The University of Nevada, Reno
Nevada Space Grant
Student
High-Altitude Ballooning

NV SGC
This program is generously supported by the Nevada Space Grant Consortium


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   Yaesu VX-2
   MicroTrak 300
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   Kenwood TH-D7
   Alinco DJ-C4T
   Alinco DJ-C5T
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Missions

 

Max Transmitting Power: 300 mW

Weight: 75g

 

This is our Alinco handheld we bought ours used, they are being replaced by the DJC5T ($160).  We used this handheld in our old secondary communication payload because it is lightweight and small.  It requires an external TNC (e.g. TinyTrak).  The DJC5T has an external speaker which adds size and weight to the radio.  Since we don't need to hear anything from the radio since it's in the balloon we use the smaller cheaper DJC4T, but they are getting very difficult to find.

Pros:

This handheld  is very small and light.  This is more important for the handheld sent up with  the balloon than any other radio since weight is an issue.

Battery life of >5 hrs when transmitting, full power at the 10 sec  interval.

Cons:

300 mW Transmitting power

Needs an external TNC.

Telescoping metal antenna (easy to break on landing)