So, here is the basic layout of my tracking system:
(The top section is part of the balloon payload, and
bottom is on the ground with me :)
GPS+GSM MICRO
----- ----- RADIO TX
| | RS232 | | SIM. RTTY ------------- |
|Telit|--------| PIC |-----------| Radiometrix | |
|GE863|--------| 18F |-----------| NTX2 |--| 434.6
| | | | ------------- MHz
----- | | RTTY
| |
| |
| ADC|---|Baro External
| ADC|---|Temp Internal
| ADC|---|Temp External
Buzzer|---| |
-----
CELL AOR8200
PHONE NETBOOK RADIO |
------ -------------------- ----- |
| | | dl-fldigi | | |--|
| SMS: | | |---------|434.6|
| GPS | | decoding 50 BAUD | AUDIO | MHz |
| POS. | | RTTY string | | |
| | | | | USB |
------ | TIME,POS,ALT,FIX | | |
| | | |
-------------------- -----
/ .................. /
/ .................. /
/ .................. /
/ /
---------------------
The main components:
1. GPS+GSM Module (Telit GE863)
2. Microcontroller (PIC18F2520)
3. Radio transmitter (NTX2)
4. Radio receiver (AOR8200)
5. Netbook running dl-fldigi
6. Cell phone
Not shown (not part of the tracking):
1. Digital camera (Canon A470 running CHDK)
2. HD Video camera (GoPro HD Hero)