GPS/PRECISION FARMING EQUIPMENT CALIBRATION

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--- PRE-CALIBRATION ASSESSMENT & PLANNING ---
[ ] Last Calibration Date
[ ] Brief Description of Equipment Usage Since Last Calibration
[ ] Equipment Type (Tractor, Combine, Sprayer, Planter, Other)
[ ] Hours of Operation Since Last Calibration
[ ] Observed Issues or Concerns Prior to Calibration
[ ] Calibration Method (Manual, Automated/Software-Driven, Combination)
[ ] Upload Previous Calibration Records (if available)

--- GPS RECEIVER CALIBRATION ---
[ ] GPS Antenna Elevation Angle (Degrees)
[ ] GPS Receiver Firmware Version
[ ] Differential Correction Source (e.g., RTK, DGPS, WAAS) (RTK, DGPS, WAAS, Other)
[ ] Baseline Length (for RTK systems, in meters)
[ ] Notes on Initial Signal Strength & Satellite Visibility
[ ] Time Since Last Calibration (Days)
[ ] Antenna Connection Type (SMA, TNC, Other)
[ ] Date of Calibration

--- GUIDANCE SYSTEM CALIBRATION (STEERING/IMPLEMENT) ---
[ ] Steering System Offset (cm)
[ ] Implement Working Width (m)
[ ] Steering System Type (Autosteer, Manual Steering with Guidance Lines)
[ ] Implement Track Offset (cm)
[ ] Guidance Mode (Point to Point, Swath Following, Free-hand)
[ ] Describe any observed steering drift or inaccuracies.
[ ] Last Calibration Date of Steering System
[ ] Implement Speed Calibration Factor

--- VARIABLE RATE APPLICATION (VRA) CALIBRATION ---
[ ] Target Application Rate (lbs/acre or similar)
[ ] Ground Speed During Calibration (mph or km/h)
[ ] Calibration Flow Rate (gallons/minute or liters/minute)
[ ] Nozzle Spacing (inches or centimeters)
[ ] Application Method (Sprayer, Planter, Fertilizer Applicator, Other)
[ ] Describe Calibration Procedure Followed (e.g., catch can method, simulated field)
[ ] Actual Application Rate (lbs/acre or similar) â€“ Post Calibration
[ ] Calibration Adjustment Required? (Yes, No)
[ ] Notes on Calibration Results & Adjustments Made

--- SENSOR CALIBRATION (YIELD/MOISTURE/NDVI) ---
[ ] Yield Monitor Clean Grain Loss Percentage (Set Point)
[ ] Yield Monitor Moisture Setting (for grain type)
[ ] Yield Monitor Test Weight Setting
[ ] Describe the calibration procedure for the yield monitor (including grain standards used)
[ ] Moisture Sensor Calibration Factor (if adjustable)
[ ] Moisture Sensor Type (e.g., Capacitance, Dielectric) (Capacitance, Dielectric, Other)
[ ] NDVI Sensor Calibration Offset (if adjustable)
[ ] Record any observed anomalies during sensor calibration
[ ] Date of Sensor Calibration

--- FIELD VERIFICATION & ACCURACY TESTING ---
[ ] Verification Field Location
[ ] Known Distance (e.g., Swath Width)
[ ] Measured Distance (GPS System)
[ ] Distance Error (Measured - Known)
[ ] Swath Overlap (if applicable)
[ ] Guidance Line Straightness Assessment (Visual) (Excellent, Good, Fair, Poor)
[ ] Observations & Notes on Field Performance
[ ] Date of Field Verification
[ ] Overall Accuracy Result (Acceptable, Needs Adjustment, Unacceptable)

--- DOCUMENTATION & RECORD KEEPING ---
[ ] Calibration Date
[ ] Calibration Start Time
[ ] Equipment Serial Number
[ ] Calibration Procedures Performed (Detailed Notes)
[ ] GPS Accuracy (Horizontal)
[ ] GPS Accuracy (Vertical)
[ ] Calibration Method Used (RTK Base Station, WAAS, SBAS, Other (Specify))
[ ] Notes/Observations
[ ] Calibration Data Files (e.g., logs, screenshots)
[ ] Calibrator Signature

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