ASR-9 problems causes double beacon returns and data block to go into coast status.

Attributes
ACN	260641
Time
Date	199401
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : slc
State Reference	UT
Altitude	msl bound lower : 13100 msl bound upper : 13100
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : slc
Operator	general aviation : personal
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	other : unknown
Flight Phase	cruise other
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	other : unknown
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller radar : 5
ASRS Report	260641
Person 2
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller radar : 5
ASRS Report	260646
Events
Anomaly	other anomaly other
Independent Detector	other controllera
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Primary Problem	Navigational Facility
Air Traffic Incident	other
Situations
Navigational Aid	Unspecified

Narrative:

Double beacon return on slc ASR-9 radar. Causing data block on scope to go into coast mode eliminating data information for 2-3 sweeps (i.e., altitude, ground speed).

Original NASA ASRS Text

Title: ASR-9 PROBS CAUSES DOUBLE BEACON RETURNS AND DATA BLOCK TO GO INTO COAST STATUS.

Narrative: DOUBLE BEACON RETURN ON SLC ASR-9 RADAR. CAUSING DATA BLOCK ON SCOPE TO GO INTO COAST MODE ELIMINATING DATA INFO FOR 2-3 SWEEPS (I.E., ALT, GND SPD).

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.