[HN Gopher] Show HN: Sending and Receiving SMS via APRS (VHF Ama...
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       Show HN: Sending and Receiving SMS via APRS (VHF Amateur Radio)
        
       Author : jlturner
       Score  : 45 points
       Date   : 2021-10-31 20:49 UTC (1 days ago)
        
 (HTM) web link (smsgte.org)
 (TXT) w3m dump (smsgte.org)
        
       | lxe wrote:
       | This has to be one of the most practical applications of amateur
       | radio. Keep in mind that all of these comms are unencrypted and
       | are visible by anyone who has the ability to receive.
        
         | ronsor wrote:
         | SMS (especially traditional GSM SMS) is often unencrypted or
         | poorly encrypted and visible by anyone.
        
       | jlturner wrote:
       | Also supports optional message ack by placing ? after callsign.
       | I'm looking to use this in the woods in case of emergency as you
       | can forward your APRS message through one of the many digipeters
       | available on mountain tops. Interested to hear of anyone has
       | given this a try yet!
        
         | mackmgg wrote:
         | It supports an ACK, but unless you have a two-way i-gate nearby
         | you should probably consider it to be a one-way protocol. All
         | of the ones near me just go RF -> internet so there's no way to
         | get a response back to RF unless you're running your own.
         | 
         | Still useful for sending out quick status updates like "I'm
         | doing fine but running late" but not good for full blown
         | communication.
        
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       (page generated 2021-11-01 23:00 UTC)