Dumitru Stama wrote: >I think 2.4 GHz is very high for underwater broadcasts. >Under water you could get away with a low frequency transmission, even >a sonar but i am quite sure 2.4GHz will not do the job. > >Dumitru Stama > > >MB> Could you have some sort of antenna below the water level? I'm not sure what >MB> the specifics would be, but given that sound travels so much better >MB> underwater, it might be an option. >MB> - Marcel > > I was planning on using radios because they are more energy efficient then sonar also there are other factors involved that would prohibit signals through the water. John -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist