circle as shown in fig2 and 3 lateral drivetrain 60 includes lateral motor 62 continuous track 64 housing 66 drive sprocket 68 idlers 70 and idler axles 72 the opposing ends of lateral drivetrain 60 are adjustably attached to frame 12 at annuluses 20 and 30 respectively annuluses 20 and 30 have slots 112 for slideably receiving lateral drivetrain 60 once positioned lateral drivetrain 60 is secured against annuluses 20 and 30 by bolts or screws drive sprocket 68 mechanically connects continuous track 64 with lateral motor 62 in an alternate embodiment a gearbox may be used to mechanically connect lateral motor 62 with continuous track 64 idlers 70 are positioned within continuous track 64 and maintain continuous track 64 under tension idler axles 72 are mounted to housing 66 and allow idlers 70 to rotate freely in operation continuous track 64 is positioned against cable 50 lateral motor 62 is then activated and turns drive sprocket 68 which turns continuous track 64 the forward or backward movement of continuous track 64 moves the apparatus along the extent of cable 50 control box 110 is attached to housing 66 in the embodiment of fig1 control box 110 however may be disposed anywhere on apparatus 10 where it does not interfere with the lateral and radial movement of the apparatus control box 110 houses all of the electronics and may include a cpu when using the apparatus the frame is opened positioned around the cable and bolted shut the lateral drivetrain is then adjusted so that the continuous track firmly abuts the.