To legally operate a [TeleMetrum](../TeleMetrum) system as designed
in the USA, you need at least a "Technician Class" amateur radio
license. This is the entry level license, and getting one is actually
-pretty easy. The exam fee is low, and the license is good for 10 years and
-renewable for life. Anyone who has been through
+pretty easy. The exam fee is low ($15?), and the license is good for 10
+years and renewable for life. Anyone who has been through
the written test for a Level 2 high power rocketry certification will find
taking a ham radio license exam a similar sort of experience. The test is
multiple
## Operation in Other Countries ##
-In Australia, we have learned that operation may be legal without a license
-in the range 433.05-434.79 Mhz under the LIPD provisions. However, please be
-mindful of ham radio users in that band.
+In Australia, we have learned that operation of our products is legal
+without a license in the range 433.05-434.79 Mhz under the
+[LIPD](http://www.comlaw.gov.au/Details/F2011C00543) provisions. However,
+please be mindful of ham radio and other possible licensed users in that
+band as licensed users have priority.
## Related Equipment ##
for direction finding are in the 70cm band.
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)
+[Yaesu VX-7R](http://www.yaesu.com/indexVS.cfm?cmd=DisplayProducts&ProdCatID=111&encProdID=8D3254BFC69FB172D78647DC56EFB0E9&DivisionID=65&isArchived=0)
at launches.
### Antennas ###
for roving in radio contests, and the 6-element 432 Mhz design works fine
for chasing [TeleMetrum](../TeleMetrum)-equipped rockets.
+### Other Uses for an Amateur Radio License ###
+
+The [ARRL](http://www.arrl.org/) web site is full of information about other
+things that people do with amateur radio.
+
+How about a Doppler radar system for tracking rockets at a launch site? Yes,
+someone has actually done it! See [this page translated from Russian](http://translate.googleusercontent.com/translate_c?hl=en&ie=UTF-8&sl=ru&tl=en&u=http://serge77.rocketworkshop.net/radar/radar.htm&prev=_t&rurl=translate.google.com&twu=1&usg=ALkJrhi33e0TGe5WOcXr1HpoZBgzjDLy7g)
+for the details!