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Thread: Building A GA Transponder
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10-04-2009, 04:16 AM #21
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Re: Building A GA Transponder
On my bendix radios I have removed the need to use dual encoders, because unlike yourselves I am very limited to funds.
So instead of using dual encoders, I just use normal encoders with a single knob. My encoder costs £1 and the knob costs 30 pence! Compared to £15 for a dual encoder and £5 for a knob saving myself £37.40 per radio, and when you add all the radios up, there is a massive saving!
This is how I have wired mine up:
I have wired my single encoder to a toggle switch so when I have the toggle one way I am selecting GHz and when i flip the toggle the other way I am selecting MHz.....
How easy is that! and a massive saving!
Just add a standby button and your then your red digits and voila!.....your done!
Again this is a great money saving trick, I haven't got a lot of money at all, and I believe in simplicity and saving £££'s, and this way I am very very happy!
GA or the Highway!
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10-04-2009, 06:28 AM #22
Re: Building A GA Transponder
Alex, looks great... and an excellent budget idea.
Are you planning on getting some LED digits in there or just using a screen to display that information?
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10-04-2009, 06:34 AM #23
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Re: Building A GA Transponder
Hi Gez, I am indeed using digits, would hope to have the opencockpits master card and displays card by december, so just a little bit of tweeking with sioc and it should be pretty much functioning, I will have the whole radio stack finnished by this time next week, its coming along nicely!
Cheers Gez!GA or the Highway!
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Post Thanks / Like - 1 Thanks, 0 Likes, 0 DislikesGeremy Britton thanked for this post
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10-05-2009, 12:35 AM #24
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10-05-2009, 04:24 AM #25
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Re: Building A GA Transponder
but i am sure the frequency is Mhz and Khz.
Well spotted though!GA or the Highway!
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