[ih] SATNET (seismic data, Norway, UK)

[Johnny RYAN]

Dear Vint,
I had better examine this more to understand the reasoning behind SATNET
any pointers or source suggestions would be very welcome!
( I cant find a text online for R.E. Kahn, "The Introduction of Packet
Satellite Communications," National Telecommunications Conference,
Nov. 1979, referenced in your RFC 829 )
Johnny

--
My Next Book... http://johnnyryan.wordpress.com/books/net-history-2010/




On Fri, Aug 14, 2009 at 9:53 PM, Vint Cerf<vint at google.com> wrote:
> well not exactly. the seismic stuff had its own dedicated circuit. Bob Kahn
> successfully argued that we could provide higher speed service by sharing
> the satellite capacity between the seismic data and the internet data and
> splitting the costs. But the seismic data itself was not necessarily a
> driver of packet satellite as a technology.
>
> v
>
> On Aug 14, 2009, at 4:03 PM, Johnny RYAN wrote:
>
>> Dear All,
>>
>> Thanks you for your responses on Carterfone. But if I may be so bold,
>> one other...
>>
>>> From papers of Peter Kirsten and Robert Kahn, it looks like seismic
>>
>> data transfer was an important reason to pursue SATNET, presumably
>> particularly so in the context of the Mansfield Amendment --- were
>> there other important reasons?
>>
>> The sequence for SATNET as I understand it is
>>
>> ------------------
>> Background events re seismic data....
>> 1957 - 'Rainier', US first underground nuclear test, detected by
>> seismic instruments across the globe
>> 1963, Limited Test Ban Treaty, 116 nations commit to underground testing
>> 1970, US starts recieving seismic data from NORSAR at Kjeller, Norway
>> (seismic data went by cable from Norway to UK and then by satellite to
>> US).
>> 1972, seismic data goes to US through Sweden by Satellite
>>
>> -------------------
>> 1973, ARPANET connects by satellite to UCL and University of Hawaii
>> 1975, SATNET initiated - US link to UK (British Post Office and UCL)
>> using Intelisat IV
>> 1977, Norweigan Defense Establishment link by satellite
>>
>> Does this sound right?
>>
>> Johnny
>>
>> --
>> My Next Book... http://johnnyryan.wordpress.com/books/net-history-2010/
>
>