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Access key:
Open No membership required — just program the PL and talk.
Member Membership or club affiliation preferred/required for TX.
Private Closed system — invitation or specific group only.
Always verify current PL tones via RepeaterBook.com before programming — tones do change.

Mt. Wilson (5,710 ft) dominates LA repeater coverage — virtually every major system has a machine there. Santiago Peak and Saddle Peak fill in the south and west flanks.

SystemCallFreq (MHz)OffsetPLModeAccessSite / CoverageNotes
WIN SystemK6JSI448.060100.0FMOpenSantiago Peak — LA Basin & OCWIN System flagship SoCal node. 100+ linked repeaters. IRLP Node 9100. Always activity.
WIN SystemK6JSI448.900100.0FMOpenChatsworth / SFV loop — LA & SFVWIN System SFV/LA node. Great starting point for LA-area hams. Always someone on.
WIN SystemK6JSI446.460100.0FMOpenMt. Disappointment — SFV / Angeles NFWIN node with good coverage into the SFV, foothill communities, and High Desert approaches.
WIN SystemK6JSI447.580100.0FMOpenSanta Anita Ridge — LA / OC borderWIN System mid-basin node filling the gap between Santiago and Mt. Disappointment.
PAPA 08WA6YBN448.420100.0FM / DMRMemberMt. Wilson — LA Basin-widePAPA System. Huge Mt. Wilson analog coverage. Linked to all PAPA sites. 33 analog + DMR/D-STAR network.
PAPA 04WA6YBN447.680100.0FM / D-STAR / DMR / P25MemberSaddle Peak — West LA, Santa Monica, MalibuPAPA System multimode hub. Covers the entire Westside of LA. D-STAR, DMR, and P25 all on-site.
PAPA 06WA6YBN447.260100.0FMMemberMt. Lukens — Northeast LA / SFVPAPA System Mt. Lukens site. Covers the northeast LA basin and upper SFV areas.
ATV NetworkW6ATN448.420NoneATV / FM voiceOpenMt. Wilson — LA Basin-wideAmateur Television voice coordination repeater. 2m voice on 448.420 alongside ATV downlink at 1265.25 MHz.
SOCALINKWB6MYD146.625100.0FMOpenMt. Wilson — LA / PasadenaPasadena ARC linked machine. Good Mt. Wilson coverage, active Pasadena/SGV community.
SOCALINKW6SCO224.100100.0FM (220 MHz)OpenMt. Wilson — LA Basin220 MHz option from a top LA site. Great if you want a less-crowded band with excellent coverage.
CARAAA6DP147.090+No PLFMOpenCatalina Island — SoCal-wide + marineSolar-powered, 50+ years active. Unique: covers both the basin AND out to sea. Great marine mobile option.
DARNK6LNK445.140DCS 211FM (DCS)OpenMt. Wilson — LA County hospitalsLA County's DARN (Digital Amateur Radio Network) — hospital ARES/EmComm system. Open for monitoring; check in during nets.

The SFV is served primarily by the WIN System loop, PAPA Chatsworth, and WD6EBY's linked system. Ventura County has excellent coverage from Sulphur Mountain and Rasnow Peak.

SystemCallFreq (MHz)OffsetPLModeAccessSite / CoverageNotes
WIN SystemK6JSI448.940100.0FMOpenThousand Oaks / Chatsworth PeakWIN node covering Thousand Oaks, Moorpark, Simi Valley, and the western SFV. Well-used daily.
VC ACS/ARESWD6EBY145.200127.3FMOpenSulphur Mountain — Ventura County-wideThe definitive Ventura County repeater. County-wide ACS/ARES machine. Linked to Camarillo Hills, Ojai, Chatsworth Peak, Rasnow Peak, Laguna Peak, Santa Ynez Peak.
VC ACS/ARESWD6EBY449.020127.3FMOpenSulphur Mountain — Ventura County70cm companion to 145.200. Same linked system, same great coverage. Program both.
PAPA 30WA6YBN446.360156.7FMMemberSouth Mountain — VenturaPAPA System's Ventura site. Added in 2022. Good coverage of the Oxnard plain and surrounding areas.
WIN SystemK6JSI448.900123.0FMOpenSanta Ynez Peak — Santa Barbara / VenturaWIN node with excellent Santa Barbara and North Ventura County coverage. Note different PL than LA WIN nodes.
LARC / SFVW6VR146.505+100.0FMOpenChatsworth Peak — West SFVLARC Chatsworth machine. Good west SFV coverage, ties into the wider LA repeater community.

Santiago Peak (5,689 ft) is OC's dominant repeater site. PAPA has multiple machines there (PAPA 03 / PAPA 05) and the WIN System anchor node 448.060 lives there too.

SystemCallFreq (MHz)OffsetPLModeAccessSite / CoverageNotes
OC ARESW4MCO443.050+103.5FMOpenDowntown OC — county-wideOC ARES primary analog machine. Active, well-maintained community. Five-site linked system (East OC, Pine Hills, OIA, SW OC).
OC ARESW4MCO146.625103.5FMOpenOC — multi-site linkedOC ARES 2m analog linked machine. Companion to 443.050. Good countywide coverage when linked.
PAPA 03WA6YBN446.760100.0FM / D-STAR / DMRMemberSantiago Peak — LA, OC, SD, RiversidePAPA System flagship. Massive multi-county coverage. D-STAR and DMR also on-site. Free to listen, membership to TX.
PAPA 05WA6YBN447.340100.0FM / DMRMemberSignal Peak (Laguna) — Coastal OC / SDPAPA System Laguna site. Covers the coastal Orange County and North San Diego County corridor.
WIN SystemK6JSI448.060100.0FMOpenSantiago Peak — OC / LA BasinWIN anchor node — same machine as LA section. If you're in OC this is your first stop.
Condor ConnectionK8BUW224.820156.7FM (220 MHz)OpenSantiago Peak — OC / InlandCondor Connection 220 MHz node. Free, open, less crowded than 2m. Linked across CA/NV/AZ.
OCFAW6STR147.315+100.0FMOpenAnaheim Hills — Central OCOC Fire Authority area. Active local machine. Good for central and north-central OC.
OCARCN6ME147.195+127.3FMOpenPleasants Peak — South OCOrange County Amateur Radio Club. Well-regarded Pleasants Peak site — great South OC and North SD coverage.
Calnet (PAPA)WA6YBN441.950+127.3FM / DMR (AllStar)OpenPleasants Peak — OC / SD / RiversideCalnet Repeater Group node. AllStar and Brandmeister DMR. Excellent Pleasants Peak coverage. Open to all.

Palomar Mountain (5,560 ft) is the heart of San Diego repeater coverage. PARC (W6NWG) runs the county's flagship system there with multiple 2m, 70cm, 6m, and C4FM machines. SD ARES has a solid linked trio.

SystemCallFreq (MHz)OffsetPLModeAccessSite / CoverageNotes
PARCW6NWG146.730107.2FM / C4FMOpenPalomar Mtn — SD County-widePARC flagship. Covers most of San Diego County reliably. Fusion/FM dual-mode. Outstanding audio quality.
PARCW6NWG147.075+107.2FM / C4FMOpenPalomar Mtn — SD CountySecond PARC Palomar 2m machine. C4FM enabled. Great backup for 146.730. Same coverage.
PARCW6NWG147.130+107.2FM / C4FMOpenPalomar Mtn — SD CountyThird PARC Palomar 2m machine. Additional coverage option. Fusion and analog.
PARCW6NWG447.000107.2FM / C4FMOpenPalomar Mtn — SD County (UHF)PARC 70cm on Palomar. EchoLink Node W6NWG-R. Wide UHF coverage across SD County.
PARCW6NWG52.680−0.500107.2FM (6m)OpenPalomar Mtn — SD County6-meter machine — try the magic band! Active during E-skip. One of very few 6m repeaters in SoCal.
SD ARESW6SDR147.060+107.2FMOpenLyons Peak — SD County ARESSD ARES primary 2m. Part of the linked ARES trio (147.060 / 449.260 / 449.440). EmComm + daily use.
SD ARESW6SDR449.260107.2FMOpenMulti-site linked — SD CountySD ARES linked 70cm. Part of the three-machine linked trio. Good fallback when 2m is busy.
SD ARESW6SDR449.440107.2FMOpenMulti-site linked — SD CountyThird leg of the SD ARES trio. All three linked and widely used daily.
MetroNETKB3PX146.970107.2FMOpenVista — North San Diego CountyMetroNET linked system. Also linked to 224.440 − and 224.020 −. Active North SD County community.
Fallbrook ARCN6FQ146.175+107.2FMOpenRed Mountain — North SD / SW RiversideLinked to 445.600 −. Covers the North SD / SW Riverside gap that Palomar doesn't quite reach.
HARSKK6KD147.945107.2FM / C4FMOpenMt. San Miguel — South SD / TijuanaHispanic ARS. Unique cross-border coverage into Tijuana, Mexico. Also 448.460 − PL 151.4. Active bilingual community.
WIN SystemK6JSI447.640100.0FMOpenMt. Otay — South San DiegoWIN System San Diego node. Good South County and Chula Vista coverage.
WIN SystemK6JSI449.080123.0FMOpenPalomar Mtn — North SDWIN System Palomar node. Note PL 123.0 — different from PARC on same mountain.
WIN SystemK6JSI448.800100.0FMOpenVista — Oceanside / North SDWIN System Vista/Oceanside node. Good North Coastal SD coverage.
PAPA 11/12WA6YBN448.160100.0FM / DMR / D-STARMemberBlack Mountain — North SDPAPA System North San Diego site. Multimode coverage for north county and inland areas.
PAPA 31WA6YBN447.640103.5FMMemberDaniel Peak — East SD County / DesertsPAPA System east SD / desert access node. Covers the Anza-Borrego approaches.
Condor ConnectionW2IRI223.940141.3FM (220 MHz)OpenLyons Peak — San Diego CountyCondor Connection 220 MHz SD node. Open, linked, low-traffic band. Hidden gem for local comms.

The IE has some of SoCal's most active repeater communities. Keller Peak, Heaps Peak, and the Redlands area are the anchors. PAPA has several IE sites as well.

SystemCallFreq (MHz)OffsetPLModeAccessSite / CoverageNotes
KPRAKE6TZG146.385+146.2FMMemberKeller Peak — IE-wide, LA, OC, SDIE's most active repeater by far. Daily swap, trivia, outdoor, traffic nets. Friendly community. IRLP #3216. Membership highly recommended.
KPRAKE6TZG224.040146.2FM (220 MHz)MemberKeller Peak — IE 220 MHzKPRA 220 MHz companion machine. Same great site, same active community. Less crowded than 2m.
KPRAKE6TZG449.925146.2FMMemberKeller Peak — IE 70cmKPRA 70cm machine. Same membership structure. Program all three KPRA machines.
Heaps Peak ARCW6TOP146.085+127.3FMOpenHeaps Peak — IE, LA, OC, Riverside, SBOutstanding multi-county reach. One of the best standalone sites in all of SoCal. Very active.
WIN SystemK6JSI147.210+100.0FMOpenSunset Ridge — Pomona / West RiversideWIN System Sunset Ridge 2m node. IE/LA border coverage. Good for commuters on the 10 and 60 corridors.
WIN SystemK6JSI224.16071.9FM (220 MHz)OpenSunset Ridge — Pomona / Riverside (220 MHz)WIN System 220 MHz node at Sunset Ridge. Open and free. Low traffic band.
PAPA 21WA6YBN146.730127.3FMMemberRedlands — San Bernardino ValleyPAPA System Redlands 2m site. Good San Bernardino Valley and Redlands/Highland coverage.
PAPA 24WA6YBN447.700100.0FM / DMRMemberElsinore Peak — SW Riverside / Lake ElsinorePAPA System southwest Riverside node. Covers Lake Elsinore / Murrieta / Temecula corridor.
Condor ConnectionWB6RHQ223.840156.7FM (220 MHz)OpenQuartzite Mtn — Victorville / High Desert IECondor Connection 220 MHz node. Covers the Victor Valley and High Desert IE areas. Open, free.
Redlands ARCW6ELA146.775100.0FMOpenRedlands — San Bernardino metroRedlands Amateur Radio Club. Active club machine covering the SB metro and surrounding communities.
San Bernardino ARCK6SRH147.885100.0FMOpenSan Bernardino areaSBARC club repeater. Active, community-focused. Good for San Bernardino city and nearby areas.
PAPA 28WA6YBN447.000127.3FMMemberNeedles — East IE / AZ BorderPAPA System easternmost SoCal node. Covers Needles and the Colorado River corridor. Good I-40 coverage.

The Mojave/Antelope Valley area has fewer high-site options but good coverage via Mt. Disappointment (WIN), Frazier Peak, and local club machines in Palmdale/Lancaster.

SystemCallFreq (MHz)OffsetPLModeAccessSite / CoverageNotes
WIN SystemK6JSI446.460100.0FMOpenMt. Disappointment — SFV / High Desert approachesWIN node with the best reach into the Antelope Valley from the south. Open and active.
Condor ConnectionWB6RHQ224.720156.7FM (220 MHz)OpenFrazier Mountain — Gorman / I-5 corridorCondor Connection 220 MHz Frazier Mtn node. Covers the Gorman/Tejon Pass area — great for I-5 travelers.
Condor ConnectionWA6YBN223.940156.7FM (220 MHz)OpenRasnow Peak — Thousand Oaks / AVCondor Connection Rasnow Peak node. Reaches from Ventura County north into the Antelope Valley.
Antelope Valley ARCN6CA146.640100.0FMOpenAntelope Valley / Palmdale-LancasterAVARC primary repeater. Primary hub for the Palmdale/Lancaster/Rosamond ham community. Active club nets.
Victorville ARCW6LIE146.505+100.0FMOpenVictor Valley — Victorville / Hesperia / Apple ValleyVictorville ARC machine. Primary hub for the Victor Valley ham community. Active EmComm affiliation.
PAPA 29WA6YBN448.400127.3FMMemberLow Potosi Mtn — Las Vegas / NV borderPAPA System's Nevada node. On the way to Las Vegas — great I-15 corridor coverage into Nevada.

The Coachella Valley has a solid local repeater community built around Palm Springs, Indio, and the Desert Arc. Toro Peak (8,716 ft) is the dominant high site for the region.

SystemCallFreq (MHz)OffsetPLModeAccessSite / CoverageNotes
Desert ARCW6DXW146.760107.2FMOpenCoachella Valley — Palm Springs / IndioDesert ARC primary machine. Most-used everyday repeater in the Coachella Valley. Active community.
Desert ARCW6DXW447.680107.2FMOpenCoachella Valley — 70cmDesert ARC 70cm companion to 146.760. Program both for full valley coverage.
Condor ConnectionWB6RHQ224.180156.7FM (220 MHz)OpenToro Peak — Palm Desert / Coachella ValleyCondor Connection 220 MHz at the dominant valley high site (8,716 ft). Excellent valley floor coverage.
PAPA 25WA6YBN447.200100.0FMMemberToro Peak — Coachella Valley / DesertPAPA System Toro Peak node. Excellent Coachella Valley and Anza-Borrego Desert coverage from an extreme high site.
RCARCK6LNK147.045+100.0FMOpenPalm Springs areaRiverside County ARC Coachella Valley machine. Active club, good for the greater Palm Springs area.

New to an area? This is the single best everyday repeater to try first. These are not emergency frequencies — just the best starting points for a QSO.

AreaBest First StopFreq (MHz)PLAccessWhy
🌆 Los Angeles BasinWIN — Santiago Peak (K6JSI)448.060 −100.0OpenOpen, wide LA Basin coverage, always activity. Best first machine for LA.
🏔️ San Fernando ValleyWIN — Chatsworth / SFV (K6JSI)448.900 −100.0OpenWIN SFV node. Active all day. Good Simi, Chatsworth, and Van Nuys coverage.
🏄 Orange CountyOC ARES — W4MCO443.050 +103.5OpenOC's best-maintained open machine. Active, well-run community with five linked sites.
⛵ San DiegoPARC — Palomar Mtn (W6NWG)146.730 −107.2OpenSD's flagship repeater. Outstanding audio, county-wide coverage, daily activity.
🏔️ Inland EmpireKPRA — Keller Peak (KE6TZG)146.385 +146.2MemberIE's most active machine by a wide margin. Multiple daily nets. Membership worth it.
🌊 Ventura CountyVC ACS/ARES — Sulphur Mtn (WD6EBY)145.200 −127.3OpenCounty-wide coverage, multi-site linked. The definitive Ventura County machine.
🌴 Santa BarbaraWIN — Santa Ynez Peak (K6JSI)448.900 −123.0OpenBest single-repeater SB county coverage. Note PL 123.0 — different from LA WIN nodes.
🏜️ High Desert / AVAVARC — Antelope Valley (N6CA)146.640 −100.0OpenThe local club machine everyone in the AV knows. Active nets and friendly community.
🌵 Coachella ValleyDesert ARC (W6DXW)146.760 −107.2OpenPrimary local machine for Palm Springs / Indio / Coachella area. Active daily.
⛰️ San Bernardino MtnsHeaps Peak ARC (W6TOP)146.085 +127.3OpenExcellent mountain site — wide reach into surrounding valleys. Active community.
🌊 Catalina IslandCARA — Catalina ARC (AA6DP)147.090 +No PLOpenSolar-powered, open, works out to sea. Unique marine coverage. 50+ years active.
☀️ HF CONDITIONS
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