[aprssig] Cave Surveying
AA3JY at Winlink.org AA3JY at Winlink.orgTue Nov 20 15:56:46 UTC 2012
- Previous message: [aprssig] HF underground (update)
- Next message: [aprssig] Cave Surveying
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Some have short memories..but I posted this back in September: http://www.tapr.org/pipermail/aprssig/2012-September/040466.html What is used to help facilitate surveying in cave diving(water medium) in north Florida..a Pinger device in the 350hz range. Clay AA3JY NSS-CDS NACD
- Previous message: [aprssig] HF underground (update)
- Next message: [aprssig] Cave Surveying
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
More information about the aprssig mailing list