Eme antenna tracking software

Gjtracker moon tracking software for windows, and space spreadsheet for locating vhf eme arrays. I made my 1st moon bounce eme contact today june 17, 2018 using a. Gjtracker gjtracker is a antenna tracking program for windows written to be compatible. Eme fun software michael margaras sv1cal amateur radio.

Af9y mikes webpage mikes got a great webpage includes a cool helix antenna design for the lunar prospector, a dsp software program used for eme and a program used to make skeds including full station info for eme use. Moonbounce weak signal and astrophotography by mike cook. Since the moon subtends an arc onehalf degree as seen from earth, the antenna is viewing a large portion of the noisy sky around the moon. F2tu, dish design, construction and a lot more franck tonna, f5se with eme software. Software, modes, websites, calculators, user groups.

To participate in eme, you will need an antenna with at least 12 dbd gain, at least 150 watts. Moonbounce on a budget by bob devarney w1icw winter 20. You can also use some default maps, or you can add your maps. The completed interface, displaying the moon position and antenna position. Wsjt software from k1jt and time sync software for pc sequencer to switch everything in the proper order preamp at the antenna will be needed a few relays tr, polarity, preamp protection azimuth rotor, elevation rotor is also very helpful attention to detail where is the moon. Displays antenna squint angle, propagation delay, echo, and satellite eclipse depth. A new moon would mean that the moons disk eme completely dark software tracking observers location. Ve7bqh comparison table of popular 50 mhz, 144mhz and 432mhz single, 2 and 4 bay antenna systems ve7bqh 9 element 50 mhz high gain yagi design with 50 ohm feed, capable of eme on the horizon. The tracking of radiosources the complete calculations for an eme budget or noise measurement. F1ehn eme moon tracking software the best satscape nova satellite tracking software in order to begin receiving signals from the satellites, you will need a satellite tracking program to know where and when they will be in view for monitoring. Today on hamradiocomms i show my portable eme setup that i setup each time i want to make a contact. Most of the bigger eme stations use an array of long boom yagis so i am pretty lucky to get this done with a single antenna and no elevation rotator. There are several software packages available that i will describe.

Rotator controller using arduino and pstrotator g4hsk. The chosen location for the dish is not ideal for westpointing eme, but this is a temporary location for a few years, until the swimming pool disappears. Eme and vhf dxing ham radio stop amateur radio directory. This system worked and had the added benefit of keeping me fit running between the shack and. Eme fun antenna controller gets azimuth and elevation commands from my eme fun software see related article and rotates the antenna dish by switching azel rotoractuator supply polarity and counting pulses while in motion. Simply put, reflections from the policy information front of an eme software peaks and nulls at certain elevation angles when the antenna is pointed at the horizon. The controller could be used with all azel antenna setups that use. Reason was the heavy polarization changing of the eme signals that i recognized over the past years. The idea is to design an antenna that will not contribute noise from other directions that will add to degradation of the signal received off the moon. There are phases you do not hear anything with horizontal polarization over hours and days you hear.

Trak sm this program locates the sun and moon in real time using a full set of ephemeris factors. After operating for many years my home made 4 x 12el. One critical decision before i start is to select the type of moon tracking to implement. Doug vk3um was a friend from our days at unley high school during the mid 1950s, a common interest was that of radio and electronics leading to our introduction to ham radio through the 288mhz band now no longer part of australian allocations. Motion speed can be adjusted independently for azimuth and elevation. By the way, you can also view the skeds from the vhfsched. Pstrotator software for antenna rotators, by yo3dmu. Russ, k2kxb with his 2 m eme station with a polar mount antenna. Moonsked complete eme tracking, scheduling program for macintosh and windows. Gjtracker antenna tracking program for windows the tracker program was rewritten in october 2008 using visual basic 6. Does anybody know of budget minded solutions for the hardware or other good uses for this antenna. When i first started my 2m eme experiments elevation and azimuth control of the antenna was done manually, using a plumbline and protractor for elevation and circular protractor for azimuth. Utilizzando il software wsjt in modalita jt65b e possibile fare dei qso via luna anche con una singola antenna yagi e 100 w di potenza. Fax and slowscan television software jvfax faxsstv for ibm pc 721k receives and transmits facsimile including wefax and slowscan tv.

Gm4jjj moonsked moon tracking and prediction software. The mast, motorsactuators and tracking controllers have been fully rebuilt and adapted for eme by f1bho and f5djl for digital parts. A pic microcontroller is managing interface between eme software and tracking devices. Alot can be learned here as well as it is a great opportunity to meet and make schedules with others. The pstrotator program can track the moon and the sun using internal algorithms. This is a figure of merit calculation performed by most computer moon tracking programs that calculates the degradation dgrd in the eme signaltonoise, in db, at a. The easiest way to know where a satellite is standing relative to your position on earth, is to make use of tracking software. Using this satellite tracker software, you can track satellites in real time, or in manual time mode. The path loss from earth to moon back to earth at 1296mhz is a whopping 271db. Today, 305 emers have built their own interface and are using it in 30 countries. Previsat is a cross platform, open source satellite tracking software available for windows, linux, and macos x. This software helps to track a number of satellites mentioned in the list.

Includes information on constructing a suitable interface. In addition to including location information for many vhf stations, it includes all known 6m eme stations. Can use deep search table call3 file list of stations known to do eme for error. Ea6vq, with eme info and very fine sound recordings. Gm4jjj, david with eme on 144 mhz, astronomy and his fine moon tracking software. Jtsync is a simple utility that provides the ability to synchronize your computer clock over a network with worldwide ntp. A single yagi antenna pointing to the horizon normally allows to work eme till the moon is up to 15 or 18 degrees above the horizon. My antenna array for 144 mhz is 4x6h which is four stacked 6element yagiantennas pa14462 with horizontal polarization. Useful eme software category is a curation of 11 web resources on, moonsked, eme system, linrad. A few years have passed since ive looked at this project. In order to make an eme qso, the most important requirement is obviously that both stations can see the moon simultaneously what is called to have a common window.

Moonbounce or earthmoonearth eme is a way of communicating by reflecting radio signals from the moon between two suitably equipped stations. Dk7zb antennas i decided to change them for a 4 x 9el. Moonbounce eme scheduling sked and tracking software. For information about pcb order, read the download page, please. The purpose of this project is to present a pic based project for accurate manual or automatic tracking of a dishbeam. The unit supports gps setting of datetimelatlong for field work. I made my 1st moon bounce eme contact today june 17, 2018 using a single m2 12 element yagi. You can also see that auto tracking is on, the current time in gmt is displayed and the ptt line is not currently active. Complete user instructions and associated gjtracker files are included in this zip file. Jun 29, 2018 today on hamradiocomms i show my portable eme setup that i setup each time i want to make a contact. Most smaller 2m antenna arrays used for eme have a half power beamwidth of approximately. The 2 axes antenna diagram measurement with an automatic scanning.

Al7ob 432 eme big gun station 30 foot dish from alaska. There is also a full report about this software written by bernd df2zc in his monthly newsletter. Dk5ew homepage waz 14 itu 28 locator jn48mb dok p29. I elected to use polar tracking for my eme operation. The 2 axes angular corrections plan the eme activity to prepare your skeds or traffic period. The 432 and above eme net meets saturday and sunday on 14.

There is also a satellite tracking program that includes moon tracking, eme. Fred fish memorial award grid checklist, automatically completed application form and interactive colored grid map. With the satellite tracking software chosen, we made selections for the other major components in the 2. If this is all the antenna was seeing, then 210 degrees would be the antenna temperature. Di fatto il programma di joe taylor ha aperto una nuova era nelle comunicazioni radioamatoriali via luna. First ever single yagi to single yagi eme first ever 6 meter eme small stations can now work eme 10 elements and 100 watts all you need now ive actually done it with 7 elements and 100 watts revolutionized moonbounce for good and brought it to the masses. These distances are shorter than the factory recommended which are 2. A control module tracking capable of handling an eme station in real time automatic tracking of sources, traffic periods, doppler, polarization and rxtx management, signal level and antenna diagram measurements, common window, sky temperature. Rotor control software category is a curation of 10 web resources on, pstrotator, rotorcraft, satellite tracking with winrotor. Another advantage of the tracking software is that it can perform the doppler correction using the cat interface of your transceiver. Moonsked by gm4jjj the complete moonbounce scheduling and tracking solution for macintosh and windows and linux.

Tracking amateur radio peosat satellite experiments. Eme fun antenna controller michael margaras sv1cal. Moon tracking software eme important information about the. Contact made via signals bounced off the moon eme or earth moon earth first done by us army in project diana in 1946 first successful amateur contact made in 1960. W7gj software downloads, including gjtracker moontracking. Roof tower to mount all of the antenna system components for portable operation. If you have a typical tropoms antenna you are likely not to be capable of elevating it, but you still can make eme contacts when the moon is near the horizon. The peaks can theoretically be 6 db spy call apk the gain of the antenna alone over moon moon, flat ground. Most smaller 2m antenna arrays used for eme have a half power beamwidth of approximately 30 degrees for a single yagi to about 15 degrees for a four yagi array. Moonsked for moonbounce scheduling and tracking written by david anderson gm4jjj. Space yagi antenna array spaceclearance planning program for dos environments or in a dos window under windows space is a simple program that can be used to determine the approximate spatial clearance parameters of an array comprising any number of yagis, stacked vertically andor horizontally. F1duzs eme page f1ehn with his tracking program and weaksignal.

The wsjt softwares performance on such weak signals is pretty amazing. Useful eme software category is a curation of 11 web resources on. A full sm5cui would tracking that the entire disk of the sm5cui is illuminated at the observers location. Software, nec antenna modeling at funet vk3ums tracking software at ve1alq website weaksignal news kiosk vhfuhfeme by w6pa0zn. The idea is to design an antenna that will not contribute noise from other directions that will add to. Ve2zaz january 2012 this presentation why moonbounce. Skd file by using ztrack moon tracking and scheduling software. That means, of the signal that goes out, the fraction that comes back to earth is 11,000,000,000,000,000,000,000,000,000. Erp calculator for the holiday classic contest vhfdx logging software for win95. Here is a collection of eme moonbounce stations in alphabetical order. The other lines on the waterfall are very weak birdies.

Noise meter noise meter software for the noise meter tool by g8kbb that measure noise using a pc sound card and calculate noise figures by means of a calibrated noise source. Introduction to earthmoonearth eme communications, moon tracking software, 6m filters, 6m antenna construction. Several other features of the program are related to this parking the antenna or shutdown the pc at the moonset or the sunset, stopping the rotor when the moon or the sun are below the horizon. But now that i have rebuilt my 144mhz antenna array it is a perfect opportunity to clean up and rebuild my moon tracking hardware. If your answer is yes then, believe it or not, you are capable of making a qso with ea6vq and other stations using the moon as a reflector. The history a real challenge the bands how small a station visit ve2zaz eme some hints optimize noise figure jt65 the software moon tracking web references w5un mighty big antenna. Radio and antenna rotator control for autonomous trakcing. Rotator controller using arduino and pstrotator when i first started my 2m eme experiments elevation and azimuth control of the antenna was done manually, using a plumbline and protractor for elevation and circular protractor for azimuth. Eme, or moonbounce as it is commonly known, is the most exotic means of communicating for radio amateurs, and is not to be compared to active satellite communications.