1. [10001] Delay time Information Blockette (35 bytes) Name: Blockette Type: Delay time Information Blockette 10001 NoteField nameTypeLengthMask or Flags BBABBBBBBBBBBABBBBBBBB Blockette type - 10001 Length of blockette type Data transferred path Delay time to instrument Delay time to node Time difference with GPS Time correction to raw data Unit of the item 4 Unit of the item 5 Unit of the item 6 Reserved bytes 1 2 3 4 5 6 7 8 9 10 11 2224444444122244444441 Notes for fields: 4 LONG: Transfer delay time to instrument. Unit is written in field 8. 2 UWORD: Byte number of next blockette. 3 CHAR*2: Data transferred path of cable route. Route AA, B1, …, etc. 1 UWORD: Blockette type [10001]: Time-delay information blockette. 5 LONG: Transfer delay time to station network node. Unit is written in field 9. 6 LONG: Time difference between GPS and record. Unit is written in field 10. 8 FLOAT: Frequency (Hz) corresponding to the unit of the field 4. 9 FLOAT: Frequency (Hz) corresponding to the unit of the field 5. 10 FLOAT: Frequency (Hz) corresponding to the unit of the field 6. 11 UBYTE: Reserved; do not use. 7 LONG: Time correction applied in the record start time. Same value as the field 16 in the Fixed Section of Data Header. Unit is 100 micro second.

2. 2 [10050] Quartz Pressure Blockette (61 bytes) Name: Blockette Type: Quartz Pressure Blockette 10050 NoteField nameTypeLengthMask or Flags BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB Blockette type - 10050 Length of blockette type Temperature coefficient U0 Temperature coefficient Y1 Temperature coefficient Y2 Temperature coefficient Y3 Pressure coefficient C1 Pressure coefficient C2 Pressure coefficient C3 Pressure coefficient D1 Pressure coefficient D2 Pressure coefficient T1 Pressure coefficient T2 Pressure coefficient T3 Pressure coefficient T4 Pressure coefficient T5 Reserved bytes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 2244444444444444122444444444444441

3. 3 17 UBYTE: Reserved; do not use 12 FLOAT: Coffecient of pressure: T1. Unit is micro-second. 13 FLOAT: Coffecient of pressure: T2. Unit is micro-second per micro-second squared. 14 FLOAT: Coffecient of pressure: T3. Unit is micro-second per micro-second squared. 15 FLOAT: Coffecient of pressure: T4. Unit is micro-second per micro-second cubic. 16 FLOAT: Coffecient of pressure: T5. Unit is dimensionless. Notes for fields: 2 UWORD: Byte number of next blockette. 1 UWORD: Blockette type [10050]: Quratz pressure gauge blockette. 3 FLOAT: Coffecient of temperature: conversion coefficient U0 to physical value for quartz pressure gauge by Paroscientific, Inc. Unit is micro-second. 4 FLOAT: Coffecient of temperature: Y1. Unit is degree C per micro-second. 5 FLOAT: Coffecient of temperature: Y2. Unit is degree C per micro-second squared. 6 FLOAT: Coffecient of temperature: Y3. Unit is dimensionless. 7 FLOAT: Coffecient of pressure: C1. Unit is psia. 8 FLOAT: Coffecient of pressure: C2. Unit is psia per micro-second. 9 FLOAT: Coffecient of pressure: C3. Unit is psia per micro-second squared. 10 FLOAT: Coffecient of pressure: D1. Unit is dimensionless. 11 FLOAT: Coffecient of pressure: D2. Unit is dimensionless.