EOSS-319/320 Westminster HS, Evergreen HS, & Westminster Middle Schools Flight - Recap

Evergreen HS Student Photo

EOSS-319 was launched from Deer Trail Colorado on Friday, January 28, 2022 at 7:27 am and recovered southeast of Karval Colorado at N 38.592º W 103.380º.  It carried payloads from Evergreen High School and reached a maximum altitude of 96,369 ft.

EOSS-320 was launched from Deer Trail Colorado at 8:22 am and recovered southeast of Karval Colorado at N 38.611º W 103.388º. It carried payloads from Westminster High School and Metro State University and reached a maximum altitude of 93,699 ft.

EOSS membership mileage reimbursement form. https://forms.gle/UGWgbFAfbTnLBKA37 

Original Announcement: 
  • 01-03-22: Payload Plans Rev D posted.
  • 01-20-22: We're on for Friday January 28th. Predicted skys and winds look good at this point. See the prediction link below.
  • 01-26-22: Change operational T&R frequency to CMRG 447.5500 PL 123.0.  No longer 448.100, breakfast posted as I-Hop, Limon, 6:15 am
  • 01-26-22:  Final (Rev E) Payload Plans posted

Two 3000g balloons (or four 1500g balloons) carrying Westminster and Evergreen High School science program payloads, and Middle School payloads; Westminster Academy of Internatiuonal Studies and Westminster STEM Academy payloads. Note that this is a Friday flight.The launch site is currently designated as Deer Trail, Colorado. Click here for maps and directions. Note that the launch site may change based on the predicted winds for launch day. Please watch this website (especially on Wednesday and Thursday for any changes).Predictions are located here. Make sure and refresh your browser for the current information. Scroll down to the date of your flight and click on the selected launch site

Event Date: 
Friday, January 28, 2022 - 00:00 to 23:45
Flight Coordinator: 
KCØRPS/KE7KCK
Launch Site: 
Grid: 
Last Chance X 20 Y 50 Grid Test: N 40.000 • W 103.000 X 51.3 Y 67.9
Flights: 

EOSS-319 Heavy - Westminster High School & Evergreen High School

A 3000g balloon carrying student-built payloads

If the skys are cloudy, the two 3000g balloons will be reconfigured into three 1500g balloons

Balloon Type: 
Totex 3000g Latex
Parachute: 
12-foot Rocketman
Beacons: 
Beacons
FrequencyCallsignTypeNotes
144.340 MHzAE0SS-12APRSPrimary, Timeslotted on 0:27 & 0:57
144.905 MHzKC0D-14APRS/DF/Remote ReleaseSecondary
Payload Plan: 

EOSS-320 Heavy - Westminster HS, Westmister Academy of International Studies, & Colorado STEM Academy Payloads

A 3000g balloon carrying science payloads built by Middle School students.

If the sky is cloudy on launch day, the two 3000g balloons with be reconfigured into three 1500g balloons:

Balloon Type: 
Totex 3000g Latex
Parachute: 
12-foot Rocketman
Beacons: 
Beacons
FrequencyCallsignTypeNotes
144.340 MHzAE0SS-13APRSPrimary, Timeslotted on 0:07 & 0:37
145.645 MHzKC0D-1APRS/DF/Remote ReleaseSecondary
Payload Plan: 
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:
        • 447.5500 MHz (-5 MHz Offset, 123.0 Hz PL Tone) CMRG repeater

        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)

DMR

RMHAM DMR “Wide" along with EOSS deployable

2M Direction Finding Frequencies for these flights:

  • 144.340
  • 144.905
  • 145.535
  • 145.645
  • 145.765

 

Tactical Calls: 
TacticalCall SignNameNotes
AlphaWA0GEHMarty
BravoW9CN, N0JPSMike, John
CharlieKB0YRZChris
DeltaK0SCCStephen
EchoK0BRA, N0RPF, W0VGDoug, Rob, Joh Maxwell
FoxtrotKe7KCKTom (FC on flight day)
GolfWG0EColin
Ground StationN2XGL, K5JK, KB0TVJJeff, Tom, Russ
YankeeKE0YALBrad
IndiaK0LOB, KD7ORO Jim, Steve
JulietN6BAJeff
MikeN0FTISteve
NovemberW0NFWGeorge
TangoKC0L, K5PUPJohn, Eileen, Texas
TR Breakfast: 
IHOP in Limon, 6:15, Confirmed, be safe, look for snow on roads.