WeatherMapRequest
| Frame
|
{{{frame}}}, field {{{field}}}
|
| Member
|
{{{member}}}
|
| Direction
|
Client → server
|
| Session
|
Control
|
| Roles
|
|
| Permission
|
None
|
| Answered by
|
WeatherMapResponse
|
| Answers
|
|
| Defined in
|
|
WeatherMapRequest asks for a raster of the simulated tropospheric weather over an area. Tropospheric conditions, especially ducting, rain and cloud, affect VHF, UHF and microwave propagation. The server answers with WeatherMapResponse.
Layout
| Field |
Type |
Description
|
packetId |
u8 |
Always 8.
|
centerLatitudeDeg |
f64 |
Centre latitude, −90 to 90.
|
centerLongitudeDeg |
f64 |
Centre longitude, −180 to 180.
|
latitudeSpanDeg |
f64 |
Height of the area in degrees, greater than 0 and at most 180.
|
longitudeSpanDeg |
f64 |
Width of the area in degrees, greater than 0 and at most 360.
|
width |
i32 |
Raster columns, 2–128.
|
height |
i32 |
Raster rows, 2–64.
|
type |
UTF |
Quantity to map. See below.
|
Map types
type |
Quantity |
Unit
|
DUCT_STRENGTH |
Strength of the strongest tropospheric duct (drop in modified refractivity); 0 where there is none |
M-units
|
RAIN_RATE |
Rain rate |
mm/h
|
CLOUD_WATER |
Cloud liquid water content |
g/m³
|
SURFACE_TEMPERATURE |
Air temperature at the surface |
°C
|
LIGHTNING_RATE |
Lightning flash rate |
flashes/min
|
Behaviour
Heavy request, no permission needed. Invalid values close the connection.
