| PhG |
The level of a contaminant in drinking water below which there is no known or expected risk to health. PHGs are set by the California Environmental Protection Agency.
출처: www.ccwater.com/waterquality/defin.asp
|
|---|---|
| PhG |
APRS Data Extension specifying Power, Effective Antenna Height/Gain/Directivity.
출처: vk5.aprs.net.au/aprs/terms.htm
|