Hope RF HM-TRP Documentation (FCC test documentation)
http://www.hoperf.com/upload/rf/HM-TRP-915(20dBm)-FCC.pdf
FAA Regulations for Amateur Rocketry (Part 101)
http://www.ecfr.gov/cgi-bin/text-
idx?c=ecfr&rgn=div5&view=text&node=14:2.0.1.3.15&idno=14
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Before You Start…
• If you bought a Starter Set (both Eggfinder TX and RX kits), make sure that both of them are
on the same frequency (it’s marked on the package label). If they are not, do not open the kits;
contact us immediately so we can send you a replacement kit and a no-charge return label.
• Go to our web site at
www.Eggtimerrocketry.com
and download the latest Release Notes.
• Go to our web site at
www.Eggtimerrocketry.com
and download the latest Assembly/Users
Guide..
• Read them thoroughly before starting… it will save you some grief later, we promise!
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Thanks for buying an Eggfinder GPS Tracker! The Eggfinder is a hobby rocketry GPS tracker
that uses a GPS module and a 900 MHz license-free transmitter module to broadcast your
rocket’s location in real-time to a computer or tablet. With appropriate GPS tracking software,
which is available for free on the Internet, you can actually track your rocket in flight, and
ultimately find out exactly where it landed.
Like other Eggtimer Rocketry products, we sell it as a kit, to keep costs down and provide an
outstanding value. This means that you have to do a little work, of course, but considering that
most hobby rocketeers that would use our products have some degree of electronics expertise,
this should not be much of an impediment. If you do not have any experience soldering kits
such as the Eggfinder, we recommend that you ask around… chances are that somebody in
your rocketry club would be more than happy to assist you for a small bribe (beverages work
well!).
There are actually two separate Eggfinder boards, the Eggfinder TX that goes into your rocket,
and the Eggfinder RX board that receives the data from your Eggfinder TX board and displays
it on your computer or tablet. They are similar in that they both have a radio module and
power supply, but only the TX board has a GPS module. We recommend that you build the
TX board first, because it’s easier to tell if it’s working, and when you have the RX board
completed it will be easy to tell if that one is working too since both boards have LEDs that tell
you if they are transmitting/receiving data.
