I know this isn't exactly rocketry, but it could be used to help find rockets that have landed in tall grass/weeds or in wooded areas.
Videos are a bit long (11 & 6 min) but well worth the watch.
https://vimeo.com/6194911
https://www.youtube.com/watch?v=7uZg49Kkv3U
Videos are a bit long (11 & 6 min) but well worth the watch.
https://vimeo.com/6194911
https://www.youtube.com/watch?v=7uZg49Kkv3U