[ih] IMP Installation Schedule / SDC IMP

[Steve Crocker]

Thanks!

On Mon, Jul 22, 2019 at 4:20 PM Darius Kazemi <darius.kazemi at gmail.com>
wrote:

> Yes I do!
>
> An IMP was installed at Tinker on Feb 16, 1972. The note for that IMP says:
>
> "Originally shipped to Tinker; removed to BB&N on 02/02/73; changed to a
> TIP and shipped to UTAH on 8/31/73."
>
> An IMP was installed at ETAC on November 30th, 1971. The note says:
>
> "Originally shipped to ETAC; moved to Mc Clellan 3/10/72; moved again to
> Xerox 9/26/72."
>
> RFC-1000 names ETAC as the USAF Environmental Technical Application
> Center, which in 1971 began "providing weather data for the ARPA Network".
>
> So it looks like an IMP spent a year at Tinker and six months at McClellan.
>
>
> -Darius
>
> On Mon, Jul 22, 2019 at 12:46 PM Steve Crocker <steve at shinkuro.com> wrote:
>
>> Darius,
>>
>> Interesting!  Might you also have data on when IMPs were installed and
>> removed at Tinker AFB near Oklahoma City and McClellan AFB near Sacramento?
>>
>> Thanks,
>>
>> Steve
>>
>> Sent from my iPhone
>>
>> On Jul 22, 2019, at 3:18 PM, Darius Kazemi <darius.kazemi at gmail.com>
>> wrote:
>>
>> Hi,
>>
>> I've been reading the list archives for a while (it helps for the early
>> RFC blog project
>> <https://write.as/365-rfcs/365-ietf-rfcs-a-50th-anniversary-dive> I'm
>> doing), but I didn't have a reason to join and post until today.
>>
>> I saw Karl Auerbach's message from back in March asking about the SDC
>> IMP, along with Alex McKenzie's answer.
>>
>> Karl Auerbach's question:
>> http://mailman.postel.org/pipermail/internet-history/2019-March/005175.html
>> Alex McKenzie's answer:
>> http://mailman.postel.org/pipermail/internet-history/2019-March/005174.html
>>
>> I spent four days at the Charles Babbage Institute last month and among
>> the records I was looking at were the library's collection of Alex
>> McKenzie's documents. In this collection I found a folder called
>> "Installation History of first ARPANET Interface Message Processor (IMP)
>> and Terminal Interface Message Processor (TIP) 1969 - 1976" (CBI record
>> <https://archives.lib.umn.edu/repositories/3/archival_objects/49539>).
>>
>> The document is a four-page document dated October 1977 that lists every
>> known IMP/TIP at the time, when it was installed, and its history of moving
>> between sites (if any).
>>
>> What the document says is that the SDC IMP was installed on April 20th,
>> 1970. A footnote says that it was there until 1976, when it was moved to a
>> site called ISI, which I assume is the USC Information Science Institute.
>> It appears that by 1977 it had been reassigned a Network ID Number of 52.
>>
>> I have photographs of the IMP installation schedule and if anyone is
>> interested I can send them along. I don't know what the etiquette of
>> posting them to this list is; I currently only have clearance from CBI for
>> private usage but it's unclear to me whether this (private) list counts as
>> private usage.
>>
>> -Darius
>>
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>>
>>
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