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Query: spot
Links: 701 | Categories: 7
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Ham Radio News, Information, and Operating Activities of Ron, WD4AHZ -
An interesting article about amateur radio portable operations with excellent pictures. Setup includes a 60 watts of portable solar power being controlled by a charge controller, and a batteries powering an FT-897D. -
The Ultimate Control Software for the IC-7300, IC-7610, IC-7600, IC-7850, IC-7851 and Others is a control software suite that includes additional interesting features such as support for the built in Spectrum Scope, Audio monitors, Shortwave DB, CW Terminal, Clublog Spotting, Memory management, interface to Ham Radio Deluxe Logbook, DM780, n1mm+, log4om, DXLab and other. Runs on Windows OS, commercial licence. -
A blog site dedicated to SSTV Slow Scan Television images transmitted from the International Space Station -
Ham radio for people with disabilities. A weekly podcast from the Courage Handiham System -
The Maria Maluca HF multiband antenna as designed in 1957 by PY2BBP is a directive antenna for 15 meter and a passive element that works as director and reflector in different bands -
The VU2BBB repeater, located in Matheran, Maharashtra, commenced operations in the late 1980s, a significant undertaking by the Bombay Repeater Society. This repeater facilitates VHF and UHF communications for local amateur radio operators, providing extended range and improved signal reliability across challenging terrain. Its establishment marked a key development in regional amateur radio infrastructure, offering a crucial node for local nets and general QSO traffic. The repeater's operational parameters include specific input and output frequencies within the 2-meter band, typically utilizing a standard offset. CTCSS tones are often employed to mitigate interference and ensure selective access for authorized users, a common practice for repeaters in densely populated areas. Regular maintenance and upgrades ensure _VU2BBB_ remains a reliable asset for the amateur community, supporting emergency communications and daily amateur radio activities. The _Bombay Repeater Society_ continues to oversee its operation, reflecting a sustained commitment to local ham radio services. -
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The short history of the SSN Smoothed Sunspot Number at Luxorion -
Technical considerations about the Yaesu VX-1 -
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Operating QRP at the lowest possible power during contest article by PA1B -
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91ET104 or 91ET/DX, Egi Noerman van Beekom West java Indonesia. -
Amateur radio club serving the Concho Valley of West Texas for over 70 years providing public service and SKYWARN severe weather spotting service to the National Weather Service. -
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Just a whats happening in ham radio and things in my life here -
Qsl card collection at VU2NAN blog -
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An attempt to explain why I love this strange hobby -
This blog is maintained as a resource for the IOMARS and other persons interested in Amateur Radio. -
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Ham radio blog in English and Dutch. The radio adventures of PE4BAS. -
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A blog mainly about my favourite hobby-amateur radio, shortwave listening and radio in its many forms. -
Sponsor of the Spartan Sprints are two-hour gatherings held the first Monday of every month. -
A tutorial on how to setup a receiver capable to decode SSTV signals with a small RaspberryPi version 2 and a RTL-SDR dongle. The author explains how to install the needed software to interface the RTL-SDR and a step by step guide to install the QSSTV software used to decode the signals. -
Wondering whether human body could be used as an antenna. -
Large personal QSL collection by I3CRW -
Ham Radio News and more by N5FXX - Lubbock, Texas -
HamAlert let you receive Push,SMS,Email notifications for Cluster,RBN,SOTAwatch spots, with customizable filtering based on many criteria including DXCC, SOTA and WWFF references, CQ zones -
The _Nemos Photography_ blog presents a curated visual gallery focusing on _Morse keys_, offering a detailed photographic exploration of various telegraphy instruments. Each entry typically features high-resolution images of specific keys, highlighting their design, construction, and historical context. The content serves as a visual reference for collectors and enthusiasts interested in the aesthetics and mechanics of CW sending devices, often including close-ups of key components and unique features. This resource allows for comparative study of different key types, from vintage straight keys to modern paddles, without delving into technical specifications or operational performance. The emphasis is purely on the visual documentation of these artifacts, providing a unique perspective on the evolution and diversity of Morse key designs. It is a specialized collection for those who appreciate the craftsmanship and historical significance of telegraphy hardware. -
Weak Signal Audio 160m, choosing a headphone for weak signals reception -
Ramblings on amateur radio, flying, programming, martial arts, the Macintosh and who knows what. -
This DIY vertical multi-band Windom antenna offers a practical and effective solution for amateur radio enthusiasts seeking a versatile and compact antenna for HF communications. Its simplicity of construction, multi-band capability, and favorable performance make it a valuable addition to any radio shack. The article provides detailed instructions on constructing the antenna and balun, along with diagrams and component specifications. Field tests demonstrated successful contacts with stations across Europe and North America on 14, 18, and 28 MHz. The antenna exhibited comparable performance to a W3DZZ dipole and outperformed a Cobweb antenna on 18 MHz. Low noise levels were observed, effectively suppressing background noise. -
Digital modes and information Gran Canaria -
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A blog about ham radio. A blog dedicated to cool stuff like ham radio, birdwatching and bus timetables -
A satirical look at the world of ham radio DXing and contesting. Not for those without a sense of humor or irony -
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A review of the HF ham radio bands, considere by far the most popular bands in the amateur service. HF bands offer local QSOs and world-wide propagation are all possible at almost anytime with careful selection of the right frequency for the time of day, time of year, and current state of the sunspot cycle. -
Testing a linear regulated power supply using headlight bulbs for loading. -
Designs for QRSS TX and other Arduino based systems -
Useful tips on building cobweb antennas. Since I've done so many posts on the Cobweb antennas I thought it best to separate them on a different page so that potential Cobweb builders can see all the posts together. Hopefully this will make planning and building easier. -
Blog related to ham radio t-shirt and accessory designs -
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HSMM-MESH or Broadband-Hamnet - Canada a web site dedicated to HamNet development in Toronto Area