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We report the jet width profile of of the nearby (    ∼ 30  Mpc    ) AGN NGC 4261 for both the approaching jet and the counter jet at radial distances ranging from∼  10 3–    10 9Schwarzschild radius (    R S    ) from the central engine. Our Very Large Array (VLA) and Very Long Baseline Array (VLBA) observations reveal that the jets maintain a conical structure on both sides over the range10 3    –10 9    R Swithout any structural transition (i.e., parabolic to conical) like in the approaching jet in M87. Thus, NGC 4261 will provide a unique opportunity to examine the conical jet hypothesis in blazars, while it may require some additional consideration on the acceleration and collimation process in AGN jets

Conical Stream of the Two-Sided Jets in NGC 4261 over the Range of 103–109 Schwarzschild Radii