11 meter radio propagation software

Nov 15, 2017 enjoy and i hope to share with you my curiosity of radio propagation. However, you may experience vastly different conditions on any particular day compared to what a longterm, 11 year average would suggest. Voacap voice of america coverage analysis program is free professional highfrequency hf propagation prediction software from ntiaits, originally developed for voice of america voa. Ace stands for animated communications effectiveness, a coverage display technique originally developed for u.

No space weather storms were observed for the past 24 hours. While listening or planning to work a dx station, the radio amateur would like to know what are the current propagation conditions, know if the propagation is open toward a specific location at a specific time, or at what time the band will be open for a specific pointtopoint circuit. Hf propagation numbers and hf beacon tracking programs. It displays not only the current status of the hf and vhf bands, but also additional solar and terrestial progatation related data. Current sunspot cycle activity, space weather, solar storm. We also share information about the use of our site never private information with our social media, advertising and analytics partners who may combine it with other information that you have provided to them or that they. Winnipeg nite owls cb dx group canadabased yahoo group offers message boards, chat, club clubs and organizations information and links foxtrot bravo dx group freebanding dx group offers a eqsl bureau and clubs and organizations citizen band manager, dx news, projects, software, links and. K index low is good 0 or 1 is best 2 is ok 3 or more is bad 5 is very very bad. By correlating hops with the position at each end of the hop, distances can be inferred.

Also i use another radio for 2 meters with 440 ham bands as this allows talking with the locals on repeaters or simplex. Radio propagation radio propagation is the study of how radio waves travel from a transmitter site to a receiver site through the atmosphere. Where year 2016 falls in the sun spot cycle for hf. This data is extremely useful for ham radio operators and shortwave listeners to help determine whether or not long distance radio communications are possible. I suggest having a radio like a stryker 955 that did both 10 and 11 meters, can use the same antenna. Classic receivers can only be tuned to one listening frequency at any given. With the number of sunspots dwindling, weve seen little f layer propagation on frequencies above 25mhz in the last 2 months, and that downward trend is likely to continue.

Irregular terrain model itm longleyrice 20 mhz 20 ghz if77 wave propagation model gierhartjohnson airground. I have not seen 11 meterspecific propagation charting or software prediction. Obviously this does not happen all the time, because long distance communication depends on radio waves traveling beyond the horizon. The main category is propagation tools that is about propagation prediction software for ham radio. This software is even used by the military and other clients around the world. Hf propagation prediction is a statistical science. Our software features land mobile vhf, uhf 800mhz, microwave, etc. Here the ham radio antenna propagation is slightly different.

Apr 10, 20 i have not seen 11 meter specific propagation charting or software prediction. Solar activity can aid or hamper hf propagation beyond lineofsight range. Contains station and qsl information, downloads, photos, and related links. Websdr web software defined radio systems was developed by pa3fwm. Acehf is propagation forecasting and modeling for amateur radio as well as for shortwave radio listening and general hf operation. Jan 20, 2020 radio propagation radio propagation is the study of how radio waves travel from a transmitter site to a receiver site through the atmosphere. We pride ourselves on welcoming radio hobby enthusiasts of all types, while offering unbiased, informative, and friendly discussion among the members. As we approach minimum in 2018ish, frequencies above 15mhz will only open sporadically and usually thanks to sporadic e or transequitorial low angle f layer propagation. Radio propagation prediction software an overview, article, tutorial about the basics of radio propagation prediction software for use on the hf bands for predicting broadcast coverage, as well as the possibility of establishing two way radio communications, maritime mobile radio communications, and for many more applications. Ngoes vhf propagation map displays current vhf band openings during the past hour.

The worldwidedx radio forum was originally established in 2001. The sun and its effects on earthly propagation can be described in statistical termsthats what the 11 year solar cycle does. The software server lets many users simultaneously tune the sdr to different frequencies to listen to. This page contains a dynamic collection of propagation information gathered from many different sources. Radio propagation along the grey line is very efficient. The map is created using latlong info, and hops from node to node that data travels. Pro trucker 4 stainless steel 750 watt baseloaded half breed 14 wave cb antenna covers 10 and 11 meters black. Propagation forecast gloucester county amateur radio club. It displays not only the current status of the hf and vhf bands, but also additional.

For the discussion on the 11 meter band propagation 25. How radio waves propagate in other than straightline paths is a complicated subject, but one. High frequency hf propagation models 230 mhz irregular terrain model itm longleyrice 20 mhz 20 ghz if77 wave propagation model gierhartjohnson airground millimeterwave propagation. Radio waves, like light waves and all other forms of electromagnetic radiation, normally travel in straight lines. Information on 11meter radio propagation station, and citizens band radio.

Ready to hang 11 meter half wave dipole antenna with balun 11hwdb. Amateur radio propagation conditions in the united kingdom uk. It is real time, but you must manually refresh this page. Clubs and organizations 11 meter citizen band radio. Arrl, the national association for amateur radio 225 main street newington, ct, 061111400 usa tel. I like to listen for the digital activity around 27.

Review of propagation prediction programs voacapbased. This map uses 10 meter spots to compile its 28 mhz propagation map. Cluster dk be notified of 11 meter dx activity in your 11 meter sector 11 meter via email and the internet. Uses openstreetmap tiles or public sattelite imagery as background. Redman cb pt99 proton cb 1012 meter base cb radio antenna. Institute for telecommunication sciences resources radio propagation software radio propagation software. Many information sources can help us keep up with solar conditions. One major reason for this is that the d layer, which absorbs hf signals, disappears rapidly on the sunset side of the grey line, and it has not yet built upon the sunrise side. Hf propagation is a handy little ad supported windows phone 7 application to inform ham radio operators and short wave listners about the current band conditions. Enjoy and i hope to share with you my curiosity of radio propagation. Acehf pro advanced ham and swl propagation software.

Citizens band is distinct from other personal radio. Demystifying hf radio propagation and modeling check out the acehf propagation software the latest is version 2. Information on 11 meter radio propagation station, and citizens band radio. Download malwarefree radio related design software. Click on the map and the spots with the callsigns will be listed and is clickable. During the most active years of a solar cycle, often a simple dipole will work wonders. The rest of information is useless and it doesnt interest anybody. Qradiopredict is an experimental software for vhfuhf propagation prediction and radio coverage analysis. Usable hf frequencies page refreshed every 20 minutes use the indicated color red, yellow, green, blue, white, etc.

Web page includes information about alfatango group, dx group, plus details on radio related topics. There is an ever increasing number of servers being activated. This beacon system is a well thought out and nicely implemented. Radio mobile rf propagation simulation software radio.

Basic radio related information for 11 meter dxers, such as prefix lists, phonetic alphabet, frequencychannel charts, info on antennas and operating practices. This month, arrl laboratory technician mike gruber, wa1svf, assisted by senior technical editor dean straw, n6bv, answers some questions about how ol sol influences the propagation of radio signals. When i first posted this page, a few years back, there were only a few active websdr servers. The maximum usable frequency muf is the highest frequency that, with a probability of 50% of the time, can be used for radio communication between two points at a specified distance but not necessary in all directions via refraction by the ionosphere.

Its easy to put one up because of its relatively small size. Radio signals are affected by terrain elevation between the sites, and obstructions, including trees, buildings, etc. Search from the bottom of any page if you dont see what you are looking for. This website uses cookies to personalise content and ads, to provide social media features and to analyse our traffic. Sunspot numbers on april 25 to 29 were 11, 14, 12, 0 and 24, giving a weekly average of 8. Any white bubble indicates no suitable frequency or high absorption. Northland radio zmh292 bay of islands, new zealand. About rf prop the resource is currently listed in in a single category. Delta echo november dx group international 11 meter dx group presents membership information, registration citizen band procedures, clubs and organizations and links. Check your signal and listen to others on remote receivers. Amateur radio propagation conditions in the united kingdom. A comprehensive propagation resource compiled by tomas hood, editor of the propagation columns of cq, cq vhf, popular communications, and monitoring times magazines. Ham radio operators and shortwave listeners can optimize long distance communications to various areas of the.

Currently it works on linux and windows 32 bit vista tested. Radio propagation prediction software electronics notes. This link is listed in our web site directory since saturday jul 3 1999, and till today rf prop has been followed for a total of 40092 times. Typically each series or individual radio requires its own software package. Citizens band radio also known as cb radio, used in many countries, is a land mobile radio system, a system allowing shortdistance persontoperson bidirectional voice communication between individuals, using two way radios operating on 40 channels near 27 mhz 11 m in the high frequency a. Send formated dx spots indicating clearly both locators and the type or propagation. The various other vendors often permit their dealers to sell the software online i. High frequency and vhf radio propagation data, solar and geomagnetic realtime and historic data, sunspot activity reports, as well as forecasts. The international amateur radio union iaru has adapted the north california dx foundation beacons system as the defacto structured network of hf radio cw beacons for propagation assessment for use by radio amateurs for monitoring radio propagation prospects on the hf radio dx bands. The formula to calculate the length of a dipole on 10 meters is.