hi all just thought i would put a little bit of in put there are a few on the market at minute the garmin astro 220 with the dc collar i seen work last season on a mates pack of hound very good bit of kit will let you know when hound is marking to ground and covers about 9 miles and a simple arrow points you in direction of hound its idiot proof just the way i like it
there is a new garmin one on the market the garmin astro 330 this is the one im gonna buy for are pack ment to be abit more advanced you can buy birds eye few maps and so on for it and all so mark holes down on the maps ill l