It looks like a great project to work in, with a lot of technical challenges. Very interesting!
Thanks for the detailed answer. Gastón On Saturday, November 29, 2014 10:54:39 PM UTC-3, nixiebunny wrote: > > This project involves equipping the South Pole Telescope for Very Long > Baseline Interferometry (VLBI). This is a method of taking data > simultaneously with several telescopes in different parts of the world, > then shipping the data to a central correlator to detect interference > fringes between the 'scopes. > > It's done at the South Pole because there's very little water in the > air. The receiver operating at hundreds of GigaHertz likes it that way. > > The necessary equipment included a hydrogen maser for a stable timebase, > and a machine that will record a gigabyte per second to hard disk > continuously for several minutes. > > The VLBI partner for the first test is the ALMA array in Chile, which is > a smaller interferometric array (up to 15 km baseline). > > My job is building the equipment to massage the signal from the receiver > (the tuner's IF signal covers 4-8 GHz) and other stuff to power and > control the receiver. > > On 11/29/14 11:54 AM, GastonP wrote: > > > > Can we get one of those from Alibaba? > > > > If not... what kind of signals will that baby listen to, and why > > Antarctica? Low human-origin background noise? > > > > Gaston > > > > On Friday, November 28, 2014 7:28:32 PM UTC-3, nixiebunny wrote: > > > > I've been working on non-nixie stuff... a bit of RF signal > > processing kit for this: > > > > http://kicphubs.uchicago.edu/depot/images/sptaerial-large_ver_1.jpg > > <http://kicphubs.uchicago.edu/depot/images/sptaerial-large_ver_1.jpg> > > > > > It's at the South Pole. I'm not going, but the gizmo is shipping out > > this Monday > > AM. > > > > --David Forbes > > > > -- > > You received this message because you are subscribed to the Google > > Groups "neonixie-l" group. > > To unsubscribe from this group and stop receiving emails from it, send > > an email to [email protected] <javascript:> > > <mailto:[email protected] <javascript:>>. > > To post to this group, send email to [email protected] > <javascript:> > > <mailto:[email protected] <javascript:>>. > > To view this discussion on the web, visit > > > https://groups.google.com/d/msgid/neonixie-l/54d8e708-fac3-4949-bf8f-dadace0a8309%40googlegroups.com > > > < > https://groups.google.com/d/msgid/neonixie-l/54d8e708-fac3-4949-bf8f-dadace0a8309%40googlegroups.com?utm_medium=email&utm_source=footer>. > > > > For more options, visit https://groups.google.com/d/optout. > > > -- > David Forbes, Tucson AZ > > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/2b8eb320-1890-451e-a2d7-f64d4369d358%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
