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Updated: 2026-09-22 18:57 Language: English (default) Access: Normal

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What is WA4USN?

WA4USN is the amateur radio call sign and identity of the Charleston Amateur Radio Society, a volunteer organization based in the Charleston area. The website serves as the club's public hub for people interested in amateur ("ham") radio, whether they are licensed operators, newcomers preparing for a license, or members of the public curious about emergency communications.

Typical content on such a site includes:

  • Club information – meeting schedules, officers, membership details and how to join.
  • Repeater and frequency details – the radio systems the club maintains for local communication.
  • Public service and emergency support – amateur radio operators often assist during storms, disasters and community events, and the society may coordinate such volunteer efforts.
  • Licensing and training – exam sessions, study resources and mentoring for those seeking a Federal Communications Commission amateur license.
  • News and events – field days, contests and social gatherings.

The primary audiences are local radio hobbyists, prospective members and community partners needing reliable backup communications. Its main trade-off is scope: it is a regional club site rather than a national or commercial resource, so its usefulness is greatest for people in or near Charleston. Those outside the area may still find general amateur radio material helpful but will likely rely on their own local organizations.

The official site is WA4USN.

What is the Charleston Amateur Radio Society?

The Charleston Amateur Radio Society is a U.S. amateur radio club that operates under the callsign WA4USN and publishes its information at WA4USN. It serves licensed amateur radio operators and newcomers in the Charleston area who are interested in radio communication, public service and technical experimentation.

What the club typically does

  • On-air activity: members exchange contacts, take part in nets and operate from home or portable stations.
  • Emergency and public service: amateur radio groups often support communications during storms, outages and community events, where normal systems may be strained.
  • Licensing and skills: clubs commonly help people study for FCC amateur radio licences, learn operating procedures and build antennas or low-power equipment.
  • Social and technical meetings: regular gatherings mix practical demonstrations with informal advice from more experienced operators.

Who it suits

The society is suited to people in or near Charleston who already hold an amateur licence, and to beginners deciding whether the hobby is worth the effort. It may also interest emergency-preparedness volunteers and shortwave listeners, although the focus is transmitting, not just listening.

Trade-offs

A local club offers hands-on mentoring, shared equipment knowledge and nearby contacts, but benefits depend on attending meetings and nets. Anyone outside the area can still read the site for general information, yet on-air and in-person activities will be less accessible.

How can I get involved with amateur radio in Charleston?

To get involved with amateur radio in Charleston, the local club WA4USN is a practical starting point. Its site represents the Charleston Amateur Radio Society, which typically serves as the hub for licensing help, on-air activity and community events in the area.

Typical paths into the hobby

  • Licensing support – Clubs usually guide newcomers through US amateur radio licence exams and can connect you with local testing sessions.
  • Mentorship – Experienced members often act as "elmers", helping with equipment choices, antenna basics and operating etiquette.
  • On-air practice – Local nets and repeaters give beginners a low-pressure way to build confidence.
  • Public service – Amateur operators commonly assist with events and emergency communications, which suits people who want a community-facing role.

Who it suits

The hobby appeals to tinkerers, shortwave listeners, emergency-preparedness advocates and anyone curious about radio technology. It is less suited to people seeking a purely passive pastime, since operating requires a licence and some study.

Trade-offs

Joining a club is inexpensive compared with buying equipment, but licence preparation takes time, and VHF/UHF handhelds have limited range without repeaters. HF operation offers long-distance contacts but usually costs more and needs antenna space. Check the club's site for meeting details, classes and local net schedules.

Does the Charleston Amateur Radio Society offer licensing classes or exams?

The Charleston Amateur Radio Society, which operates as WA4USN, is a local amateur radio club serving the Charleston area. Its website WA4USN is the primary place to check for current activities, announcements and member information.

For people hoping to earn or upgrade an amateur radio license, the key question is whether the club offers classes or exam sessions. Amateur radio clubs commonly support licensing in two ways:

  • Classes — structured instruction, often free or low-cost, that prepares newcomers for the Technician exam and sometimes General or Amateur Extra.
  • Exam sessions — volunteer examiner teams that administer the official FCC license exams, usually at a club meeting or community venue.

Whether WA4USN currently runs either depends on volunteer availability, so offerings can change from year to year. The site's calendar, news posts or contact page are the most reliable places to confirm upcoming sessions.

If the club does not list classes itself, nearby options typically include other regional clubs and ARRL-affiliated exam sessions. Contacting the club directly is the simplest way to ask about dates, prerequisites and study materials, since clubs often know of sessions run by neighboring groups.

What activities and events does the Charleston Amateur Radio Society organize?

The Charleston Amateur Radio Society, which operates under the callsign WA4USN, is a local amateur radio club serving the Charleston, South Carolina area. Its activities center on operating radio, public service and community support.

Typical activities include:

  • On-air nets – regularly scheduled radio check-ins where members practice communication, share traffic and test equipment.
  • License exams and classes – volunteer examiner sessions and entry-level instruction for people seeking or upgrading an amateur radio license.
  • Field Day and contests – operating events that combine emergency-preparedness practice with friendly competition.
  • Public service communications – providing radio support for community events such as races, parades and drills.
  • Meetings and social gatherings – periodic club meetings where members discuss projects, gear and upcoming events.
  • Emergency communications training – preparation to assist authorities during storms, outages or disasters.

The club is suited to licensed hams, newcomers curious about the hobby, and volunteers who want to help with event communications. Its main trade-off is that participation usually requires some radio equipment and licensing knowledge, though the club may help beginners get started. Details about specific dates and locations are best confirmed directly through WA4USN.

How can I contact or join the Charleston Amateur Radio Society?

The Charleston Amateur Radio Society operates as WA4USN and maintains its official site at WA4USN. The site is the natural starting point for anyone interested in contacting the group or applying for membership.

Contacting the Society

Amateur radio clubs typically list several ways to get in touch, and this site is no exception. Look for a contact page or a "Contact Us" section, which usually provides an email address for general inquiries and sometimes a mailing address or phone number. Because the club uses a call sign as its identity, correspondence often goes through the officers named on the site.

Joining the Club

Membership in an amateur radio society usually involves a short application and payment of annual dues. The site commonly outlines:

  • Eligibility requirements, such as holding an FCC amateur license or simply sharing an interest in radio.
  • A downloadable or online membership form.
  • Instructions for submitting dues, often by check or an online method.
  • Meeting times and locations, since attending a meeting is a frequent first step.

Practical Notes

Prospective members may find it helpful to attend a meeting before joining, as this lets them meet current operators and ask questions directly. If the site does not clearly state dues or procedures, contacting an officer by email is the simplest route. The organization is suited to licensed hams and newcomers alike, particularly those in the Charleston area interested in emergency communications, public service and on-air operating.

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Website Overview

Identifiable technologies and additional version or configuration signals make the service easier to fingerprint, which may help targeted scanners narrow their checks. An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality.

Domain and Registration

Registered in 2004, this domain has about 22 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain uses the common .org extension, which is not an independent safety signal.

DNS and Email

The observed email authentication setup is incomplete: DMARC is missing. Nameservers are provided by hostgator.com, indicating managed DNS hosting. MX records point to the wa4usn.org email service. DNSSEC signatures were not detected, so this additional DNS authenticity protection is not confirmed. The lowest observed DNS TTL is 14400 seconds.

TLS and Certificates

The certificate uses an RSA 2048-bit public key, offering broad client compatibility. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued by Let's Encrypt, commonly associated with automated certificate services. The certificate's total validity is about 89 days, consistent with a short renewal cycle.

HTTP and Browser Security

The checked browser-security headers were not detected, leaving fewer explicit browser-side safeguards. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. No obvious internal addresses or debug information were found in the headers. The Server header identifies Apache without an exact version. No explicit CDN or WAF marker was found in the response headers.

Technology Stack Analysis

The public page identifies WordPress 7.1.2, jQuery, Apache, with exact versions exposed for 1 technologies. These details can narrow vulnerability checks, although exposure alone is not a vulnerability.

Search and Social Sharing

No homepage meta description was detected, leaving snippet selection more dependent on page text. The Generator tag identifies WordPress 7.1.2, making the publishing system easier to fingerprint. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. No Open Graph metadata was detected, so social previews may depend on platform inference. The title has 41 characters, within a common display range.

Hosting and Email

DNShostgator.com
Hostingwa4usn.org
Emailwa4usn.org
Location United States flagAshburn, Virginia, United States 192.185.21.144

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Pages, Search and Sharing

Meta descriptionNot detected
Canonical URLNot detected
LanguageEnglish (default)
Twitter CardNot detected

Unknown

All bots 1 allowed · 1 disallowed
  • Allow/CARS/wp-admin/admin-ajax.php
  • Disallow/CARS/wp-admin/

Registration details RDAP / WHOIS

RegistrareNom, LLC
Registered2004-08-10
Expires2027-08-10
Domain statusclient transfer prohibited
Nameserversns1753.hostgator.com、ns1754.hostgator.com
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Awa4usn.org192.185.21.14414400
MXwa4usn.orgwa4usn.org144000
NSwa4usn.orgns1753.hostgator.com86400
NSwa4usn.orgns1754.hostgator.com86400
TXTwa4usn.orgv=spf1 ip4:184.173.239.119 a mx include:websitewelcome.com ~all14400
CNAMEwww.wa4usn.orgwa4usn.org14400

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectwww.peg.vju.temporary.site
IssuerLet's Encrypt
Valid until2026-12-01T00:55 · Remaining when checked: 69 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html; charset=UTF-8
serverApache

Identified technologies

WordPress 7.1.2jQueryApache