In 2011, dubus magazine published an article by on4khg explaining ground gain, and how to measure and maximize it. On my youtube channel i upload videos mostly on the icom 7300 and icom 7610 as well as ham radio software programs. Download, install and configure the virtual audio cable software vac vac is a program that transfers the rx tx audio from powersdr to n1mm and subsequently transfers the tx audio from n1mm to powersdr without using a physical interface between the radio and a computer sound card. Uses the ita2 alphabet commonly known as baudot, derived from the murray code. The program can interface with your radio using several ports from the computer. See the n1mm logger plus help files for the supported rtty and psk. Click on the hardware tab on the right side of the hardware window, be sure so1v is. In his second video tech minds explains rtty and also shows how to decode it. This section contains links to nonicom software packages that are either written specifically for the ic7300 or which support several rigs including the ic7300. N1mm logger, mmtty, extfsk are the software programs for rtty fsk being used with the icom 7610. This is the default configuration in most software that supports fsk keying. I tried the digital interface button in the n1mm window tab, but no joy.
Improvements in rtty reception and decoding larry gauthier k8ut may 18, 20. Naoki sawada troex nevelin alexey sukhotin troex nevelin translator english. To decode it he uses digital master 780 which is a program included in the ham radio deluxe software. Rtty software, digital mode ham radio amtor, psk31, ax25. In the entry window, click on the config tab click configure ports, mode control, audio, other at top of the menu. The n1mm logger is a freeware program designed to do contest logging and some general logging.
Hfpacket and uhfpacket ax25 are supported in kisstnc emulation mode. It offers psk, mfsk and rtty digital modes with logging and macro capabilities. When i press a function key in n1mm, the radio goes to tx, an seeing tx signal in spectrum display and power out on rf meter, but not hearing any audio or diddles. The best way to troubleshoot is to close n1mm and open the standalone mmtty program. G3yyds 2tone dropin replacement for mmtty, for afsk rtty.
The spectrum display is relatively new and a lot of fun to use. You will need to open a rtty type of contest in n1mm i used the naqp rtty contest coming up this weekend and have your radio up and running first, then open n1mm second. Consult the n1mm update history notes for information on. Function key definitions, telnet clusters, call history, and country information are not saved in the. Be sure to see our instructions for configuring your communication program.
If we dont have the program that you are using listed, then be sure to see the general setup section as it applies to all sound card programs. Audio files for testing mmtty rtty audio files i recorded for mmtty receive testing. Licensed since 1968 operating rtty since 2001 awardsdxccwaswaz rtty operationfsk typically so1v so2v software prejudicesd x4win for dxing n1mm logger for contesting mmtty and 2tone major rtty contest achievements. Icom 7610 n1mm rtty fsk cw how to ham radio with k0pir. This guide is for those who want to get up and running on rtty quickly with n1mm logger plus using mmtty as the main digital interface. N1mm logger is the worlds most popular ham radio contest logging program. It can be integrated with the cw terminal program cwtype, morse decoder cwget and rttypsk31 software truetty. If you are not printing the signal or see the presence of noise in the rtty engine. The fsk signal doesnt sound the same as if i were running afsk rtty or fsk rtty through a bonafide serial port, and when i try to actual send data vs just diddling, it locks up the computer. Tus or tncs, but now the most common device for decoding and encoding rtty is simply a sound card in a personal computer. For cw, phone and digital modes, its combination of contestoptimized features is unmatched.
In the following steps, we are going to set up the configuration for n1mm logger. My name is sergey, i was born in the 1963 year and live in moscow, russia. A rtty signal involves two frequencies, referred to as mark and space. Digital fldigi for sound card modes the fldigi interface. Supported radios n1mm logger plus free software for. Another overview of serial tousb converters can be found at the rtty. Welcome to my personal page,website about radio amateur digital modes since 1999. If you use n1mm logger for contest and get tired of calling cq as i do. Icom 7300 and icom 7610 as well as ham radio software programs. Cq, it will say the callsign of the station youre working using individual recordings of the letters and numbers. The programs features are continually changing, and the manual may sometimes fall behind the code when this happens. Airlink express box airlink express is a user friendly digital mode software package for the amateur radio operator. It seems unlikely that the sound card would be so far off, or that it wouldnt run with the standard 11025hz, but there is a look hidden in there. The switching occurs rapidly enough that, when seen on a pcgenerated audio.
How to decode maritime broadcasts in rtty, sitor b, and. If you are not printing the signal or see the presence of noise in the rtty engine 1 window, then something is not set up correctly. Group my fried is currently using the omni vii with dx commander software package, dx keeper for logging, and wsjtx and everything is working properly in this setup. I have a new k3s radio that uses the new usb for sound and radio control. This mode is gradually dying out in favor of more robust modes like psk31 in the amateur service. Ive tried to find out why things worked like this but with no luck. Supported modes are rtty baudot code, ascii 7 or 8 bits, psk31 bpsk and qpsk, bpsk63, qpsk63, bpsk125, amtorfec sitorb, navtex, multifsk16, multifsk8. Rtty radio teletype also known as baudot or ita2 uses the baudot 5bit alphabet with fsk frequencyshift keying to send text messages over the shortwave. Configuration n1mm wsjtx for the wwdigi contest youtube. For keying his radio as above he is using the lines inout from his radio to the sound card on his computer. Set the appropriate rtty and psk modes for each radio. Supported modes are rtty baudot code, ascii 7 or 8 bits,bpsk31,qpsk31,psk63,bpsk125,amtor sitor,navtex, mfsk16, mfsk8, hf and uhfpacket ax25, dtmf. A program for amateur radio digital communications via a sound card.
Rebuilt my pc and have had to reinstall most programs. In wea rtty when using mmvari for the digital engine qtc was not being sent correctly. See the n1mm logger help files for the supported rtty and psk modes for your radios. Well theres the sound card issue with afsk and i noticed after setting up afsk on the 7300 that the signal on the spectrum scope is not aligned with the signal on mmtty n1mm logger. The main problem with using vox, and especially if you use the speaker out jack on the sound card for rtty, is that other sounds from your computer, such as sounds generated by windows. Beat frequency oscillator, a way to pipe your radios audio into your computers sound card, and decoding software. Ham radio digital modes software list and descriptions. Rtty programs, software for ham radio rtty emission mode category is a curation of 23 web resources on, extfsk by mm hamsoft, mmtty mm hamsoft, gmfsk. For fsk rtty transmitting, i built the w3yy interface circuit.
What is rtty for amateur radio an overview, summary or tutorial about the basics of rtty or radio teletype, one of the first digimodes to be used and the. Before attempting to use the so2r box with n1mm logger, you should verify that. Maybe by now, you have read something or experienced something when receiving rtty to give you an idea of how you want to transmit rtty. The window with 11 in the left hand green bar is the 2tone di1 rx window 1 window, thus. I also use soundcard software called digital master 780 which is included in ham radio deluxe. I have been searching the fldigi help files as well as n1mm but im still confused. It is not a general logging program with award tracking etc. I have used n1mm for several years now, and recently moved to the new plus version which is still free. If you have been following this quickstart guide and have already set up 2tone in a receiveonly window di1 rx window 1, then it should be present in the digital interface as shown in figure 53. This is not a skimmer, it decodes a single signal in the 3khz audio coming from the transceiver via a soundcard, just like any other rtty program. Mac multimode cw, rtty, sitorabfecnavtex, fax, acars, wwvb, dtmf, ccir, eia, xph, af for macg0vtq blaster teletype software. Vk4sn software settings vk4sn amateur radio station. A tutorial on how to get started operating rtty using mmtty as the primary program to begin your rtty operations. The linking to mmtty works as it should, the radio keys and sends rtty when i hit any of the predefined f keys.
It looks like youre now well equipped for modern rtty operation. You can click callsigns and reports in any of the rtty windows to populate fields in the entry window. Control of most popular transceivers using a computer and serial interface. The waterfall is there but says waterfall only mode. You can use the same sound card for each of your decoders at the same time. Rtty is another much older mode that is used by the military as well as hams. This morning i somehow lost my rx window on fldigi. Fldigi can only do fsk keying with the help of an external circuit that converts the audio signals from these programs into an onoff keying signal. The support forum and support by the n1mm team cant be beat. Of note is that the accessibiilty name for received nr is the sent nr nnn at terrys request.
Configuring n1mm logger for the yccc so2r box author. There are several rtty software packages out there, free, and my favorite is mmtty. This will include starting radio control if your radio is connected to your computer, selecting soundcard as your tu type for use with mmtty, and setting the path to mmtty. This is a great article for folks who want to do rtty with an ic7300 transceiver. For those not familiar with mmtty, please go to getting started on rtty first. Please note that when using mmtty with n1mm logger, com port settings for ptt and fsk, if used are set up separately in mmtty setup. Coded by n2amg entry windowconfig, contact edit, contest setup. Amateurs attempting earthmoonearth communication can take advantage of ground gain to enhance their signal by up to 6 db. Only receiver and computer with a sound card are necessary. The september 2017 issue of the gray line report, the twin city dx associations monthly newsletter, contains. Fsk rtty is much easier to use than the afsksound card approach.
N1mm logger tx audio recording on the fly the easy way. Ham radio with k0pir virtual serial ports emulator. If it is not already opened, open the digital interface di1 from the window menu. You can read more articles about digital modes on our blog. This is a fantastic piece of software, probably the best free software i have ever seen. I know the ic7410 plays well on fsk rtty as i have won 1st place in the missouri section in the solp category in the rtty roundup for the last two years in a row. The software is compatible with microsoft windows xp, microsoft windows vista, and microsoft windows 7. How to configure n1mm with powersdr and vac for voice keying. Also, instructions are included in how to use both 2tone and gritty as receiveonly decoders. Configurer settings are remembered by the program in the n1mm i file.