From: Jason Clary <[EMAIL PROTECTED]>
Subject: RE: Live Mobile Broadcasts
Unfortunately in some countries, ISDN isn't available everywhere.. ;)
In the US at least, its generally available only in higher population
counties. And then only on special request. And the lead-time on
installing lines usually ranges from 1 week to a month or more.
Standard cell probably isn't a viable option for moving transmission, as
you say. AT&T has a packet cell data service for about $50/mo that will
give you 19.2k of bandwidth and no per minute charges. Its analog so
its available most places in the US. But again, not something you'd
want to try while actually driving down the road. The modem for that is
under $1k.
Marine Satellite phone is probably your best bet for serious moving
stuff. Most of them come with sat-tracking antennas. The high
bandwidth data (64k) one I mentioned in my previous message comes with
that, I believe.
There is another alternative, though. If you aren't moving more than a
few miles around, you could set up a base station with land lines and
use a spread-spectrum transceiver setup. Typical ranges run between 2
and 10 mile radius. There are some that the military uses that can go
as far as 100 miles, but I've not personally seen one available to the
public. I haven't done much work with spread spectrum in awhile so I'm
not up on what's available now days or how much they cost.
Jason S. Clary
INOC Administrator
PRIMEDIA Workplace Learning
-----Original Message-----
From: RealForum [mailto:[EMAIL PROTECTED]]
Sent: Thursday, August 05, 1999 2:30 PM
Subject: SV: Live Mobile Broadcasts
From: [EMAIL PROTECTED]
Subject: SV: Live Mobile Broadcasts
We do live mobile webcast on a regular basis.
What we do is simply connecting the encoder workstation (1 or 2) in one
end
with a live-feed, etc. OB, VCR or just a single camera, and the other
end to
a router witch is conected to a dual ISDN (euro128KB).
on this setup we have livecasted a 22kbs and a 56 kbs signal without
problem.
the cellular way does not provide enoug bandwith and the satelite is an
expensive workaround.
we have investigated the posibilities of webcasting from a moving
location,
in this case a train, but the cellular method drops connectoin when
moving
from one gsm-net to another.
