Radiodetection Earth Reel The Radiodetection Earth Reel is a 33' (10 m) extension lead designed to extend the earth return connection for direct transmitter connections during utility locating operations. Supplied on a convenient storage spool, it is ideal for situations where a suitable local grounding point is not easily accessible. Key Features • 33' (10 m) earth return extension lead • Extends direct connection grounding capability for transmitters • Ideal when local earth points are inaccessible or unsuitable • Supplied on a convenient storage and deployment spool • Designed for use with Radiodetection transmitter systems