I built one similar to this one back when GPS units were not sensitive enough to work indoors....it did a great job.
73 bill w4hbk
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--- In QRPLabs@..., "i2NDT" <i2ndt@...> wrote:
I have a Jupiter TU60-D120 board I bought some time ago and would like to use it together with my U2. Unfortunately, at that time, I didn't buy the antenna... Now I need one.
Any suggestion???
best 73
de
i2NDT Claudio