Small transport aircraft. Reporter pilot says that there is excessive bleed- through on ground control frequencys as well as bleed-through on some tower and departure control frequencys.

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Attributes
ACN	372651
Time
Date	199706
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : phx
State Reference	AZ
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Controlling Facilities	tracon : clt
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 135
Flight Phase	climbout : takeoff ground other : taxi
Flight Plan	None
Person 1
Affiliation	company : air carrier
Function	flight crew : single pilot
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 13685
ASRS Report	372651
Person 2
Affiliation	government : faa
Function	controller : ground
Qualification	controller : non radar
Events
Anomaly	other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Primary Problem	Airport
Air Traffic Incident	other
Situations
Airport	other physical facility

Narrative:

On initial ground call for taxi, reception is marginal from ATC. On occasions there is excessive bleed-over from one frequency to the next, making radio calls inaudible. Because of the large aircraft operations we mingle with, radio signals are blocked due to the close proximity of aircraft. It is also noticed on takeoff, midway down the field, excessive bleed-over between tower and departure frequencys exists. These are relatively new frequencys supposedly to cure this problem, but on numerous occasions, seems even worse!

Original NASA ASRS Text

Title: SMT ACFT. RPTR PLT SAYS THAT THERE IS EXCESSIVE BLEED- THROUGH ON GND CTL FREQS AS WELL AS BLEED-THROUGH ON SOME TWR AND DEP CTL FREQS.

Narrative: ON INITIAL GND CALL FOR TAXI, RECEPTION IS MARGINAL FROM ATC. ON OCCASIONS THERE IS EXCESSIVE BLEED-OVER FROM ONE FREQ TO THE NEXT, MAKING RADIO CALLS INAUDIBLE. BECAUSE OF THE LARGE ACFT OPS WE MINGLE WITH, RADIO SIGNALS ARE BLOCKED DUE TO THE CLOSE PROX OF ACFT. IT IS ALSO NOTICED ON TKOF, MIDWAY DOWN THE FIELD, EXCESSIVE BLEED-OVER BTWN TWR AND DEP FREQS EXISTS. THESE ARE RELATIVELY NEW FREQS SUPPOSEDLY TO CURE THIS PROB, BUT ON NUMEROUS OCCASIONS, SEEMS EVEN WORSE!

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.