[[Media:RTCMwithController.pdf|An example of using RTCMs to replace 420 links]]
[[Media:RTCMwithController.pdf|An example of using RTCMs to replace 420 links]]
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=Spectra Engineering=
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* [http://wiki.w9cr.net/index.php/MX800#W9CR_alignment_procedure_and_setup_with_Allstar MX800 Base station] - Bryan Fields, W9CR has a complete setup guide for the MX800 Base station which includes fallback to the built in controller and an audio delay module.