[aprssig] APRS-B?

Steve Noskowicz noskosteve at yahoo.com
Mon Jun 24 09:53:47 CDT 2013


 
I have 433.900 in an HT memory.  I haven't looked into these carefully, but ... Could there be an issue with all the remote wireless weather sensors and whatever else I hear constantly beeping, bleeping and squaking on the Part 15 frequency  433.900

73, Steve, K9DCI USN (Vet) MOT (Ret) Ham (Yet)

--- On Mon, 6/24/13, Robert Bruninga <bruninga at usna.edu> wrote:







I’m impressed with the 500 mw transceivers on 433 MHz costing $20 or so and operating at 9600 baud.
Why don’t we call this APRS-B (plan B).  And start paralleling our network with these devices.
 
Then instead of only 5% of hams having APRS capability, we could get more people in the clubs to own a device and also to put one up at home so we have a backup data channel as well?
 
Maybe lots of you are doing this alrady and I am the last one to the party.  But whatever we do, lets standardize on something so we are all headed in the same direction.
 
These are wideband devices, so they are not compatible with any existing APRS or other ham FM radios.  That is why it is a fresh start.  What is the sync and key up time?
 
Sure the range of 500mw is small, but at only 10% of the cost of a digi we can put them at more and closer places and even solar power them.
 
Bob, WB4APR
 
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