2026-07-07 SEMARC Home Page SEMARC (South East Metro Amateur Radio Club) is a 501(c)(3) amateur radio club based in Cottage Grove, Minnesota, active since 1988 and affiliated with the ARRL. The site covers club meetings, volunteer examiner testing sessions, public service events, emergency communications, and membership information for ham radio enthusiasts in the Twin Cities metro area.
2026-07-07 SERA – Southeastern Repeater Association SERA, the Southeastern Repeater Association, is the largest amateur radio repeater coordinating organization in the United States, serving ham radio operators across Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia. The site provides frequency coordination resources, band plans across multiple frequency ranges, a coordinated repeater database, and membership information for licensed amateur radio operators in the Southeast.
2026-07-07 SFFMA The South Florida FM Association (SFFMA) is a Miami-area amateur radio club operating multiple repeaters across the region, with real-time emergency status information and a live audio feed of their 147.000 MHz repeater. The site includes repeater listings, meeting schedules at the Miami-Dade EOC, member resources, and photo galleries of their tower and equipment installations.
2026-07-07 SFVARC 2021 Monthly board meeting notes January February March April May June July August September October November The San Fernando Valley Amateur Radio Club (SFVARC) maintains this archive of monthly board meeting notes spanning 2021 through 2024, offering a detailed record of club governance and activities. Visitors can also browse club inventory lists with photos and Field Day maps, making it a practical resource for current and prospective members.
2026-07-07 Shacklog Shacklog is a UK-developed amateur radio logging software package claiming to be the most popular of its kind written and supported in the UK, used by radio amateurs and shortwave listeners worldwide. The software supports a wide range of features including ADIF, CAT control, DX Cluster, QSO logging, contest logging, and IOTA tracking.
2026-07-07 Shelfmarks and shortwave | The SWLing Post The SWLing Post is a dedicated blog covering shortwave listening, ham radio, DXing, SDR technology, and radio broadcasting from around the world. With reviews, program schedules, equipment guides, and community contributions, it's a rich hub for radio enthusiasts of all stripes.
2026-07-07 Shortwave Radio Reviews Compiled by John Lloyd (KE4UTX), this site collects shortwave receiver reviews submitted by readers of the Rec.radio.shortwave newsgroup, covering dozens of models from brands like Sony, Grundig, Icom, Kenwood, and Sangean. Each review includes pricing, dimensions, and hands-on user impressions, making it a practical reference for shortwave enthusiasts comparing receivers.
2026-07-07 Shreveport Amateur Radio Association K5SAR – An ARRL Special Service Club The Shreveport Amateur Radio Association (K5SAR) is an ARRL Special Service Club based in Northwest Louisiana, founded in 1978 and serving over 120 licensed ham radio operators of all ages and experience levels. The site covers club membership, public service events, SKYWARN severe weather communications, hamfests, license exam resources, and local repeater information.
2026-07-07 Singapore Amateur Radio Transmitting Society – SARTS The Singapore Amateur Radio Transmitting Society (SARTS) is the national organization for ham radio enthusiasts in Singapore, offering resources on licensing, frequency bands, and getting started with amateur radio. The site features news posts on topics like FreeDV signals, web SDRs, and satellite launches, along with a marketplace, gallery, and membership information for the local ham community.
2026-07-07 SKCC - Straight Key Century Club The Straight Key Century Club (SKCC) is a worldwide organization dedicated to CW (Morse code) enthusiasts who use traditional straight keys, bugs, and side-swiper keys on the air. With nearly 31,000 members and a rich program of sprints, awards, sked pages, and beginner resources, it is one of the largest and most active amateur radio clubs focused on traditional hand-keying.
2026-07-07 SM3CER Contest Service - Homepage SM3CER Contest Service, run by Jan-Eric Rehn of Sweden, is a comprehensive hub for amateur radio contesters featuring a worldwide contest calendar, contest rules, results, and software links. Active since 1997, the site aggregates mailing lists, DX spotting tools, callsign lookups, and contest-related resources that make it an indispensable reference for serious ham radio operators.
2026-07-07 Small Wonder QRP K.P.S. Kang's blog dedicated to QRP (low-power) radio building, featuring homebrew transceiver projects, circuit schematics, and PCB layouts for minimalist radio construction. Posts cover topics like speech processors, SSB transceivers, and the FIREO low-power transceiver design, making it a useful resource for amateur radio homebrewers.
2026-07-07 Small Wonder QRP K.P.S. Kang's blog dedicated to QRP (low power) radio transceiver design, featuring detailed technical write-ups on homebrew SSB/CW transceivers like the FIREO, which uses an innovative FM limiter circuit for speech compression. A must-read for ham radio enthusiasts interested in minimalist radio construction and RF engineering theory.
2026-07-07 SMARC Home SMARC (Sparks Mountain Amateur Radio Club) is a 501(c)(3) nonprofit amateur radio club featuring meeting announcements, a club magazine called SMARC Sparks, and resources including a Hamfest schedule and Arduino class materials. The site serves as a hub for local ham radio enthusiasts with links to reference files, useful ham radio resources, and club news from the president's shack.
2026-07-07 SMCARA Club Members List The St. Mary's County Amateur Radio Association (SMCARA) has been supporting amateur radio operators in southern Maryland since 1956, and this page presents their full club membership roster with call signs, license classes, and ARRL/volunteer examiner status. With 62 members listed and resources for becoming a ham radio operator, the site offers a solid look at an active regional ham radio club.
2026-07-07 SMCC Main Page The Six Meter Club of Chicago (SMCC) is a Chicago-area amateur radio club promoting activity across HF, VHF, and UHF bands, with a focus on six-meter operations, emergency communications, and community radio services. The site lists 2020 meeting dates, net schedules including a Tuesday ragchew net on 50.130 MHz USB, a Two Meter FM Info Net, and a Thursday Digital SSTV net using EasyPal software.
2026-07-07 Society of Amateur Radio Astronomers The Society of Amateur Radio Astronomers (SARA) is a membership organization dedicated to the practice and promotion of radio astronomy among hobbyists, students, and educators. The site offers a wealth of resources including a peer-reviewed journal, educational guides for getting started, student grant programs, project sections, and details about annual conferences held across the United States.
2026-07-07 Society of Ether Explorers -- San Francisco The Society of Ether Explorers (K6SEE) is a San Francisco amateur radio club of experimenters, hackers, and tinkerers focused on esoteric and unusual aspects of wireless communication. Their site documents club members, ongoing projects like the 33cm repeater conversion effort (Project 33), ATV repeating, and remote base control builds from the late 1990s.
2026-07-07 SOUTH HILLS AMATEUR RADIO CLUB, INC. The South Hills Amateur Radio Club (SHARC) is a 501(c)(3) non-profit based in Pittsburgh, Pennsylvania, serving ham radio enthusiasts across the South Hills region with callsigns KS3R, N3WX, and W3PIT. The site offers detailed information on club repeaters, Field Day events, membership, VE testing schedules, and an extensive swap-and-shop classifieds section for amateur radio equipment.
2026-07-07 Southern California Contest Club The Southern California Contest Club, established in 1976, is the official web presence for a Southern California amateur radio contesting group, featuring a full calendar of upcoming ham radio contests including ARRL, CQ WPX, NAQP, and many other events. Visitors will find contest schedules, club information, and resources aimed at SoCal operators who participate in competitive radio contesting.
2026-07-07 Southern California DX Club (SCDXC) Home Page The Southern California DX Club (SCDXC) is a 77-year-old amateur radio organization focused on DX (long-distance) contacts, bringing together ham radio enthusiasts across the Southern California region. The site hosts membership info, newsletters, a digital library of amateur radio materials, and links to key resources like the ARRL, NCDXF, and QSL bureau services.
2026-07-07 Southern California Repeater and Remote Base Association The Southern California Repeater and Remote Base Association (SCRRBA) is a volunteer organization that has coordinated amateur radio frequencies across Southern California since 1970, maintaining over 2,400 frequency coordination records. Visitors can find band plans, hotspot radio guidance, open repeater listings, and coordination policies covering frequencies from 29MHz through microwave bands.
2026-07-07 Southern California Transmitter Hunters The Southern California Transmitter Hunters is a club dedicated to amateur radio direction finding (RDF), where participants use specialized antenna equipment to track down hidden transmitters. The site covers upcoming hunts, past results, equipment guides, hunt boundaries, and stories from the field, making it a rich resource for the local ham radio foxhunting community.
2026-07-07 Southwest Metro Amateur Radio Transmitting Society SMARTS is the Southwest Metro Amateur Radio Transmitting Society, a ham radio club serving members who are licensed or pursuing their FCC Part 97 amateur radio license. The club hosts weekly nets on the WB0RMK repeater, monthly meetings, and community breakfasts, making it a welcoming hub for both new and experienced ham radio operators.
2026-07-07 SSB Electronic Home Page SSB Electronic USA is a Pennsylvania-based specialty retailer focused on VHF, UHF, and SHF amateur radio equipment, offering products like GaAsFET preamplifiers, transverter systems, low-noise LNAs, and satellite gear. Featuring brands such as MUTEK, M2 Inc., WinRadio, and AIRCOM, this mid-1990s catalog site serves serious ham radio operators and microwave enthusiasts looking for high-performance RF components.
2026-07-07 SSS Online - EMI / EMC STUFF Page Part of the Spread Spectrum Scene (SSS Online) website, this page is a curated link directory focused on Earth-Moon-Earth (EME) moonbounce communications for ham radio operators. Visitors will find links to operator pages, equipment guides, activity loggers, and resources covering weak signal propagation, SETI, DSP, and related amateur radio topics.
2026-07-07 Steve's Weather,and Ham Radio page Steve (KB9JWD) is a ham radio operator and trained weather spotter from Downers Grove, Illinois who built this page to share his twin passions for amateur radio and meteorology. Visitors will find links to SKYWARN spotter gear, the QRZ callsign database, amateur radio practice exams, local radio club pages, and weather resources.
2026-07-07 Stony Creek Amateur Radio Rocky Mount, NC NC4FM Stony Creek Amateur Radio (NC4FM) is a tax-exempt ham radio club based in Rocky Mount, North Carolina, founded in 2000 to mentor new operators, provide emergency communications, and participate in ARRL contests. The site covers repeater information, Field Day events, license testing, and local amateur radio organizations across the region.