diff options
| -rw-r--r-- | doc/aprs-operation.inc | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/doc/aprs-operation.inc b/doc/aprs-operation.inc index 9b1d91eb..09f929d0 100644 --- a/doc/aprs-operation.inc +++ b/doc/aprs-operation.inc @@ -26,10 +26,9 @@ the receiver. By default, the SSID is set to the last digit of the device serial number. - The APRS packet format includes a comment field that can have - arbitrary text in it. AltOS uses this to send status - information about the flight computer. It sends four fields as - shown in the following table. + The APRS packet format includes a comment field that + can have arbitrary text in it. AltOS uses this to send + status information as shown in the following table. .Altus Metrum APRS Comments [options="header",cols="1,1,3"] @@ -48,6 +47,8 @@ |B4.0 |Altimeter Battery Voltage + ifdef::altusmetrum[] + |4 |A3.7 |Apogee Igniter Voltage @@ -59,8 +60,19 @@ |6 |1286 |Device Serial Number + + endif::altusmetrum[] + ifdef::telegps[] + + |4 + |1286 + |Device Serial Number + + endif::telegps[] + |==== + ifdef::altusmetrum[] Here's an example of an APRS comment showing GPS lock with 6 satellites in view, a primary battery at 4.0V, and apogee and main igniters both at 3.7V from device 1286. @@ -68,13 +80,25 @@ .... L6 B4.0 A3.7 M3.7 1286 .... + endif::altusmetrum[] + + ifdef::telegps[] + Here's an example of an APRS comment showing GPS lock with 6 + satellites in view and a primary battery at 4.0V from device 1876. + + .... + L6 B4.0 1876 + .... + endif::telegps[] - Make sure your primary battery is above 3.8V, any - connected igniters are above 3.5V and GPS is locked - with at least 5 or 6 satellites in view before - flying. If GPS is switching between L and U regularly, - then it doesn't have a good lock and you should wait - until it becomes stable. + Make sure your primary battery is above 3.8V + ifdef::altusmetrum[] + any connected igniters are above 3.5V + endif::altusmetrum[] + and GPS is locked with at least 5 or 6 satellites in + view before flying. If GPS is switching between L and + U regularly, then it doesn't have a good lock and you + should wait until it becomes stable. If the GPS receiver loses lock, the APRS data transmitted will contain the last position for which |