Uiss is windows packet program designed for satellite communication, like iss, pcsat, ande and other aprs compatible satellietes etc. The tnc wont check the frequency for any traffic before sending, if you are ignoring dcd. If you have an iphone or ipad, here are two apps that make it easy to determine when the iss will be. Because of that, no aprs operation via the iss has been possible at all. Basically, satellites tracks all spacecraft of known tles and perform doppler prediction. Youll find one such pass prediction tool on the amsat website. Working digipeaters with the kenwood thd72a and thd74a by joe kornowski, kb6igk editor, and. Ariss offers an opportunity for students to experience the excitement of amateur radio by talking directly with crewmembers onboard the international space station. The tnc decodes the audio tones and creates data packets the raspberry pi can. Just over a year ago an article about my aprs experiments with the international space station appeared in the zeroth issue of the print magazine.
The software is free for hams and noncommercial purposes, but if you do use it and. Add iss packet operation to your satellite activity use equipment already in your shack or acquire it for cheap. It features a much more powerful 32bit processor with improved dsp capabilities, better telemetry support, usb, and more room for expansion. Joanne maenpaa k9jkm wrote this article on how to use the packet radio digipeater on the international space station iss on 145.
The psat2 comms board is commercial off the shelf byonics and all modern transceiver modules conform to fcc narrowband channel designs. But we have several digis in the area and i dont see a need to add another one. For manuals and downloads, see the support section below the tracker3 is the successor to our popular tracker2 series. How to work the iss on aprs packet radio clay county amateur. Issaprs satellite frequently asked questions wa8lmf. Iss packet with uiss digipeating packet contacts through the international space station. Wide22 would cause your packets to be repeated twice if terrestrial digipeaters should hear them. Add iss packet operation to your satellite activity. Aprs via iss tips for successful operation hamspirit.
Working digipeaters with the kenwood th d72a and th and. Kenwood tmd710 setup for aprs space station iss youtube. The remiander of this page is dedicated to helping newcomers to understand how to use aprs via the iss digipeater. Here is my checklist for switching from terrestrial aprs to working the iss. The igate works very nicely and ports a lot of traffic to aprs. The other day i was able to receive the beacon from the iss but couldnt get a reply when sending mine. This page shows realtime information collected from the automatic position reporting system internet network aprs is. The radio must be capable of operating digital packet internally, from a tnc, or with a computer running sound card and packet software.
For ios satellite explorer pro is the software of choice. Ariss is an international educational outreach program partnering the. Iss is still very silent, but digipeater works yo3fvrs. The international space station iss, pcsat no44, and sat no84 all operate on 145.
Qrp to the iss doug cook, kd5pdn contacting the international space station with a few watts and a shoestring budget antenna. Aprs software for ham radio category is a curation of 33 web resources on, usaphotomaps, adaptive home logic, aprstrack. Mode v aprs worldwide aprs digipeater most common operating mode. Software written in go can be compiled for many systems and achitectures. Since then a lot happened and i got some nice qsos into my log that way. Contribute to bh4tdv aprs 51tnc development by creating an account on github. Description this project is an aprs igate for ariss programs digipeater aboard the international space station. Presumably youre using the iss vhf aprs frequency 145.
The addition of another cable or two between sound card and radio and a little software tweaking would give the station full digipeater capability. Help with th d72a setup for ariss aprs packet page 2. What is aprs aprs was designed in the 1990 time frame as a digital equivalent to simple voice nets. Apologies for the cluttered screen but i wanted to show all the different software that i. Almost all aprs programs have the ability to function as igates, consult the documentation of your program of choice for details. Add iss packet operation to your satellite activity ariss. The soundmodem has two tcpip interfaces to link with client application. Digipeaters aprs winlink lookout mtn amateur radio. Unfortunately the transceiver that had been used as the digipeater on the iss stopped. Ariss is pleased to announce that packet radio from the international space station is back on 145. Since apparently i cant post to a thread more then a year old ive been trying to pick up the aprs beacon from the iss using a yaesu ftm400. The uhf frequency means users will have to make adjustments for doppler on both uplink and downlink. A vehicle equipped with a gps receiver, a vhf transmitter or hf transceiver and a small computer device called a tracker transmits. While not directly aprs is capable, it sets the standard for aprs.
A digipeater which operates on multiple frequencies or routes between rf and internet traffic is called a. Aprs via iss tips for successful operation iss fan club. Orbit prediction software commercial and public domain software is available to help track when the iss will be in range of your station, and where to point your antenna. Download repeater frequencies in east tennessee too. The packet system uses the same protocol as the vhf system. Aprs is used by amateur ham radio operators to transmit realtime position information, weather data, telemetry and messages over the radio. As the iss passes over my location, the radio passes the received signal from the iss to a terminal node controller tnc that resides atop the raspberry pi. This can cause collisions, and prevent your packets from being retransmitted by the iss or other orbiting digipeater.
Uiview also supports tncs in kiss mode, agwpe host mode and bpq host mode. Today on hamradiocomms i show how to send aprs packets to the international space station iss using the kenwood tmd710 d700 and the same settings would work on. Posted on october 21, 2016 august 28, 2017 by k7kez. Unlike fullduplex vhfuhf voice repeaters, a digipeater will receive a packet, process it, and retransmit on the same frequency. Digipeaters are just like normal voice repeaters in that when they hear traffic, they rebroadcast it with a little more antenna height and usually a little more power. Tape measure antenna i began my antenna using the design on. Aprs direct is a website that brings you global realtime aprs tracking and weather data including cwop. This application differs from most aprs software in that it isnt designed just to be used with tncs in terminal mode. There are two fundamental parts of the aprs network that enable communications beyond simple peertopeer transmissions. The iss tries to keep the iss packet station on 145. Aprs settings for the iss international space station. The radio used for voice and aprs digipeating on the international space station is offline until further notice. Aprs via iss tips for successful operation iss fan. To have the international space station digipeat digitally repeat your transmitted aprs packets to any groundbased internetlinked station called sgate verify that your iss digipeated message was recorded by aprs tracking websites.
Our goal is to bring you a fast and easytouse map with the latest aprs activity. How to work the iss using aprs packet radio amsatuk. Tracker3 series aprs tracker available through our online store. The amateur radio on the international space station packet digipeater aboard the iss has been active for several days now on 437. The transceiver has been connected to a windows pc running a ham deluxe software package called satellites. Aprs settings for the iss international space station posted on march 4, 2016 august 28, 2017 by k7kez. Iss aprs digipeater with kam xl and icom ic910h amateur. Aprs digipeater identical to pcsat1, psat1, iss narrowband receiver challenge.
Iss packet with uiss digipeating packet contacts through. Aprs mit uiview32 schritt fur schritt anleitung deutscher. The 32 bit version of uiview also supports wa8dedtf host mode, and the variant of. The iss has an aprs digipeater, and earthbound stations can use it to send messages to each other over long distancesprovided they can. Raspberry pi 3 aprs station running xastir, information on how to build your own aprs station, igate or digipeater. We can achive fast realtime updates since each user browser will be connected directly to our own aprs is server with no intermediate databaseserver. This page documents amateur radio data digipeated by the international space station.
Ive had aprs running on this rig several times so i know that function is working. The remainder of this page is dedicated to helping newcomers to understand how to use aprs via the iss digipeater. Now is activated an ariss uhf radio that had been in storage on the iss, and it is now operational on 437. It has been tested on windows xp, vista, 7, 8, 10 and has proved stable in operation. Iss packet communications requires a 5100 watt 2 meter or 440 mhz fm xcvr. Or use 6 ssid for a packet sent via the iss or aprs satellite or for a 6 meter test so the successful packet is preserved and not overwritten by the same radio the next time you use it not via the iss on the 144. Packet radio lives on through open source software. A video by author doug cook kd5pdn shows the tape rule antenna and how to set up a yaesu vx8r for iss aprs packet data sending and receiving and other aspects to make a digital contact with the international space station. A digipeater is a station that does digital repeating. I am developing a software dualport packetradio tnc that uses a soundcard as a modem and supports ax. A few months back, the ariss team did the foot work and paperwork to launch the final copy of the ericsson vhf handheld radio to the iss. And, again, one beacon position passed the digipeater, while the aprs messages dont reach its destinations.
The only thing i think is different between ground aprs use. Unfortunately the transceiver that had been used as the digipeater on the iss stopped working in late summer 2016. You can also learn how to interpret the audio prompts when packet data is being received. Apologies for the cluttered screen but i wanted to show all the different software that i was using. In order to appear on this page, a position report in a valid aprs format must be digipeated through iss, then be heard by an internet gateway station, which then forwards it on to the aprs internet system. If you send an aprs message with the content iss to the callsign. Various online programs allow you to follow the path of satellites, including the iss.
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