Description
Convert a supplied GNSS record clock difference to constant-speed along-track displacement without device access.
Precision-agriculture measurements combine spatial cells, sensor clocks, travel speeds, band signals, and application records. A correction or weighted share is meaningful only when coordinate frames, units, timestamps, and coverage bases agree. Supplied calibration and support flags remain distinct from measurements that establish them.
Convert a supplied GNSS record clock difference to constant-speed along-track displacement without device access.
When to use this tool
Use GNSS Track Time SLIP when you have the stated field, sensor, map, or application records and need this correction or geometric/accounting component.
How to use the tool and how it works
- Enter recordedAt, referenceAt, speed. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read timeSlip, alongTrackSlip. Use the output convention below.
For nonnegative speed return timeSlip=recordedAt-referenceAt and alongTrackSlip=timeSlip*speed.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| recordedAt | Recorded At | Required. Finite number. |
| referenceAt | Reference At | Required. Finite number. |
| speed | Speed | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| timeSlip | Time Slip | Required. Finite number. |
| alongTrackSlip | Along Track Slip | Required. Finite number. |
{
"input": {
"recordedAt": 12,
"referenceAt": 10,
"speed": 3
},
"output": {
"timeSlip": 2,
"alongTrackSlip": 6
}
}Limitations and assumptions
- Timestamps need one origin and time unit, matching the speed denominator. The signed displacement assumes constant speed along the track, not a reconstructed GNSS position.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Signed zero is exported as zero.
Alternative or Complementary methods
Verify the measurement calibration, coordinate frame, spatial support, and clock convention before combining this term into a map or control workflow. Use a complete equipment or field model when geometric and operating constraints matter.
References
Similar or alternative tools
- GNSS Clock Offset Track Displacement
Convert one explicit clock offset, constant speed and clockwise-from-north heading to signed east/north displacement; no live location or machine control.
- Precision Pass Guidance Cross Track Gap
Remaining margin to a supplied guidance corridor, not estimation of cross-track error.