I used my webcamtx sstv program to transmit to mmsstv using an audio. Sstv slow scan television one of the image modes atv amateur television i. Multimode cocoa lets you decode and display ham amateur radio sstv slow scan tv transmissions. It automatically saves received sstvimages any supported mode is detected automatically too and. Despite the high cost, this is the most full featured digital decoder ive seen on the mac. This mode should be useful for reducing multipath distortion and jitter. When i invented the pd120 mode in 1997 it was an attempt to provide a high resolution image for hf work with a faster. Sstv software for ham radio sstv emission the dxzone. These modes are not new to sstv actually, but i have added them by way of trial. Pd120 sstv test recording by space comms free listening on.
Tested that the software was receiving audio input it was. A pc running one of the common slow scan tv decoding applications. Bw black and white rgb red, green and blue parts of the image are sent separately and. The equipment used is a kenwood d710 transceiver running about 25 watts output which provides a very strong signal enabling reception using simple equipment. In preparation for upcoming iss sstv events you can use this recording to make sure your sstv app software can properly decode sstv transmissions like the ones the iss will be sending, which use the pd120 mode. A small software that is pafait for reception sstv pd120 and also very good.
Rxsstv is an easy and back to basics sstv decoding program. Digital sstv has become possible with little trouble in recent times with the use of digital radio mondiale drm. Iss transmissions use the 5khz deviation fm standard. This is a way of transmitting pictures over the air, the picture is encoded into sound and sent via a transmitter. Sstv images will be transmitted in pd 120 format on 145. Over the course of the last two days, mmsstv decoded two images, but they look like noise instead of a recognizable image. Obtaining qsl cards for iss sstv reception qrz forums. More information about amateur radio on the iss can be found on the ariss website. Just noted the iss is going to transmit sstv images using pd180. Slowscan television sstv, fastscan television atv, sstv frequencies, sstv software, modes. Sstv slow scan television is an amateur radio image transmission mode, to transmit and receive pictures via radio. If an calibration header gets detected, the resulting image will be saved in the pictures directory and can be immediately seen in the image gallery. Whatever software you use, make sure its set to sstv mode pd120, as thats what the iss will be using, and if you dont set that, you might not. Sstv with dm780 ham radio deluxe peer support forums.
A 640 x 480 picture can be transmitted in 3 minutes with better quality than a 4. I merely held my ipod touch near my hts speaker, set the app o pd120 graphics. Its possible to receive sstv transmissions with only a handheld transceiver and appropriate sstv software. Analog broadcast television requires at least 6 mhz wide channels, because it transmits 25 or 30 picture frames per. Certificates are being distributed via email to those who posted reception reports and images. The receive software uses y0, ry and by to decode the first picture line and y1, ry and by to decode the second line. Bw black and white rgb red, green and blue parts of the image are sent separately and combined by the receiving software. It is unknown how the current hardware issue will impact the operation during this period of time. In preparation for upcoming iss sstv events you can use this recording to make sure your sstv app software can properly decode sstv transmission like the ones the iss. Quick start for mmsstv graphics by joe wj5hm mmsstv slant adjust by rick wb0vzw getting started with sstv qst sept. I update the latest ham radio software links as soon as they come out so ether check back regular or enter your details above in the notify box and you will get a email every time i update the amateur radio software links. I use an inexpensive laptop computer with a 233 mhz cpu and windows 2000. Is there a way to add that mode to the available choices. The sstv images, stored o n a computer in the iss russian segment, were transmitted by rs0iss on 145.
A 640 x 480 picture can be transmitted in 3 minutes with better quality than a. By the way, the pd120 mode produces images that are 640 pixels by 496 lines so you must use either the picture viewer tool the magnifying glass icon or choose the always show rx viewer option in mmsstv to see them at full resolution. Pd120 sstv test recording by space comms published on 20151221t16. Mmsstv is set to automatically detect the sstv mode. The video quality of the pictures can be quite impressive. Space stations slowscan television system to be active in april. Digital master 780 is a windows multimode program which uses ham radio deluxe.
The pd sstv modes were developed by g4ije and k0heo to provide a range of high resolution sstv modes with reasonable transmission times. On the mac the most robust software is the nonfree multimode cocoa. Just connect your device to an hf radio or even set it next to the radios speaker, tune in an sstv frequency, and watch the pictures. From december 0608 the iss again send sstv pictures. The images are always transmitted in mode pd 120 on 145.
On dm780, i am attempting to capture sstv from the iss as it transmits images during the 50th anniversary of the apollo 11 landing. Slowscan television sstv, fastscan television atv, sstv frequencies, sstv software, modes some sstv mode details. Fastscan television atv, sstv frequencies, modes sstv is a mode that uses a computer and an amateur radio transceiver to send and receive still images over radio. Dec 21, 2015 in preparation for upcoming iss sstv events you can use this recording to make sure your sstv app software can properly decode sstv transmission like the ones the iss will be sending, which use. This recording is also available on youtube and as an mp3 download via dropbox. Sstv slow scan tv for ios free download and software. When i invented the pd120 mode in 1997 it was an attempt to. When i invented the pd120 mode in 1997 it was an attempt to provide a high resolution image for hf work with a faster frame time than the threeminute pd180 mode.
Want to display or send sstv transmissions, without using a bulky computer. Confirmed that the sstv images to be sent from aug. For all the latest digital software downloads including easypal, qsstv and mmsstv. In preparation for upcoming iss sstv events you can use this recording to make sure your sstv appsoftware can properly decode sstv transmission like the ones the iss will be sending, which use. Sstv software for ham radio sstv emission category is a curation of 21 web. To receive the images you can use a simple rtlsdr dongle and the mmsstv software.
This is a way of transmitting pictures over the air, the picture is encoded into sound and sent via a. On dm780, i am attempting to capture sstv from the iss as it transmits images during the 50th. On request, ariss sstv award manager slawek szymanowski, sq3ook, will provide anariss sstv award to anyone posting an image. The international space station iss amateur radio slow scan television sstv system is expected to be active on 145. Pd 180 yc 187 480 pd 160 yc 161 384 pd 120 yc 126 480 pd 90 yc 90 240 robot 8 bw 8 120 a, e 12 bw 12 120 e 24 bw 24 240 e 36 bw 36 240 e. Its compact, its handy, its powerfull, its easy to use and its free. Sstv transmission modes general characteristics by john langner, wb2osz. Listofsstvmodes 5 2 system mode colors viscode durationslinescolumns lpm mmsstv mc110n rgb 0x14 110 256 320 7. Sstv pad decodes all of the popular sstv modes, including robot, scottie, martin, and more. The original pd mode timings have recently been revised and some new modes added. The schedule calls for transmissions on wednesday, june 6, 1230 1630 utc, and thursday, june 7, 1150 1525 utc. Apr 16, 2018 the sstv images, stored o n a computer in the iss russian segment, were transmitted by rs0iss on 145. Sstv with hrd ham radio deluxe peer support forums.
The pd sstv modes were developed by paul g4ije and don k0heo to provide a range of high resolution sstv modes with reasonable transmission times. Both my old 12 year old desktop and newer i7 laptop supports this mode running windows os versions 710. Russian cosmonauts are expected to activate slow scan television sstv image transmissions on 145. It automatically saves received sstv images any supported mode is detected automatically too and. Sstv software for ham radio sstv emission category is a curation of 21 web resources on, slowrx, ofdm tv, mixw v3. Low power qrp slow scan television, sstv, is another mode that i enjoy using. Dec 20, 2014 sstv slow scan television is an amateur radio image transmission mode, to transmit and receive pictures via radio. I can use mmsstv and capture the images but i would like to use dm780. This mode allows an amateur to send and receive video pictures worldwide via 2 way radio on the hf ham bands. Just connect your computer to an hf radio, tune in an sstv frequency, and watch the pictures.
Just looking at the rx window does not give you the benefit of the extra resolution. Software mmsstv windows qsstv linux multimode cocoa mac multiscan 3b mac macrobot mac. If you are wondering what amateur radio is about, its basically a two way radio service where. Update july 31, 2019 below is the recent news release from ariss. Last updated 20180708 my latest iss sstv video table of contents next planned event recommended decoding software tracking the iss what to expect during a pass hints next planned event the ariss sstv blog is the most authoritative source on iss sstv event info as it is maintained by the iss ham project coordinator, who. Hi all, i might say that the first time i used sstv was back in the 90s and never used again, so im adrift im using hrd dm780 last version along with mmsstv 1. Software capable of decoding the sstv pd 120 signal.
Sstv was originally an analogue mode based on frequency modulation fm. Pd pd 120 126s, 640x480, ycrcb robot robot 36c 36s, 320x240, ycrcb over 70 modes. Interfaces need a radio, computer, interface between the two, and software. Jul 08, 2018 last updated 20180708 my latest iss sstv video table of contents next planned event recommended decoding software tracking the iss what to expect during a pass hints next planned event the ariss sstv blog is the most authoritative source on iss sstv event info as it is maintained by the iss ham project coordinator, who. This has now changed to use the faster pd120 mode with a 2 minute offtime. The scan time for each pixel is longer than the other modes, but the.
The software i use is either cpix by silicon pixels or and engineering version of spacecam1. Mmsstv multiscan 3bmultimode qsstv droidsstv sstv slow scan tv ham radio decoder bundle. After connecting the audio output of the radio receiver to the audio input of a computer running free software such as. Slow scan television sstv is transmitted by the ariss russia team from the amateur radio station in the russian service module of the international space station using the callsign rs0iss. Most slow scan pictures are transmitted and received using a home computer and suitable software. Analog broadcast television requires at least 6 mhz wide channels, because it transmits 25 or 30 picture frames per second in the ntsc, pal or. A tuned satellite antenna like a qfh, turnstile, or tracking yagi would be preferred, but many people have had good success before. Slow scan television sstv is transmitted by the ariss russia team from the. It is based on the color difference scheme that the pd mode uses. Slow scan television sstv is a picture transmission method used mainly by amateur radio operators, to transmit and receive static pictures via radio in monochrome or color. The iss will be sending sstv in april the swling post. Pd120 sstv test recording by space comms free listening.
If you want operate sstv, these are the most popular ham radio sstv apps. Connected the radio to my computer via line in and installed the software mmsstv. Slow scan television sstv is a picture transmission method used mainly by amateur radio operators, to transmit and receive static pictures via radio in monochrome or color a literal term for sstv is narrowband television. Dec 12, 2014 just noted the iss is going to transmit sstv images using pd180.
Sc2 180 old bw or unsupported modes can be viewed in raw mode. Many of them are free to download and use, while some others are commercial. Of particular note is the mention of a certificate for successfully receiving and. In particular, i have considered good tradeoff between the transmission time, picture size, and quality. Jul 16, 2017 this is for pcs that support stereo mix. Arisssstv images slow scan television sstv images transmitted from the international space station and other ariss supported satellites. Pd 180 yc 187 480 pd 160 yc 161 384 pd 120 yc 126 480 pd 90 yc 90 240 robot 8 bw 8 120 a, e 12 bw 12 120 e 24 bw 24 240 e 36 bw 36 240 e 12 yc 12 120 24 yc 24 120 36 yc 36 240 72 yc 72 240 scottie s1 rgb 110 240 b s2 rgb 71 240 b s3 rgb 55 120 c s4 rgb 36 120 c dx rgb. Thus each line of sstv sent is actually encoded from two picture lines. The images are always transmitted in sstv mode pd 120 on the frequency 145. Sstv pad lets you decode and display ham amateur radio sstv slow scan tv transmissions. Added several sstv modes improved the automatic synchronization function. Quick start for mmsstv graphics by joe wj5hm mm sstv slant adjust by rick wb0vzw getting started with sstv qst sept. To receive signals and to tx aswell what parameters i have to select to have to operate this mode. It was interesting to hear that more iss sstv activity is planned, this time using pd120 mode.
The international space station iss periodically schedules radio events where they transmit slow scan television sstv images down to earth for listeners to receive and collect. As a new trial, the vis signal is expanded to 16 bits. However, they are using pd120 mode and that mode is not available in dm780. Space stations slowscan television system to be active. Rx sstv is an easy and back to basics sstv decoding program.
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