Steve Oncley measured the power draw of a station with a Licor 7500 station (1) and with a krypton station (2):
stn | log entry | volts | amps | watts |
|---|---|---|---|---|
1 |  | 13.6 | 1.44 | 19.6 |
2 | | 13.8 | 0.98 | 13.5 |
A CWEX station consists of:
- Viper CPU, compact flash, usb flash drive
- 1 8 port Diamond Emerald serial card
- Diamond pc104 power supply
- 1 CSAT3, reporting at 20Hz, non-oversampled mode (Ac)
- either
- Licor 7500, reporting at 20Hz
- Serializer in CSAT3 electronics, with CSI Krypton
- Vaisala barometer
- GPS
- two TRH's with fans
- 1 RMY prop
- Wisard base mote
- Cradlepoint CTR350 router, with wifi disabled
- Verizon USB760 cellular modem
The stations are transmitting continuously over the cellular modem.