The ground coupled bowtied antenna GCB-100 is a shielded small form factor ground penetrating antenna for geotechnical and environmental applications when deep penetration is necessary. The antenna is fully shielded and the front to back ratio is very high making it an ideal choice for noisy environments. This antenna is fully compatible with all Geoscanners ground penetrating systems as well as with all SIR® control units from GSSI. The antenna is delivered with a sled for towing it while doing the survey in the field. The fastening points allow to use this antenna with all the Geoscanners accessories without any further modifications.