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

[Johnny RYAN]

please ignore my last re Kahn's paper (found it here
http://ia300230.us.archive.org/3/items/TheIntroductionOfPacketSatelliteCommunication/)


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




On Fri, Aug 14, 2009 at 10:51 PM, Johnny RYAN<johnnyryan1 at gmail.com> wrote:
> 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/
>>
>>
>