{"slug":"jefferson","name":"Jefferson","page":"https://indianahamradio.com/counties/jefferson/","generated":"2026-10-29","clubs":[{"name":"Clifty Amateur Radio Society (W9EFU)","website":"https://w9efu.wordpress.com","email":"ka9pij@arrl.org","facebook":"https://www.facebook.com/groups/1278131608901811/","meeting":{"when":"1st Thursday monthly","time":"7:00 PM","where":"Jefferson County EMA Building, 620 Green Rd, Madison, IN","source":"https://w9efu.wordpress.com","checked":"2026-09-27"}}],"hasClub":true,"stats":{"name":"Jefferson","pop":33056,"operators":86,"clubs":3,"operatorsGrace":3,"clubsGrace":null,"hamsFccActive":92,"byClass":{"A":5,"E":19,"G":27,"N":2,"T":33}},"licenseTrend":{"name":"Jefferson","operators":[86,90,91,90,93,90,87,86,87,86,87,91,91,90,89,88,87,90,91,90,91,87,86,87,82,83,86],"newLicenses":[1,4,4,null,3,1,null,1,1,null,2,6,3,2,2,2,null,7,3,2,2,1,5,2,1,1,4]},"repeaters":[{"freq":"145.170","mhz":145.17,"band":"2m","offset":"-0.6","tone":"103.5","mode":"FM","city":"Madison","county":"Jefferson","countySlug":"jefferson","owner":"Clifty Amateur Radio Society (W9EFU)","source":"club","sources":["club","IRC"],"coordinated":true,"irc":{"call":"W9EFU","sponsor":"CLIFTY ARS","notes":"O 103.5es WX"},"loc":{"city":"Madison","county":"Jefferson","countySlug":"jefferson","lat":38.758829,"lon":-85.397135,"source":"IRC","geoSource":"census"}},{"freq":"443.475","mhz":443.475,"band":"70cm","offset":"+5","tone":"103.5","mode":"FM","city":"Madison","county":"Jefferson","countySlug":"jefferson","owner":"Clifty Amateur Radio Society (W9EFU)","source":"club","sources":["club","IRC"],"coordinated":true,"irc":{"call":"W9EFU","sponsor":"CLIFTY ARS","notes":"O 103.5ers"},"loc":{"city":"Madison","county":"Jefferson","countySlug":"jefferson","lat":38.758829,"lon":-85.397135,"source":"IRC","geoSource":"census"}}],"coordinated":{"count":2,"repeaters":[{"freq":"145.17","mhz":145.17,"band":"2m","offset":"-0.6","offsetSource":"standard","tone":"103.5","call":"W9EFU","sponsor":"CLIFTY ARS","notes":"O 103.5es WX","city":"Madison","county":"Jefferson","countySlug":"jefferson","lat":38.758829,"lon":-85.397135,"geoSource":"census"},{"freq":"443.475","mhz":443.475,"band":"70cm","offset":"+5.0","offsetSource":"standard","tone":"103.5","call":"W9EFU","sponsor":"CLIFTY ARS","notes":"O 103.5ers","city":"Madison","county":"Jefferson","countySlug":"jefferson","lat":38.758829,"lon":-85.397135,"geoSource":"census"}],"note":"Coordinated repeaters are the Indiana Repeater Council's records, credited to the Council (https://flexweb.ircinc.org/search.html); see ircRepeaters.json in the index for the terms. The same applies to the Council details (`irc`, and locations marked IRC) on the club rows above.","source":"https://flexweb.ircinc.org/search.html"},"nets":[{"name":"Clifty Amateur Radio Society Net","scope":"Local","county":"Jefferson","countySlug":"jefferson","day":"Thursday","time":"7:30 PM","freq":"145.170 MHz (-0.6, PL 103.5)","mode":"FM","source":"Clifty Amateur Radio Society repeater and net information","sourceUrl":"https://w9efu.wordpress.com/events/","transcribedFrom":"state/indiana/counties/jefferson.json","note":"The club states the net runs every Thursday \"excluding club meeting nights\", and its meetings are the 1st Thursday at 7:00 PM -- so there is no net on the first Thursday of the month."},{"name":"Clifty Amateur Radio Society 70cm Net","scope":"Local","county":"Jefferson","countySlug":"jefferson","day":"Thursday","time":"Immediately following the 2m net (3rd Thursday)","freq":"443.475 MHz (+5, PL 103.5)","mode":"FM","source":"Clifty Amateur Radio Society repeater and net information","sourceUrl":"https://w9efu.wordpress.com/events/","transcribedFrom":"state/indiana/counties/jefferson.json"}],"emergency":{"county":"Jefferson","district":"9","idhsDistrict":"9","nws":"LMK","ema":{"website":"https://jeffersoncounty.in.gov/265/Emergency-Management-Agency","recordUpdated":"2024-11-26"},"ec":{"status":"vacant","issue":"2025-09"}},"hamfests":[],"examSessions":[],"neighbors":[{"name":"Clark","slug":"clark"},{"name":"Jennings","slug":"jennings"},{"name":"Ripley","slug":"ripley"},{"name":"Scott","slug":"scott"},{"name":"Switzerland","slug":"switzerland"}],"centroid":[38.75,-85.4428],"nws":{"countyZone":"INC077","cwa":"LMK","forecastZone":"INZ079","radarStation":"KLVX","timeZone":"America/Indiana/Indianapolis","office":{"address":"6201 Theiler Lane, Louisville, KY 40229-1476","email":"nws.louisville@noaa.gov","id":"LMK","name":"National Weather Service Louisville, KY","phone":"502-969-8842","url":"https://www.weather.gov/lmk"}},"terms":"Ours unless an entry says otherwise. Use it freely; see https://indianahamradio.com/data/index.json for per-dataset provenance. The Indiana Repeater Council is the source of its coordination details on the repeater rows (`irc`, and locations marked IRC) and of the `coordinated` list: credit the Council and link to its directory, https://flexweb.ircinc.org/search.html."}