DMarty, Mark
BravoW9CN, N0JPSMike, John
EchoK0BRA, N0RPFDoug, Rob
FoxtrotKE7KCKTom
Ground StationK5JK, N2XGL, KB0TVJTom, Jeff, Russ
HotelKB0YRZChris
IndiaK0LOB, W0XLDJim, LD
JulietN6BAJeff
KiloN0NDM, W0CBHLarry, Benjie Limited participation
MikeN0FTISteve
RomeoKC0RPS, W0GVJim, Gerry
TangoKC0L, K5PUPJohn, Eileen, Texas
SierraKEØGKIBernadette, CSGC Sponsor
TR Breakfast: 
The EOSS 318 Tracker Breakfast will be at 6:30 AM @ IHOP @ Flying J Truck stop Weather forecast for Deer Trail at 0730 MDT (1330 UTC) Saturday: Partly cloudy skies, cloud cover 40%, visibility unlimited Temperature 40 dew point 24, wind SW at 6