This bandwidth limitation implies that the scan rate is much lower than fullmotion video. This program generates sstv audio signals from a bitmap and saves them in a wav or mmv file. The software used for my digital sstv is lateest easypal under windows 7 64 round the clock 24 hours a day, working 100% click here for link to download latest release version of easypal sstv if you send digital sstv with easypal please check that you allow your tx images to be uploaded to rx stations websites. If you want operate sstv, these are the most popular ham radio sstv apps. The images often contain their ham call sign overlaid on the image. Sstv slow scan television is an amateur radio image transmission mode, to transmit and receive pictures via radio. Digital master 780 is a windows multimode program which uses ham radio deluxe. The equipment used is a kenwood d710 transceiver running about 25 watts output which provides a very strong signal enabling reception using simple equipment. A builtin computer sound card may not be stable enough for sstv. Easypal easypal is a freeware dsstv software uses the drm digital radio mondiale encoding to allow the sending of image files over voice channels. In the past twelve different images were sent on 145. Sstv signal reports most hams use an rsv readability, strength, video system for communicating analog sstv signal reports, but if you ask some hams, like johann w5cst who has been using this mode for decades, they prefer the p picture quality scale. A 640 x 480 picture can be transmitted in 3 minutes with better quality than a 4.
A pc running one of the common slow scan tv decoding applications. Feb 27, 2020 a digital scope is also available among the viewing options. Setting up the audio levels for receiving and transmitting will require some experimenting, just as the case is with other pieces of software too. An rtlsdr together with the csdr dsp software is used to set up a command line based receiver, which pipes the sstv audio into a virtual audio sink, and then into qsstv. The images received by amateurs worldwide during previous. This page uses frames, but your browser doesnt support them. Audio input uses hb9tlks ham drm standard modes a, b and e. For my slow scan tv work, i use digital master 780 dm780, which is a tool that is included with ham radio deluxe. Note this contains all the files you will need to run easypal but it does contain an old easypal version. Many digitalmode programs used for modes such as psk and rtty i. The original pd mode timings have recently been revised and some new modes added. Well use fldigi for a few months, then switch to sstv for a few months. Most of the softwarehardware packages for sstv are designed around ibmcompatible.
We share with digital ham modes and other services. To send and receive messages, you need to connect your amateur radio rig to a computer, and then use software to send and decode images. Here are operating tips for operating narrow sstv in north america. I use an inexpensive laptop computer with a 233 mhz cpu and windows 2000. In cleveland, oh, we do a digital net on thursday nights through a local repeater 146. Examples of received iss sstv images in robot36 using rxsstv 16. Dec 20, 2014 sstv slow scan television is an amateur radio image transmission mode, to transmit and receive pictures via radio.
Easypal digital sstv drm 20m sstv easypal and mmsstv. 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. I have dm780 set up to automatically upload received pictures when i am working sstv. The sound card of a pc, with special processing software, acts as a modem. Most people looking for free sstv for windows 10 downloaded. Kgstv is perhaps the one that qualifies close enough as digital sstv because it uses a protocol that is very nearly like a normal tv with lefttoright and toptobottom picture scanning system. If you send digital sstv with easypal please check that you allow your. The software can generate either a clean signal suitable for transmission, or a signal contaminated with noise, suffering from qsb, etc. Iss sstv uses a kenwood tm d710e transceiver which is part of the amateur radio station located in the russian iss service module. Multiple sstv formats and sampling rates are supported.
A transmission consists of horizontal lines, scanned from left to right. Andrew was able to receive several sstv images using an r820t dongle tuned to the 27 mhz 11 meter. Ftv multimode image and data decoding software sstv free. Mmsstv is probably on of the the most popular slow scan decoding software available. The controls easypal provides a modest control panel in the upper left corner. Make sure to get the blessing from the repeater trustee if you want to try this yourself. Apr 16, 2015 his website has a collection of hf sstv receivers that can be used to check reception and propagation. Youll find sstv software on services such as compuserve and america online, as well as on several hamoriented bbss. Thumbnail browsing is fast and ole support is ensured. 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. See the sound card clock calibration section in the radio interface setup for getting started with ham radio sound card digital modes document. Dm780 for my slow scan tv work, i use digital master 780 dm780. 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.
Sstv with hrd ham radio deluxe peer support forums. If you have doubts, please read this research paper. Sstv slow scan tv for ios free download and software. Psk31, cw, dominoex, mfsk, mt63, olivia, rtty and throb. If you have a vhf digital sstv net in your area or have details of regular hf digital sstv nets. Each colour has its own frequency in sstv mode and the software simply. Sstv software for ham radio sstv emission the dxzone. We are excited to finally be able to offer the entire radio community the revamped mmsstv with the nickname yoniq also in english, he said. The software used for my digital sstv is latest easypal under windows 7 64 round the clock 24 hours a day, working 100% click here for link to download latest release version of easypal sstv if you send digital sstv with easypal please check that you allow your. Quick start for mmsstv graphics by joe wj5hm mm sstv slant adjust by rick wb0vzw getting started with sstv qst sept.
Mmtty supports rtty, mmsstv supports sstv, and mmvari supports rtty, psk, and mfsk. P stands for picture quality level on a scale from 0 to 5 best. Sstv software for ham radio sstv emission category is a curation of 21 web resources on, slowrx, ofdm tv, mixw v3. The gnu lesser public general license lgplis a free software license published by the free software foundation. The software i use is either cpix by silicon pixels or and engineering version of spacecam1. As of august 1, 20, all three applications are released to open source development under the lgpl license. We have to translate analog sstv tones into digital data the computer can understand. Please note that sstv events are dependent on other activities, schedules and crew responsibilities on the iss and subject to change at any time. Its compact, its handy, its powerfull, its easy to use and its free.
A digital scope is also available among the viewing options. Click here for link to download latest release version of easypal sstv. Sstv, both analogue and digital slow scan television using mmsstv. If you dont own a pc there are several standalone sstv systems that operate without computers. Slow scan television sstv is a narrowband voice spectra picture. Sstv sites monitors websites which have sstv images uploaded to.
Special thanks to the astronat richard garriott w5kwq aboard iss for his extra efforts to communicate with fellow hams, setting up the hamequipment for sstv, repeater mode, aprs and so much more. An external sound card or sound card interface is highly recommended. An update of the popular mmsstv slowscan television sstv software is now available. Several sstv modes can be chosen, including martin 1 and 2 and scottie 1 and 2. His website has a collection of hf sstv receivers that can be used to check reception and propagation. Oct, 2009 this is a tough haul for any kind of digital transfer and easypal seems ready to tackle the challenge. Using dm 780 with sstv ham radio deluxe peer support forums. Examples of received iss sstv images in robot36 using rx sstv 16. A transmission consists of horizontal lines scanned from left to right, building. A technical term for sstv is narrowband television. Commercial broadcast television requires 6 mhz wide channels, because it transmits 25 or 30 picture frames per second, but sstv usually only takes up. Digital master 780 is the digital operations part of the ham radio deluxe hrd suite.
Image communication on short waves sstv, wefax, hamdrm. It automatically saves received sstvimages any supported mode is detected automatically too and. An interface will also provide 1 an easy way to adjust sound levels, 2 isolation of computer sounds, 3 isolation of stray rf, and 4 a simplified way to configure an external ptt circuit. The software used for my digital sstv is latest easypal under windows 7 64 round the clock 24 hours a day, working 100% click here for link to download latest release version of easypal sstv if you send digital sstv with easypal please check that you allow your tx images to be uploaded to rx stations websites. Digital master 780 is a multimode program for windows users, and it uses ham radio deluxe for radio control. Andrew was able to receive several sstv images using an r820t dongle tuned to the 27 mhz. Id like to introduce the ebook for ham radio operators and radio listeners interested in special communication modes for image transmission sstv, radio facsimile wefax and digital sstv hamdrm. This has now changed to use the faster pd120 mode with a 2 minute offtime which will allow more images to be received in an orbital pass. Sstv software for ham radio sstv emission amateur radio wiki. Slow scan television sstv is a ham radio operating mode in which pictures are transmitted over radio, via tones of 15002300 hz with synchronization pulses at 1200 hz. Digital sstv software category is a curation of 9 web resources on, easypal, digtrx.
Easypal easypal is a freeware dsstv software uses the drm digital. I usually operate on 7mhz, 14mhz, 50mhz as well as uhf and vhf. Getting started with mmsstv jeffrey kopcak, mba k8jtk. Slow scan television sstv is a picture transmission method used mainly by amateur radio. It is not obvious at first, but many of the adjustable parameters change by right clicking the mouse. Ok i have the program up and can hear sstv signals on 14. Many of them are free to download and use, while some others are commercial. The receiver setup procedure is similar to the method used in our rtlsdr v3 qrp monitoring station tutorial, and is a very nice way of setting up an efficient command line. If i change it to another mode it just flips back to none. Digital sstv software is based on digital radio mondiale drm which is an open standard system for transmitting digital signals. Uses alsa soundsystem that is available in most linux distributions. Slow scan television the wireless institute of australia. It automatically saves received sstv images any supported mode is detected automatically too and. Sstv is a method ham radio enthusiasts use to send small images to one another.
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. The software used for my digital sstv is lateest easypal under windows 7 64 round the clock 24 hours a day, working 100%. Ive noticed that if someone is using phone on a close frequency, people tend to switch from sstv usb to sstv lsb or vice versa in order not to interfere with the phone users. The receive tab that lists all sstv modes is set to none.
To receive signals and to tx aswell what parameters i have to select to have to operate this mode. Eugenio fernandez, ea1ada, has introduced yoniq, which he calls a modern version of mmsstv. Of the several digital sstv software that is available, the two most prominent ones are kgstv and easypal. Audio input uses hb9tlks ham drm standard modes a, b and e compatible with windrm etc. Rx sstv is an easy and back to basics sstv decoding program. Digital master 780 is the digital operations part of. Rxsstv is an easy and back to basics sstv decoding program. Jun 14, 20 over on the radio antics blog fellow rtlsdr enthusiast andrew has been using the rtlsdr to receive slow scan television sstv amateur signals. This is a tough haul for any kind of digital transfer and easypal seems ready to tackle the challenge. In the amateur radio world, this allows you to send images as data to each other ober amateur radio.