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Application of the Recent ARF1 Calibration Measurements to the Pbar RF Curve Loading Console Application (P2)
The P2 console application (Antiproton Source RF Files) calculates frequency and voltage curves from a sequence of command statements input by the user. P2 initially calculates these curves in terms of the actual frequencies and voltages required on the RF cavity as a function of time. These curves are then converted to the appropriate low-level drive voltages that will cause the RF system high-level electronics to generate the required frequency and voltage ramps. The low-level drive ramps are then downloaded into CAMAC ramp cards. In order to convert the required cavity voltage and frequency into the correct drive voltages P2 uses a set of constants that determined from calibration measurements of the various Antiproton Source RF systems. These constants are editable from the P2 constants window. The P2 constants at the time of this writing are shown in Figure 1. The validity of these constants determines the extent to which P2 able to translate the user's commands into the actual voltages and frequencies that appear on the RF cavity. A comparison of the 4/18/2001 calibration of ARF1 with that presently assumed by P2 shows a large discrepancy in both the frequency constants and the voltage constants. This report documents the …
Date:
April 21, 2001
Creator:
Werkema, Steve
Object Type:
Report
System:
The UNT Digital Library
[Lally Family Videos, No. 13 - Trail Ride]
This home movie excerpt documents Lauren Lindsey watching a trail ride from the front porch of her grandparents' home.
Date:
2001-04-21/2001-04-22
Creator:
Lally
Object Type:
Video
System:
The Portal to Texas History
[Concert Poster: The Falcon Project, Mulberry St. Fair 2001]
Poster advertising Mulberry St. Fair 2001 on Saturday, April 21, at The Yellow House, in Denton, Texas. Several versions of the Mulberry St. Fair 2001 poster were created, each featuring a different participating band and its corresponding artwork. This poster features a distorted blue silhouette of the band on a black background. The text of the poster is yellow on a blue background.
Date:
April 21, 2001
Creator:
Kapinos, Will
Object Type:
Poster
System:
The UNT Digital Library
[Concert Poster: Furniture of the Gods, Mulberry St. Fair 2001]
Poster advertising Mulberry St. Fair 2001 on Saturday, April 21, at The Yellow House, in Denton, Texas. Several versions of the Mulberry St. Fair 2001 poster were created, each featuring a different participating band and its corresponding artwork. This poster features a stylized, color drawing of Furniture of the Gods performing.
Date:
April 21, 2001
Creator:
Kapinos, Will
Object Type:
Poster
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 79, No. 146, Ed. 1 Saturday, April 21, 2001
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
April 21, 2001
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
Lone Star Gazette (Dublin, Tex.), Vol. 2, No. 16, Ed. 1 Saturday, April 21, 2001
Semimonthly newspaper from Dublin, Texas that includes area information on topics such as history, entertainment, reviews, and recipes along with advertising.
Date:
April 21, 2001
Creator:
Kestner, Laura
Object Type:
Newspaper
System:
The Portal to Texas History
Pawhuska Journal-Capital (Pawhuska, Okla.), Vol. 91, No. 31, Ed. 1 Saturday, April 21, 2001
Semiweekly newspaper from Pawhuska, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 21, 2001
Creator:
Gann, Sherry
Object Type:
Newspaper
System:
The Gateway to Oklahoma History