View source for Low bandwidth disaster recovery mesh

software implementation of data over radio using USRP:
(missing python scripts can be found on archive.org)

http://www.wu.ece.ufl.edu/projects/wirelessVideo/project/GNU_Radio_USRP/

transmitting hardware (soundcard Left and Right for I/Q out to this thing)

http://www.na0tc.org/Homebrewing%20a%20HF%20Software%20Defined%20Radio_Final_pdf.pdf

actual transmitter schematic:

http://yu1lm.qrpradio.com/HAM%20HF%20SDR%20TRANSMITTER%20YU1LM.pdf

http://yu1lm.qrpradio.com/FINAL%20HF%20SDR%20RECEIVERS%20TRANSMITTER%20YU1LM.pdf

programmable frequency generator:

https://www.sparkfun.com/products/9089

high frequency capable 4066 chip from mouser for above transmitter:

http://www.mouser.com/ProductDetail/NXP-Semiconductors/74LVC4066PW118/?qs=sGAEpiMZZMvjbjwkTuU2aWr3jA9LyhiebMD5MB9f6DQ%3d

that chip could be used in the same schematic from my previous link by yu1lm to be able to transmit at higher frequencies, probably up to about 200MHz