26042511 DFM

NWS · Landed Recovered · launched from Springfield, Springfield Regional Airport (United States) · last heard

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724 m
Altitude now
33,260 m
Highest
169 min
Time tracked
5.2 m/s
Average climb
8.5 m/s
Average descent
89 km
Drift, launch to landing
Telemetry Now
The last telemetry received.
Recovery
Recovered by Jessica Harley · 2026-10-07 14:19 UTC · reported with sondehub.org/found
The balloon appeared shredded but the parachute is in great shape. The long string was not tangled in anything and was found on the side of the highway. The radiosonde appears to be in great shape as well with no damage.
36.96440, -92.45845

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Flight Details
Serial26042511
TypeGraw DFM (DFM17)
Frequency400.400 MHz
SourceNWS
Launch siteSpringfield, Springfield Regional Airport (United States) (72440)
Launched at 37.238, -93.402, 567 m
Burst33,260 m at , 106 min after launch
Landed36.9638, -92.4560, 666 m
Messages heard68950
Last heard bylooking...
Heard by
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Heard By
Choose Sort by, or click a heading. The signal is each station's latest reading and changes while the balloon is in the air. Direction, elevation and distance from a station are shown only where its owner shares its position.
Receiving StationSignal NowBest SignalFrequencyMessagesDirectionElevationDistanceLast Heard
N0ENH7.6 dB30.0 dB400.400 MHz8132---1274704 s ago
W0JOE-xx5.8 dB32.9 dB400.400 MHz8092---1274852 s ago
N0YOX--400.402 MHz7978---1275977 s ago
NG5P_North_er_Duex6.4 dB27.1 dB400.400 MHz7542---1275008 s ago
N0ENH / INDOORS--400.400 MHz7058---1274964 s ago
KU5J6.3 dB23.2 dB400.400 MHz6242---1275710 s ago
SGFEB--400.400 MHz5804---1275763 s ago
WQ0P5.4 dB16.5 dB400.402 MHz5258---1276587 s ago
AE5AU6.0 dB18.4 dB400.400 MHz4164---1275861 s ago
K5OGR6.9 dB17.7 dB400.400 MHz1750---1276226 s ago
NG5P6.0 dB17.8 dB400.399 MHz1688---1276424 s ago
W5NGU-GuinnHall4.6 dB17.1 dB400.400 MHz1680---1277878 s ago
N5LSN6.3 dB13.1 dB400.400 MHz1020---1277162 s ago
KD0CRS7.4 dB17.2 dB400.402 MHz964---1277061 s ago
W0JW6.7 dB10.2 dB400.400 MHz908---1279180 s ago
KE0ZZO6.1 dB11.7 dB400.402 MHz316---1278352 s ago
K0IY7.7 dB13.8 dB400.400 MHz310---1277845 s ago
W5FOW Plaza7.7 dB11.2 dB400.400 MHz44---1279917 s ago
Charts
Move the pointer over a chart to read it. Time is minutes from the first position stored.

Altitude

Height above sea level (m) by time since launch

Climb and Descent Rate

Vertical speed (m/s): up is positive

Temperature and Dew Point by Height

Air temperature and dew point (°C) on the way up   ■ Temperature   ■ Dew point

Humidity by Height

Relative humidity (%) on the way up

Wind by Height

Horizontal speed of the balloon (km/h), which is the wind that carries it

Pressure

Air pressure (hPa) by time since launch

Signal and Battery

Strength of the signal at the best station (dB) and the sonde's battery (V)
Skew-T Diagram

Temperature and Dew Point Against Pressure

The atmosphere the balloon measured on the way up: temperature (red) and dew point (blue) against pressure. Radiosonde humidity and temperature sensors are not calibrated by the receivers, so treat the values as indicative.

Telemetry: SondeHub, Creative Commons BY-SA 2.0. Telemetry is uploaded by volunteers' receiving stations to SondeHub and shared under the Creative Commons BY-SA 2.0 license; what you download from this page carries the same license.