Technical Notebook - Charts
Here you will find Charts and tables for electronics and mechanics
| Title | Description | Source |
|---|---|---|
| Thread comparison | A comparison between different Thread Sizes. Imperial and Metric |
Data obtained from various sources |
| Spanner comparison | A comparison between different Spanner Sizes. Imperial and Metric |
Origin unknown Contributed by: Roy G3ASH |
| Tapping drills | Chart to determine Tapping / clearance drills. Invaluable in the workshop |
Data obtained from various sources |
| US Conversion Charts | Various Misc' mechanical conversions All you ever needed, and more. |
Unknown Source |
| Q Codes | Abbreviations used in radio comm's (esp' Morse) |
Unknown Source |
| RST Codes | Abbreviations used in radio comm's (to determine quality of transmission) |
Unknown Source |
| Lighting Levels | Equivalent lighting levels | John G8MNY |
| Sound Levels | Equivalent Sound levels | John G8MNY |
| dB ratio's | Power & voltage dB ratio's | John G8MNY |
| Frequency Listing. | Slow download (150Kb) but loads of info! | www.wibble.co.uk |
| Technical Data. | Loads of useful resources. Valves, Transistors, etc. (External Site.) |
www.technicaldata.co.uk |
| Battery Cross reference. | Battery Cross-reference. With Tech' details too. |
Steve G0KVZ |
| IP Rating. | Ingress Protction ratings. | All over (public domain) |
| Military Airbase Info Chart. (PDF) | Radio frequencies. for military airbases. |
Var (Public domain) |
| Phonetic Alphabet. | NATO Phonetic Alphabet. Over the years. |
Var (Public domain) |