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[aprssig] email

Herb Gerhardt hgerhardt at wavecable.com
Mon Sep 1 04:26:58 UTC 2008

So far the answers have only referred to what can be done within APRS.
However there is another system APRSLink that can not only send emails to
anyone but also receive emails from even non-hams.

It is a really slick and useful system.  I use it when in the mountains and
on hunting trips when I am far from civilization on both my D7A and D700.
It is not used very much in our area which is the way it should be, but it
sure comes in handy at times so you should really check it out and learn the
system.  I even carry an idiot sheet with me to help my aging mind.......

Check it out at:    http://www.winlink.org/aprslink

Herb, KB7UVC
NW APRS Group, West Sound Coordinator
Our WEB Site:  http://www.nwaprs.info

  -----Original Message-----
  From: aprssig-bounces at lists.tapr.org
[mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Stephen H. Smith
  Sent: Sunday, August 31, 2008 7:20 PM
  To: TAPR APRS Mailing List
  Subject: Re: [aprssig] email

  Jim Danforth wrote:
Sorry for the double post.  Didn't mean to reply to the other message.

I'm about to get deployed to the hurricane zone with my disaster relief
crew.  I've never mastered the email via aprs thing, so if anyone can point
me to a tutorial, I would really like to make it work before leaving.  I
will be taking a D7 with me, and possibly a D700, though it would require
removal from my truck ,and temp install in a rental, and stuffing in a
suitcase to come home.  That prospect doesn't excite me. I would rather take
my tape measure beam than to take the d700.

aprssig mailing list
aprssig at lists.tapr.org

  Assuming the APRS infrastructure (digipeaters, a reachable igate and the
Internet at that location) don't get wiped out in the hurricane, it's quite
simple.   Compose a an APRS message to be sent to the callsign "EMAIL"
instead of an actual station.

  Then, the very first part of the message payload is the actual email
address of the person you are trying to send to.   Follow this with one or
more spaces before the actual text of the message.  Note that:

  1)     APRS messages are cell-phone-texting-style one-liners with a max of
less than 80-100 chars.

  2)     The email address consumes part of the message one-liner. If you
have the choice email addresses, choose one with the shortest adddress
string to use.    (For example, an address at "aol.com" will leave more
space for the real message than an address at "sbcglobal.com" or

  3)     APRS email is basically a one-way system.  You can SEND a message
to any internet email address (and may get an ack back) but the Internet
party can not send a reply back to you.  (It's the regulatory issue of a
non-ham party initiating a transmission on the ham bands.)

  Since you may be in a less-than-favorable location (relative to any
surviving digis) you want to throw all the antenna gain you can possibley
muster into the mix.   An Arrow Antenna collapsable light-weight
hand-holdable yagi would be ideal.

  And, if you do use any external ants with the TH-D7;
               DON'T FORGET AN SMA-to-BNC or SMA-to-UHF ADAPTER!!


  Stephen H. Smith    wa8lmf (at) aol.com
  EchoLink Node:      14400    [Think bottom of the 2M band]
  Home Page:          http://wa8lmf.com  --OR--   http://wa8lmf.net
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