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Yesterday, Dwight (WB9TLH) and myself (KB9JHU) did a little bit of work on the K9IU 440 repeater. Specifically we added a UPS to the computer that acts as both the IRLP node and the repeater controller itself to help it ride out any brief power outages, and we added some ferrites to the audio cables going between the PC and the radios. We have had a bit of interference in the past from nearby radio systems and hope that those ferrites will help choke any EMI coming across those lines.
Please speak up if you notice anymore interference coming through this repeater.
The repeater is at 442.825 with an input of 447.825, and a pl of 136.5. It is connected full-time to the University Linked Repeater System which is another project we are working on. Look for more universities to join up in the spring, along with regular nets held there.