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CSV Files

CSV (Comma-Separated Values) is a universal plain-text format that Network Survey uses to log survey data. CSV files can be opened in spreadsheets, databases, and analysis tools. NS CSV files can also be imported into NS Analytics.

What is CSV?

Section titled “What is CSV?”
  • Format: Plain text, comma-delimited
  • File Extension: .csv
  • Structure: One row per record, columns for fields
  • Header Row: First row contains field names
  • Compatibility: Universal (Excel, Google Sheets, Python, R)

File Naming

Section titled “File Naming”

Network Survey creates separate CSV files for each cellular network type and technology:

Cellular:

craxiom-gsm-YYYYMMDD-HHMMSS.csv
craxiom-cdma-YYYYMMDD-HHMMSS.csv
craxiom-umts-YYYYMMDD-HHMMSS.csv
craxiom-lte-YYYYMMDD-HHMMSS.csv
craxiom-nr-YYYYMMDD-HHMMSS.csv
craxiom-phonestate-YYYYMMDD-HHMMSS.csv
craxiom-cdr-YYYYMMDD-HHMMSS.csv

Other Technologies:

craxiom-wifi-YYYYMMDD-HHMMSS.csv
craxiom-bluetooth-YYYYMMDD-HHMMSS.csv
craxiom-gnss-YYYYMMDD-HHMMSS.csv
craxiom-devicestatus-YYYYMMDD-HHMMSS.csv

CSV Structure

Section titled “CSV Structure”

Header Row: Field names (first row) Data Rows: Survey records (one per line) Delimiter: Comma (,) Text Qualifier: Double quotes (") for fields containing commas

Example LTE CSV:

# Created by Network Survey version=1.43-cdr
# CSV Version=0.4.0
deviceTime,latitude,longitude,altitude,speed,accuracy,missionId,recordNumber,groupNumber,mcc,mnc,tac,eci,earfcn,pci,rsrp,rsrq,ta,servingCell,lteBandwidth,provider,signalStrength,cqi,slot,snr,deviceSerialNumber,locationAge
2025-10-10T13:58:27.603261-04:00,37.7749,-122.4194,15.58,0,22,NS 1234abc12e56789f 20251010-135821,1,2,310,260,12345,12345678,750,36,-112.0,-9.0,39,true,MHZ_10,T-Mobile,-61.0,11,,-1.0,1234abc12e56789f,4916

The full list of possible fields captured by NS is defined in the NS Message API Documentation.

Section titled “Related”