The Alan Sondheim Mail Archive

March 1, 2008

National Radio Astronomy Observatory *

Retro-Reflector Commands

RPC Function 	Description

CL_CIL_SVC 	Illuminates retro-reflector with ZY laser
CL_CMEAS_SVC 	Requests that a ZY measure a retro-reflector
CL_COO_SVC 	Requests/sets ZY retro-reflector data
CL_NUM_SVC 	Requests/sets the number of retro-reflectors in a ZY's
scan list
CL_ORD_SVC 	Requests/sets the ZY's scan list order
CL_SCN_SVC 	Requests that a ZY start/stop or schedule/remove a scan

ZY/ZP Coordinate System Commands
RPC Function 	Description

CL_ALPHA_SVC 	Requests/sets the $\alpha$ angles of the mount
CL_BETA_SVC 	Requests/sets the ZP $\beta$ rotation correction angles
CL_BP_SVC 	Requests/sets the monument base position coordinates for a
CL_COORDINATES_SVC 	Requests the ZP mirror center coordinates
CL_EZ_SVC 	Requests/sets the ZP encoder offset values
CL_MO_SVC 	Requests/sets the ZP mirror offset values

Instrument Control
RPC Function 	Description

CL_AXIS_SVC 	Requests/sets state of axis amplifiers on ZY
CL_BYE_SVC 	Disconnects ZY from ZIY
CL_CONNECT_SVC 	Requests that the ZIY connect to a ZY
CL_INITZY_SVC 	Requests that a ZY re-initialize itself
CL_PS_SVC 	Requests/sets state of ZY power supplies
CL_RST_SVC 	Requests that a ZY's host perform a cold boot reset
CL_STW_SVC 	Requests the ZY status word
CL_VER_SVC 	Requests the version of a ZY's software

Data Acquisition
RPC Function 	Description

CL_CYC_SVC 	Requests/sets ZY cycle integration property
CL_IFF_SVC 	Requests/sets the Reference Frequency of a ZY
CL_SEQ_SVC 	Requests a sequence of measurements from a ZY
CL_SFQ_SVC 	Requests/sets the sampling frequency of a ZY A/D

Axis Control
RPC Function 	Description

CL_ABA_SVC 	Sets acceleration value on ZY axis controller
CL_ABV_SVC 	Sets velocity value on ZY axis controller
CL_ACP_SVC 	Requests actual position of ZY axis controller
CL_AXS_SVC 	Requests the status word for a ZY axis controller
CL_DSP_SVC 	Requests the desired position of a ZY axis controller
CL_ERL_SVC 	Requests/sets the Error Limit on a ZY axis controller
CL_FHM_SVC 	Requests that a ZY axis controller ``home'' an encoder
CL_FIL_SVC 	Requests/sets the PID Integration Limit of a ZY axis
CL_FKD_SVC 	Requests/sets the PID Derivative value of a ZY axis
CL_FKI_SVC 	Requests/sets the PID Integration value of a ZY axis
CL_FKP_SVC 	Requests/sets the PID Proportional value of a ZY axis
CL_FLT_SVC 	Requests/sets all the PID parameters of a ZY axis
CL_FSI_SVC 	Requests/sets the LM628 Derivative Sampling Interval
CL_IDX_SVC 	Requests the index register reading of a ZY axis
CL_RDS_SVC 	Requests the Integration Sum of a ZY axis controller
CL_VHM_SVC 	Requests that a ZY's axis controller verify its home

ZIY Commands
RPC Function 	Description

GETCLIENTS_SVC 	Requests a list of all client sub-systems on the ZIY
LOG_SVC 	Place a message in the ZIY's log system
WEATHER_SVC 	Requests the latest weather station readings
ZIYREGISTER_CALLBACK 	Register a callback RPC server with the ZIY

* This spring we'll head to the NRQZ, National Radio Quiet Zone, for VLF

Frontier (additional after 1st two paragraphs)

I like to believe I'm working on a frontier and all I can tell you is
what's on the normative side of things; the rest is yet to be seen,
unabsorbed. Once brought in from the Pale, it's of lesser interest, but
beyond the Pale there's nothing but the agony of shadows. Defuge takes
over and the frontier, always an imaginary, shudders and reconvenes.

The videos/choreographies exist between human and human - someone was
there making the original files with motion capture, and someone is at the
other end, watching and using them once again. The virtual is a shadow of
the real, the real is a shadow of the virtual, and within the true world
superimpositions, gestures, and the fading of ontologies characterize what
remains of the fixity of inscriptive practices of the classical and modern

Distinctions are blurred through embedding and filtering. Avatars and
humans - together, emanents - are embedded in online virtual worlds, in
spaces which are simultaneously physical/inert/analog and virtual/mobile/
digital. Every seeing, every being, is a filtering; existence and copula
are interwoven. A current collection of texts is called Messays; in a
Messay, there's no leading sentence, no orderly sequence of ideas, no
summings-up, no conclusions. The essay is to classical narratology as the
messay is to future true world genres which seep into one another, head-
less and tailless - meandering on the one hand, problematic obeisance to
protocols on the other.

What we started with is the body which is inscribed with scars, scratches,
tears, wounds, blemishes, abrasions, cuts, and all other debris carrying
analogic history into the symbolic. What we continued with are tattoos,
incisions, fashion, gesture, languagings, and what continually emerges is
the body harboring technology as self retreats or withdraws, puckers, from
the wild symphonics of externally-applied filters digging ever deeper.

The walk or arm-swing becomes gesture becomes anysign becomes trade-off,
translation, transformation, exchange, interoperability, reified territor-
ialization. One sits at a console and breathes through sheave-skin,
another begins vortex stage-center with flesh-electric, a third wanders
memory of others airless, unbreathing, peripheral wanderings mediated at
mind's back. From the airless, flesh-breathers are attracted, gather,
project and introject, their selves flowing, flooding, abjecting, full of
scent and coagulation.

We take our tiny community of people up and down mountains, in and out of
clubs and iced fields, across the chiasm of cut bodies and body cuts,
mines and other extractive industries across the flesh of land and bodies.
What we bring back is always new, even if only in the slightest detail, a
brush of the hand or turn of the head that was never seen before. And we
keep to our goal of understanding filtering and embedding better than
before, and understanding bodies in the always future anterior world, the
true world of emanents and anysign where we're living, breathing, writing
and wryting, this and any future day.

(notes for upcoming Millennium show, NYC, 3/15, details later)

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