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Home-Made Magnetic Loop Antenna for 30 Meters by WA8LMF

Key west amateur radio club w4llo

Yaesu VX-8R eham users reviews

Information about MINGO COUNTY, W.V. ARES/RACES & SKYWARN

FLMSG is a simple forms management editor for the amateur radio supported standard message formats. Form data can be transferred between computers either using standard internet email or via radio frequency broadcasts typically made by an amateur radio operator on your behalf.

A presentation of the NBEMS and the importance of data transmission in Digital EmComm.

Connecting the FT-1000MP to the Ten-Tec Centurion or Alpha 99

Modify a KPC-9612 to give a total of four analog input for remote monitoring and telemetry.

Pictures and detailed instructions on installation of the LightningBolt Quad antenna

Comitato Regionale Veneto della Federazione Italiana CB - Servizio Emergenza Radio.

Home made remote tuner for magnetic loop antenna by M5FRA G8FRA

Located in North Dakota

Funny photos of IQ7R contest team and dx-spedition

New Port Richey, Florida

Accessing this interface provides entry to one of the largest databases for amateur radio voice repeaters, encompassing over 8000 entries from more than 60 countries. The resource supports both desktop and mobile access, with a default display based on browser type, or forced via a "force" parameter (e.g., relais.dl3el.de?force=mobile). Users input a QTH-locator to find local repeater information. The database integrates FM-Funknetz servers and hotspots, potentially creating duplicate entries but ensuring new FM-Funknetz repeaters are immediately displayed. DMR repeater information, including status and talkgroup configurations, is sourced directly from DMR+ / ircDDB and Brandmeister systems, with real-time updates for active and default talkgroups. C4FM/Wires-X installations, particularly MMDVM-based gateways not listed in Yaesu's database, are identified through Brandmeister dashboard descriptions, marked with "W-x" or "W-x#MMDVM" for manual entries. D-Star repeater data from ircddb or QuadNet2 is also incorporated, with entries marked (i), (o), or (d) for manual additions. An APRS interface allows searching by callsign, using Sassan, DL3NCK's database, and offers a mobile-friendly, auto-refreshing display that follows an APRS station. Output data can be generated in GPX format for offline smartphone maps or CSV for spreadsheet applications. The database also attempts to determine valid repeater offsets based on IARU region and frequency, indicated by a "." after the frequency.

Links to programs for digital modes, in spanish

Archive of the Elecraft K2 reflector by VE3MCF

The Rocky Mount Amateur Telecommunications Assn. is an amateur radio society based in Rocky Mount, NC.

Eham users Yaesu VX 5R review

Originally eveloped by I1FLC, uses seven plug in coils covering 3.0 to 30Mhz in a Colpitts oscillator circuit.

An APRS-compatible Ham Radio Weather Station

This resource, a blog from the Penang Amateur Radio Club (PARC), offers insights into various aspects of amateur radio in Malaysia. One post details monitoring Automatic Terminal Information Service (ATIS) on the 2m band, providing specific frequencies like 122.750 MHz AM for Butterworth and 126.400 MHz AM for Penang, along with sample aviation weather and operational data. Another entry critiques the lengthy and costly process of obtaining an amateur radio license in Malaysia, contrasting it with the more streamlined FCC licensing system in the United States, citing a 1-year wait and RM 414 (USD 125) for 10 years in Malaysia versus 3 weeks and USD 14 for 10 years in the US. The blog also covers internal club matters, such as the 2007 Annual General Meeting (AGM) attendance and council elections, highlighting member dissatisfaction with outdated newsletters and a call for "reformasi." Additionally, it presents local phonetic alphabets in Bahasa Malaysia and Chinese, and discusses monitoring AM broadcast bands for international stations like Voice of America on 1575 kHz and Zhong Yang Ren Min Guang Bo Dian Tai on 1134 kHz, offering alternatives to local 2m repeater chatter. The author, "firstclass," shares personal observations and criticisms regarding the Malaysian ham radio landscape.

World of amateur radio by VK4NM

Broadband over power lines (BPL) is a technique for transmission of high speed data (broadband Internet) over powerlines. Access BPL technology injects radio frequency energy into powerlines which were not designed for transmission of radio frequency energy, and leak substantial energy that causes interference to radiocommunications service

Performance of an unloaded ground mounted vertical as a multi-band HF antenna.

Covers 10m 12m 15m 17m 20m 30m 40m and 100 KHz on 80m, & WARC Eham Reviews

W8NWS is the Cincinnati, Ohio chapter of Skywarn.

The TS-570 review by Arend , PA1ARE

Refurbishing my 10 years old Cushcraft A3S triband HF Antenna

A friendly and open group that likes to organize DX-expeditions like F/ON6JUN/P, OZ/OR0MO

eham review of the ICOM IC-756PRO

Replacing the Yaesu FT100D SRF7043 VHF/UHF RF MOSFET Power Amplifier

The web site of RW3AG, Vlad Plugin in Moscow, Russia. Ruussia links and other information.

80 metre ceramix VXO with schematic and assembly instructions

Audio Repeater is a windows application tha allows you to transfer, transmit, sounds from an input audio endpoint or device to an output one Playback. Audio transfer can be performed in any PCM audio format supported by Windows. KS version communicates directly with audio driver, bypassing all additional Windows audio processing

New Zealand ham radio map

Web Site Amateur Radio station from Ukraine Kharkov

home of the Top 100 Ham Sites List

DragonOS is a linux distribution dedicate to Software Defined Radio. It leverages the portability, security, and power of Lubuntu Linux as a delivery package and operating environment for a pre-installed suite of the most powerful and accessible open source SDR software. DragonOS has verified support for a range of inexpensive and powerful SDR hardware, including RTL-SDR, HackRF One, LimeSDR, BladeRF, and many others.

ARRL page dedicated to RF Safety

Collection of morse keys

Ham radio links and more

The Reverse Beacon Network (RBN) graph presents a dynamic visualization of amateur radio spots, specifically tracking CW, BPSK, and RTTY signals over the last 15 minutes. Users can filter these real-time spots by DX continent, spotter continent, and individual frequency bands, including **160m through 70cm**. The interface also offers a bandwidth reduction option, which is particularly useful for operators with limited internet connectivity. This resource provides a unique perspective on propagation conditions and station performance by aggregating data from various _Reverse Beacon Network_ nodes. It automatically refreshes every 10 seconds, ensuring that the displayed information is current and relevant for active DXers and contesters. The graph's Y-axis represents time, with each spot indicating activity within a one-minute interval. Beyond the primary RBN graph, the platform also features dedicated maps for both DXCluster and RBN data, including azimuthal projections. An additional FT8 graph is available, though noted as being under construction, indicating ongoing development to expand its utility for digital mode enthusiasts. The system was developed by HA8TKS, with the initial concept attributed to CT1BOH.

Initial set up of Broadband Hamnet on a Raspberry Pi.

Unfilter LF output from the TH215/415 kenwood portable radio

KD5FX, 20 through 6 meters, QRP to full legal power, lightweight, easy to carry

The ZL1BPU Rotator Controller has been designed as an add-on unit for the popular Kenpro KR-400 and Yaesu G-400 rotators. The controller consists of a small circuit board which fits inside the rotator control box

AD7DB discussion about HF wire antennas

Operates fast-scan FM-television in the 1.3, 2.3 and 10.3 GHz bands