the same way you can use a Walston or Beeline tracker. This can be handy
if the rocket is hiding in sage brush or a tree, or if the last GPS position
doesn't get you close enough because the rocket dropped into a canyon, or
-the wind is blowing it across a dry lake bed, or something like that...
+the wind is blowing it across a dry lake bed, or something like that... Keith
+and Bdale both currently own and use the
+[Yaesu VX-6R](http://yaesu.com/indexVS.cfm?cmd=DisplayProducts&ProdCatID=111&encProdID=4C6F204F6FEBB5BAFA58BCC1C131EAC0&DivisionID=65&isArchived=0)
+at launches.
So, to recap, on the ground the hardware you'll need includes:
* optionally, a handheld GPS receiver
* optionally, an HT or receiver covering 435 Mhz
+The best hand-held commercial directional antennas we've found for radio
+direction finding rockets are from
+[Arrow Antennas](http://www.arrowantennas.com/). The 440-3 and 440-5 are
+both good choices for finding a TeleMetrum-equipped rocket when used with
+a suitable 70cm HT.
+
+Find more information about antennas, HTs, and getting a ham radio license
+on our [Radio](../Radio) page.
+
## Data Analysis ##
Our software makes it easy to log the data from each flight, both the