Content in the TECHNICAL category

Content (e.g. blog posts, information pages, and files/links) about the activities of the RRRA Technical Committee and the equipment/systems they maintain, along with technical topics of general interest.
Technical

IRLP

What is IRLP? Central ND IRLP Hotlink Using IRLP Rules of Operation Connecting Disconnecting Central ND Hotlink Features ND IRLP Station Nodes IRLP Reflectors Need Help? Would You Like To Know More? What is IRLP? The Internet Radio Linking Project, also called IRLP, is a closed-source project that links amateur radio stations around the world by using Voice over IP (VoIP). Each gateway consists of a dedicated computer running custom software that is connected to both a radio and the Internet.
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Technical

Red River Valley Repeaters

Location ID & Mode Frequency Notes Barnesville, MN KC0SD Analog 147.060 + T123 SuperLINK Detroit Lakes, MN W0EMZ Analog 147.195 + Detroit Lakes ARC Fargo, ND K0EED Analog 145.490 - T82.5 IRLP #4549 Fargo, ND KD0SWQ D-STAR 444.000 + NDSU Fargo, ND W0HSC Analog 147.090 + NDSU Amateur Radio Society Fargo, ND W0RRW
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Technical

QRM.guru Can Help With Interference

Do you need help resolving Amateur Radio intereference issues? QRM.guru is here to help!

QRM.guru, sponsored by The Amateur Radio Society of Australia Inc., is an educational and reference resource developed to assist Amateur Radio operators mitigate RF noise issues. Although developed for VK hams, this resource contains information useful worldwide.

QRM.guru is a responsive (i.e. “mobile friendly”) and comprehensive resource intended to help hams with:

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Technical

A harbinger of Solar Cycle 25?

On November 19, 2018, Dr. Tony Phillips reported in his A Sunspot from the Next Solar Cycle article that an ephemeral sunspot with a reversed magnetic field was detected by Nasa’s Solar Dynamics Observatory at 21:00 UT on November 17th, 2018. This sunspot matches two previously reported spots and suggests that the “ slow transition between Solar Cycle 24 and Solar Cycle 25 appears to be underway.”1

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