Narrative:

First flight of the day on day 4 of our trip. We started off in gso departing off of runway 23L; we were cleared for takeoff and as we rotated and began to climb through 200-300 ft. AGL; we got a traffic advisory alert and at that moment; the first officer started leveling the aircraft and slowing down at about 400 ft. AGL; the target on radar was directly above us; 100 ft. Above us. Looking outside and inside the whole time I was never able to get a visual on the traffic. After the TA was over I asked tower if there were any aircraft around us in close proximity; tower proceeded to say no he had no one on radar around us. We were switched to departure frequency and ATC asked if we had a TA or RA; I said TA and asked if there was in fact an aircraft around us. After that question there was silence; he never answered; after a few minutes ATC told us to contact atlanta center. I replied back and asked again was there another aircraft that close to us? He replied there was a VFR aircraft on vectors; and nothing else.better communication between departure frequency and tower frequency.

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Original NASA ASRS Text

Title: CRJ700 Captain reported a traffic conflict on departure; resulting in a TA.

Narrative: First flight of the day on day 4 of our trip. We started off in GSO departing off of Runway 23L; we were cleared for takeoff and as we rotated and began to climb through 200-300 ft. AGL; we got a Traffic Advisory alert and at that moment; the First Officer started leveling the aircraft and slowing down at about 400 ft. AGL; the target on radar was directly above us; 100 ft. above us. Looking outside and inside the whole time I was never able to get a visual on the traffic. After the TA was over I asked Tower if there were any aircraft around us in close proximity; Tower proceeded to say no he had no one on radar around us. We were switched to Departure frequency and ATC asked if we had a TA or RA; I said TA and asked if there was in fact an aircraft around us. After that question there was silence; he never answered; after a few minutes ATC told us to contact Atlanta Center. I replied back and asked again was there another aircraft that close to us? He replied there was a VFR aircraft on vectors; and nothing else.Better communication between departure frequency and Tower frequency.

Data retrieved from NASA's ASRS site 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.