Last updated: August 2026
Global rank: Worldwide · 2026-08
#588,735
AI visibility: Grade C
67
SEO health: Not audited
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Visits
0
per month, estimated
Keywords
0
ranking in Google
Organic share
0%
of all search traffic
LLMS.txt
Published
154 lines AI engines can read
You're seeing the free preview of w1hkj.com
w1hkj.com Web Traffic Statistics
Key findings
- W1HKJ Software (Amateur Radio) is ranked #588,735 worldwide in our August 2026 domain ranking, up 21,160 places from #609,895 in July 2026.
- Its AI visibility score is 67 out of 100 (grade C), with a published llms.txt of 154 lines.
| Month | Rank | Move |
|---|---|---|
| August 2026 | #588,735 | ▲ 21,160 |
| July 2026 | #609,895 | ▲ 68,746 |
| June 2026 | #678,641 | — |
| May 2026 | #678,641 | ▲ 169,570 |
| April 2026 | #848,211 | ▼ 124,730 |
| March 2026 | #723,481 | ▼ 65,727 |
| February 2026 | #657,754 | — |
What this company does
W1HKJ Software crafts essential applications for the amateur radio world, with fldigi at the heart of it all as a versatile digital modem handling everything from PSK31 to FT8. Dave Freese, under the callsign W1HKJ, pours years of expertise into these tools that run smoothly on Linux, Windows, or Mac setups. Operators turn to flrig for precise rig control, syncing with transceivers like Yaesu or Icom models via Hamli…
w1hkj.com Traffic and Visitor Engagement
Paid search ads bring 100% of it — more than its organic results do.
Monthly visits
0
Latest estimate
Change
No monthly history yet
It starts building from the first scan
Organic visits
0
0% of all traffic
Paid visits
0
No paid search detected
Organic vs paid
0%
0%
We don't hold a month-by-month history for this domain yet.
The traffic dashboard builds one from the first scan onwards.
w1hkj.com AI Visibility
On our AI visibility scale w1hkj.com earns 67 of 100 points, a grade C. It takes full marks for LLMS.txt and Structured data. The biggest gap is SEO health, at 0 of 20 points (Not scanned yet), worth 20 points if closed. It also loses points on Crawlability (0/10) and Company profile (22/25).
Grade C
Scored from this domain's own data — llms.txt, profile completeness, technical health, crawlability and structured data.
Present
7/8 core fields
Not scanned yet
Not scanned yet
Detected
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w1hkj.com LLMS.txt
The llms.txt on w1hkj.com runs to 154 lines (6,053 characters) across 12 sections, last generated in May 2026. It introduces the site as "W1HKJ Software - Amateur Radio Digital Applications". It tells AI engines the business works in Amateur Radio, Open Source Software, Digital Modes, Ham Radio and DSP. It describes 5 products, with prices such as fldigi at Free, flrig at Free and flmsg at Free. Services it lists include Community Support. The audience it names is Radio amateurs, Ham operators, Emergency communicators, aged All ages (Global). Technologies it mentions include C++, FLTK, PortAudio and Hamlib. The keywords it claims start with "fldigi", "amateur radio software", "digital modes" and "ham radio".
Status
Published
AI engines can read it
Lines
154
In the file
Size
6.1K
Characters
Sections
12
Updated May 30, 2026
What the file says
# W1HKJ Software - Amateur Radio Digital Applications ## About W1HKJ Software develops free open source applications for amateur radio operators worldwide. The flagship product fldigi serves as a versatile digital modem supporting modes from PSK31 to FT8 while running on Linux, Windows and macOS. Additional tools like flrig for transceiver control, flmsg for NBEMS forms, flnet for net management and flwrap for file transfer integrate into a complete suite used by hams for contesting, DXing and emergency communications. All software emphasizes low resource usage, cross-platform compatibility and community-driven improvements with downloads exceeding one million. **Areas of Work:** Amateur Radio, Open Source Software, Digital Modes, Ham Radio, DSP ## Things to Remember - **Website:** https://w1hkj.com - **Address:** Levant, USA - **Contact:** Not Available - **Phone:** Not Available - **Hours:** Not Specified - **Timezone:** America/New_York - **Currency:** USD - **Company Type:** Private - **Employees:** 1 - **Revenue:** Not Disclosed - **Hiring Status:** Not currently hiring ## Products - **fldigi** (Free): Multi-mode QSO and data stream decoder for amateur radio digital modes - **flrig** (Free): Transceiver control application supporting Yaesu, Icom and other rigs via Hamlib - **flmsg** (Free): NBEMS standard message forms for emergency and formal traffic nets - **flnet**
Sections in the file
Areas of work
Keywords it claims
Technologies
Products it tells AI about
- fldigiFree
- flrigFree
- flmsgFree
- flnetFree
- flwrapFree
Services it tells AI about
- Community SupportFree
Competitors it names
Audience it targets
Radio amateurs, Ham operators, Emergency communicators · All ages · Global
Company type
Private
w1hkj.com Competitors and Alternatives
W1HKJ Software's company profile names hamradiodeluxe.com, mixw.net, multipsk.owcg.fr and n1mm.hamdocs.com as competitors. Its own llms.txt adds logger32.net. Outside its market, the domains ranked closest to it in our worldwide ranking are cnhinews.com, southernhospitalityblog.com, casafassona.it and yoursouthshore.ca.
w1hkj.com Company Profile
W1HKJ Software crafts essential applications for the amateur radio world, with fldigi at the heart of it all as a versatile digital modem handling everything from PSK31 to FT8. Dave Freese, under the callsign W1HKJ, pours years of expertise into these tools that run smoothly on Linux, Windows, or Mac setups. Operators turn to flrig for precise rig control, syncing with transceivers like Yaesu or Icom models via Hamli…
W1HKJ Software was founded in 2007, about 19 years ago, and is headquartered in Levant, USA. Its workforce is listed as between 1 and 10 employees. It was founded by Dave J. Freese. Its profile files it under Amateur Radio, with further tags for Open Source Software, Digital Modes and Ham Radio. Products on record for it: fldigi, flrig, flmsg and flnet. Total funding on record is Bootstrapped. Its tagline reads: "Open-source tools powering digital modes in amateur radio".
- Sector
- Amateur Radio
- Headquarters
- Levant, USA
- Founded
- 2007
- Employees
- 1-10
- Revenue
- Not Disclosed
- Funding
- Bootstrapped
- Founders
- Dave J. Freese
- Products
- fldigi, flrig, flmsg, flnet
w1hkj.com Traffic by Country
Which markets this brand actually serves, and where the web links to it from.
Top customer markets
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Where its backlinks come from
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Backlink Analytics collects one on its first run.
w1hkj.com Organic Keywords
The searches this domain already ranks for, and how much traffic they bring it.
Ranking keywords
0
Found in Google for this domain
Visits they bring
0
Estimated organic visits a month
Top ranking keywords
No ranked-keyword data cached for this domain yet.
Ranked Keywords pulls the full list on its first run.
What it ranks for
w1hkj.com Backlink Analytics
Who vouches for this domain. Strong, varied links are still the clearest signal of authority — to search engines and to AI engines that cite sources.
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links on file
w1hkj.com SEO Audit
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