Go out and buy a radio and a yagi beam and test out your theory yourself before you try to modify basic em theory. Moonbounce weak signal and astrophotography by mike cook. About g4cch eme 1296mhz the resource is currently listed in in a single category. Earthmoonearth communication eme, also known as moon bounce, is a radio. Today on hamradiocomms i show my portable eme setup that i setup each time i want to make a contact. Giant metrewave radio telescope an tenna at pune, maharashtra, india. In a worldwide event, amateur radio operators will talk to each other by bouncing. Since the first successful amateur radio twoway eme earthmoonearth or moonbounce communications in the early 1960s, eme has been regarded as the pinnacle of. Diese methode findet heute noch im amateurfunkdienst anwendung, in allen. This was an experiment using the hf active auroral. A small, inexpensive moonbounce antenna system for 144 mhz.
I understand that the trend in amateur radio these days is towards self regulation. You have landed on the site of amateur radio station gm4jjj, the home of. Ham radio deluxe is the worlds most popular ham radio software. The purpose of this article is to provide radio amateurs with enough background information to understand the technical challenges involved in smallstation digital eme on the 144 and 432 mhz bands. Fortunately software used for amateur radio eme moonbounce indicates this and this helps choose the optimum times for any activity. Meteor scatter communications for amateur radio meteor scatter communications is a form of radio propagation used by ham radio operators using with modes including high speed morse and wsjt. Cn8li with his first steps on 144 mhz with jt65b ct1dmk, eme, technical data and radio. The wsjt screen has been designed for amateur radio moonbounce, eme and as and even provides moon direction information. Winlink is an allvolunteer project of the amateur radio safety foundation, inc. As the moon travels around the earth in a cycle of. And chances are you will also need a very good receiving preamp. Moonbounce eme propagation for ham radio electronics notes. Patrick barthelow, a ham radio operator for 40 years.
Is moonbounce an esoteric mode beyond the reach of most amateurs. Wsjtx weak signal communication, by k1jt offers specific digital protocols optimized for eme moonbounce, meteor scatter, and ionospheric scatter, at vhfuhf, as well as for lf, mf, and hf. A ham radio weekend for talking to the moon the new york times. Recent advances in amateur equipment have brought eme even closer to the mainstream of amateur radio. Join katie wy7yl on her tour of one of our ham radio outlet flagship superstores in beautiful plano, texas. Amateur radio, ham, moonbounce, earthmoonearth, eme, yagi. Eme is the art of bouncing radio signals off the moon. Scientists and the military experimented with moonbounce in the 1950s. Normal usage requires a standard ssb transceiver and a personal computer with soundcard, or the equivalent. Ah6le, 2m eme, sequencing and radio modifications for eme. Moonbounce is generally speaking not done every day of the year. Where bpq32 allowed both these soundcard modems radio protocols. Home wsjtx wsjt map65 wspr simjt program development references support.
She will show you the store and introduce some of the staff in. Just one is moonbounce, and ham radio dx decided to replicate a feat many hams have done over the years. Maybe you have a mental image of a ham radio operator or ham from a movie or newspaper article. And running as much power out as you can will help tremendously too. W7gj ham radio background and eme on audio qso today podcast w7gj station w7gj background gjtracker moon tracking software for windows, and space. New software for vhf meteorscatter communication qst december 2001, pp. Summary of ft8 ft8 is named after its developers, steven franke, k9an, and joe taylor, k1jt. Amateur radio ham operators utilize eme for twoway communications. As the moon travels around the earth in a cycle of about 28 days different parameters tells us what days are good and what days are bad.
Five by five canada ham radio exam preparation hamexam. Ham radio uses shortwave frequencies these bounce off the ionosphere to come back to earth, which is the whole point of shortwave and ham radio. This website will provide you with moon calendars that provide detailed information about moon data and published activity events. In these pages you can read a very brief introduction to moonbounce, view some photos of my eme mast and aerials and see a list of my 2m eme contacts together with a few of the qsl cards which i have. Moonbounce, radio signals bounced off of the moon youtube. If you use winlink email, or correspond regularly with someone who does. Earthmoonearth communication eme, also known as moon bounce, is a radio communications technique that relies on the propagation of radio waves from an earthbased transmitter directed via reflection from the surface of the moon back to an earthbased receiver. Weak signal communication software wsjtx, wsjt, map65, and wspr are opensource programs designed for weaksignal digital communication by amateur radio. In the early days of amateur packet radio, it was necessary to use an expensive terminal node controller tnc with specialized hardware. And a computer with an interface and the wsjt software, which you can download for free.
New digital modes gain traction for moonbounce, but occasionally show up on hf. How to use meteor scatter communications in ham radio. I made my 1st moon bounce eme contact today june 17, 2018 using a single m2 12. Moonbounce information, audio files, toplist and activity schedules. Visit the sdr webpage for the latest downloadable release and documentation. Wsjt is an ideal and the most widely used format for ham radio eme moonbounce contacts. This is my first ever eme moonbounce amateur radio contact. Moonbounce on a budget by bob devarney w1icw winter 20.
Currently, the program is written in python and c, with. The purpose of this article is to provide radio amateurs. A small inexpensive moonbounce antenna system for 144 mhz effective performance with a small, lightwei ght antenna that can be built with hardwarestore materials and yet performs when the. Patrick barthelow, a ham radio operator for 40 yea rs c.
Af9y moonbounce eme and astrophotography, fftdsp and weak signal software, image processing, draganfly helicopter, panasonic dmcfx07. For software, were using joe taylors wsjt application and the ham radio deluxe satellite tracking software to keep our antenna pointed at the moon. I made my 1st moon bounce eme contact today june 17, 2018 using a single m2. Michael cousins, an engineer at sri international, a nonprofit that. You can now get better results at lower cost by connecting your radio to the soundcard interface of a computer and using software. Not that one needs an excuse to hold a moonbounce, but this one is being held.
Ham radio covers a lot of ground, but traditional ham radio is operating a station on the hf bands 3. Moonsked software macintosh, windows and linux moonbounce moon tracking and scheduling software lcd clock. Introduction to ham radio digital mode ft8 dave levasseur, n0dl. The ardop amateur radio digital open protocol and vara protocols are both now fully integrated into software by the winlink team. New digital modes gain traction for moonbounce, but.
Moon bounce or earth moon earth eme is an amateur radio. This terrific amateur radio software is very much under development at the time of writing. Normally the js65 variant within the wsjt software suite is used and this provides some considerable advantages. Ham radio deluxe software radio amateurs best asset. Only using a element 432mhz yagi antenna and 80w of rf power. The development of communication satellites in the 1960s made this. Erdemonderde im amateurfunkwiki des deutschen amateurradioclubs. Dauntless software s five by five has been written to help hams and processionals to become familiar with the actual questions that will likely appear on their tests and ham exams in the most efficient. The main category is moonbounce that is about eme ham radio moon bounce radio links. Debian hamradio pure blend the debian hamradio pure blend is a project of the debian hamradio maintainers team who collaborate on maintenance of amateurradio related packages for debian.
Af9y, moonbounce and very fine astronomy, combined with spectrum analysis and image processing. However, recent events in the digital subbands lead me to believe that this is just a recipe for chaos. The 8 denotes modes 8frequency shift keying format. Ve2zaz first eme moonbounce radio contact with hb9q. In december, joe taylor, k1jt, released the latest version 1. Moon tracking software gives exact location, visibility of moon at both the stations. As a result of her proposal, in december 2009 camras radio operator jan van muijlwijk and radio operator daniel gautchi made the first image transmission via the moon using the open source software. Ham radio operators starting using moon bounce sometimes called earth moon earth or eme back in 1953. Eme ham radio moon bounce radio links category is a curation of 42 web resources on, moonbounce operations, weak signal vhf by tim marek k7xc, eme in alaska.
Although joe taylor was the original developer and still acts as maintainer, several programmers are currently involved in writing the software. Radio amateurs best asset, rig and rotor control, logging, digital modes, and satellite. Ea6vq get ready for 2m moonbounce communications get ready for 2m moonbounce communications. I keep seeing these huge rotatable directional antennas while reading about this niche of the hobby. It provides different modes adapted to different modes of propagation and bands. Weak signal vhfdx, meteor scatter, ememoonbounce arrl. The entire ham radio community experiences otherwise im afraid.
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