[Dstar] D-Star Simplex

[Nik Presser]

G'day Dave, great stuff. What's the average filesize or some of the largest files you've successfully sent or received? I just recently got into D-Rats myself, via the DV-Dongle and RF and having plenty of fun. 

I've found also that using a little bit of RF attenuation on the C-ports makes a great difference if one experiences an occasional bit of pager QRM. 

D-Rats during field days would have to be worth a shot too. Experimentation is what we're about :-)

Cheers,

Nik Presser
VK3BA  (ex VK3NJP)
Geelong

----- Original Message ----- 
  From: Dave Ingram 
  To: Dstar Digital Radio Mail List 
  Sent: Thursday, September 03, 2009 5:43 PM
  Subject: [Dstar] D-Star Simplex


  Hi All,

  There seems to be quite a lot of discussion about the D-Star
  infrastructure around the place. I for one use the repeaters rarely
  since coverage is not so good at home in Brisbane (a colinear gets into
  VK4RWN C fine though), but I was impressed at the 2m and 70cm coverage
  around Adelaide. Some good hills make a difference. Callsign routing is
  pretty nice too as an example of sophisticated switching.

  I've tried to have more fun working D-Star simplex across Brisbane,
  especially with D-RATS. When it comes to message passing I've found that
  the repeater turn around is too slow. VK4EA and I have managed to pass
  formal messages in the Queensland SES standard form (a custom one that I
  made for D-RATS) for proof of principle.

  My interesting in ham radio is more the 'emergency' or ad-hoc comms that
  don't rely on infrastructure. I think that D-Star still has a role to
  play here, along with other digital modes over HF & VHF.

  I'm quite prepared to leave my IC92 on the 2m DV calling freq most
  nights, so if you want to have a chat or try d-rats then please put a
  call out. There's more to ham radio than just repeaters, so give simplex
  a go sometime too!


  Cheers,
      Dave, VK4TDI
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