location

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• 40 meters band beverage antenna - The author describes his experience building and using a Beverage antenna for the 40-meter band. Despite encountering some challenges, the antenna offered some improvements in receiving stations compared to a 3-element inverted Vee antenna. The Beverage antenna showed a significant daytime signal-to-noise ratio improvement and received signals better than the Vee antenna. However, the front-to-back ratio was not ideal, and the transmit power seemed to affect the Beverage antenna. Overall, the author concludes that the Beverage antenna might be more suitable for locations with higher noise levels. The total cost of the antenna was around 30 Euros.
  [ Hits: 34 | Votes: 0 | Rating: 0 ]

• K0UO Rhombix Antenna Farm The Ground - Modeling an antenna over real terrain gives you a visual picture of how terrain impacts performance. You can use a model to determine optimum height for antennas on an existing tower, Compare different tower locations for performance, Compare different sites for performance
  [ Hits: 144 | Votes: 1 | Rating: 10 ]

• Maidenhead square Calculator - You can use this tool to calculate the maidenhead square by entering the longitude and latitude.
  [ Hits: 146 | Votes: 1 | Rating: 8 ]

• Taking a look at the 900 MHz band - Use of the band as Amateur Radio is secondary in this band to federal radiolocation systems, industrial, scientific and medical devices, federal fixed and mobile systems and the M-LMS. Bandplans for hams. Allocation in 902 - 928 MHz
  [ Hits: 50 | Votes: 0 | Rating: 0 ]

• Amateur Service Spectrum Requirements at 7 MHz - An information paper by the International Amateur Radio Union. The amateur service seeks the return to an exclusive, worldwide allocation of no less than 300 kHz in the vicinity of 7 MHz.
  [ Hits: 94 | Votes: 5 | Rating: 10 ]

• Virgo - Meteorscatter app - Virgo is originally designed to serve for meteorscatter propagation purposes in amateur radio. Maintained by Bastian, DB1BM, and Alexander, DL8AAU. Virgo is a projection of the sky visible at your location. Different to other astronomical sky views, there are no stars displayed, but the radiants of current meteor showers.
  [ Hits: 151 | Votes: 0 | Rating: 0 ]

• 40 MHz 8m Band Amateur Radio Exploration - The 8m ISM band, a unique frequency range between 10m and 6m, holds potential for amateur radio enthusiasts, yet it remains largely unallocated. This spectrum offers fertile ground for research and self-training. The author's experience with low-power transmissions and WSPR testing highlights the band's capabilities and the need for a narrow, speech-free amateur allocation to encourage experimentation. Discover the world of 8m ISM radio exploration and its future possibilities.
  [ Hits: 74 | Votes: 1 | Rating: 8 ]

• Real-time ionogram - This page displays the current ionogram and tries to determine the nearest digisonde report to your location. Data coming from this sondes are used to determine the MUF for oblique propagation on HF spectrum
  [ Hits: 264 | Votes: 0 | Rating: 0 ]

• AirScout - Software for Aircraft Scatter Prediction. Extend your capabilities on VHF-/UHF-SHF bands even when you live in an unprivileged location and Calculate a propagation path between two stations and follow the aircrafts in real time
  [ Hits: 298 | Votes: 2 | Rating: 5.5 ]

• Interactive Smith chart - The interactive Smith chart enables users to navigate their way around a Smith chart, using simple discrete element impedance matching. This page allows users to try using the Smith chart, for education and interest purposes, without installing any software. Try changing the value in the load box to see the location of the impedance on the chart.
  [ Hits: 286 | Votes: 2 | Rating: 9.5 ]

• Hamlog.online - Hamlog is online cloud platform for active amateur radio operators. It supports various on the air activities of various clubs, associations and national amateur radio organizations, allows them to create award programs and deliver awards to those who earned them. Hamlog also has a built-in real-time logger, which allows operators to enter QSO in the system as they make them. It supports multiple callsigns, multiple locations, multi-station activities, etc. Soon it will allow to connect transceivers and other ham radio devices right to the browser, allowing easy online logging virtually anywhere.
  [ Hits: 52 | Votes: 0 | Rating: 0 ]

• QSO Map Pyton Script - This project is a python program used to plot the location of QSOs (radio contacts) on Google Earth or other mapping applications. It reads an ADI file of the QSOs and creates a KML file
  [ Hits: 107 | Votes: 0 | Rating: 0 ]

• AllScan - AllScan is a free and open-source web app for AllStar nodes that provides Favorites Management features, AllStarLink Stats integration, and connection monitoring and control functions. Shows your favorites in a Dashboard summary table with Keyed status, Connected Node count and other statistics. Continually scans the status of each favorite using ASL's Stats API data showing which favorites are active and have recently been active. Allows favorites to be connected with a single click (optionally automatically disconnecting any currently connected nodes first). Allows the Favorites Table to be sorted by Node#, Name, Description, Location, etc. Favorites can be added/deleted simply by entering the node# and clicking a button. These features finally give AllStar nodes similar memory management and scan capabilities that analog radios have had for decades. AllScan is mobile-friendly and optimized for ease of use on both small and large screens. AllScan follows the latest web development standards, with PHP, JavaScript, HTML, and CSS cleanly partitioned, runs on both ASL and HamVOIP, and is very easy to install, configure, and update.
  [ Hits: 20 | Votes: 1 | Rating: 8 ]

• ICOM ST-4002A GPS Programmer - Automatically input GPS location data from an Android device to the transceiver, Compatible with IC-7100, IC-9100, IC-9700, ID-4100A/E, and ID-5100A/E.
  [ Hits: 79 | Votes: 1 | Rating: 9 ]

• ToyNtp - ToyNTP is a simple freeware time server for Windows that implements the SNTP protocol and uses a GPS receiver, Garmin GPS 18x LVC, as time reference. ToyNTP was designed to be used with Faros in the locations where access to the SNTP servers on the Internet is not available, but it may be used for other purposes as well, in particular, it may be configured to keep the PC clock synchronized to a GPS receiver.
  [ Hits: 134 | Votes: 1 | Rating: 1 ]

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