DAVIS WeatherLink User Manual download pdf (Page 6)

Streaming Data Logger Functionality &

Troubleshooting

The APRS streaming data logger compiles a character string consisting of

the following:

ASCII character “@”,

The date and time on a 24 hour clock in the following format: Day of

Month, Hour, Minute, where each value is a 2 digit number.

Lower case “z”,

Latitude/longitude “position” string: 4903.50N/07201.75W_.

Scalar average wind direction (in degrees) over one minute

(reported as 000 if the average wind speed is zero);

Forward slash “/”,

Sustained one-minute wind speed (in mph);

Lower case “g”,

Gust (peak wind speed in mph in the last 5 minutes);

Lower case “t”,

Temperature (in degrees Fahrenheit). Temperatures below zero are

expressed as -01 to -99;

Lower case “r”,

Rainfall (in hundredths of an inch) in the last hour,

Lower case “p”,

Rainfall (in hundredths of an inch) in the last 24 hours,

Upper case “P”,

Rainfall (in hundredths of an inch) since midnight,

Lower case “h”,

Humidity (in %. 00 = 100%), omitted if missing;

Lower case “b”,

Barometric pressure (in tenths of millibars/tenths of hPa), omitted if

missing;

The letter “L”, (upper case if solar radiation is below 1000, lower

case if solar radiation is between 1000 and 1999), omitted if

missing,

Solar Radiation (in watts per square meter) last 3 digits (see above),

omitted if missing,

The following character string inside the quotes (including the

leading period): “.DsVP“. This will indicate that a Davis Vantage

Pro is sending the APRS data packet with its own proprietary

device.

Carriage Return character

Line Feed character

Upon powering up the console, the data logger will report rain over the last

hour and the last 24 hour rain initially as zero and any cumulative rainfall

after power up for the first hour and first 24 hours, respectively. Also, if data

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DAVIS WeatherLink User Manual Page 6