2020. 1. 27. 07:41ㆍ카테고리 없음
Source: Icom IC-7300 USB for Radio Control + FSK Keying By: Cedrick Johnson. This is a great article for folks who want to do RTTY with an IC-7300 transceiver. FSK RTTY is much easier to use than the AFSK/Sound Card approach. You can read more articles about digital modes on our Blog.
Are you a fan of? Okay, it’s a funny name, but many Hams use it for digital modes like PSK31, RTTY and CW. This setup works very well with the. If you don’t know what WinWarbler is, have a look below or visit the. You can decide if you want to try it. I’ll be perfectly honest, it is a little hard getting used to after coming from HRD. Now that I have experimented with it, I like using the RTTY and PSK31 modes with Winwarbler.
This is a free program unlike HRD v6 and it’s companion DM780. Cables and Radio (Icom 7300 & 7610) As always, if you are new to this, install the before attaching the cable.
On the Icom 7610 attach the cable to the USB 2.0 port, not the blue port (USB 3.0) on the rear of the radio. The 7610 USB driver splits the COM port into two, so there is no need for a second cable for RTTY FSK and no need for something like Virtual Serial Port Emulator (VSPE). See my video, With the Icom 7300 I opted for using two cables instead of VSPE. I have articles on both options, one cable with VSPE or two cables (CI-V and USB). Setup your radio. Be careful of USB SEND in both radios. I have mine set to RTS and you may be using a software program that will conflict with it.
If your radio keys as soon as the software starts up, either turn RTS off in the radio menu or deselect it in the software you have. What is important is USB Keying (RTTY). I have mine set to DTR. Also DATA OFF MOD, mine is set to MIC,USB (This is a change from previous posts). Also important, I never have to go back into my radio’s menu to make changes. This works with all of my software.
Important Icom 7610 Screen Captures. Prerequisites to WinWarbler I suggest using the DXLab Commander with WinWarbler (WW). So if you don’t already have it, install using the automatic method as shown in my previous article,. You’ll also want the logging and I am using DXKeeper.
See my last article: You’ll want to install and it is pretty straight forward. Just download and install it from here,. You’ll also need the which is the plugin to do FSK with a USB serial connection. I mention it in the video (below) and was under the assumption it came with MMTTY these days. However, a separate download may be necessary. Try MMTTY first, and if you don’t see EXTFSK when setting up MMTTY, you can download EXTFSK from.
I also have an article on this with the Icom 7300. See: WinWarbler and MMTTY Configuration I recommend installing Winwarbler using the DXLab Launcher. After that, there isn’t much to configure in WinWarbler. Just open WinWarbler and go to the Config button. Click on the RTTY tab and configure FSK. Set FSK Control to EXTFSK64 (EXTFSK64 or EXTFSK, depending on you PC system).
Also, PTT tab in WinWarbler Configuration. Mode Xcr CtrlApp and then your Port. Go to the Soundcard tab, set your soundcard for reception of PSK & RTTY reception. The USB Audio CODEC. MMTTY requires configuration. With the same configuration window open in WinWarbler click on the MMTTYT Setup.
Go to the TX tab and select LTR for Diddle and set the EXTFSK64 for PTT &FSK. On the Misc tab, look at the TX Port and select the last option, COM-TxD(FSK). You’ll need to setup your Soundcard, so go to that tab and select the USB Audio CODEC for the Reception.
Nothing (blank selection) is used for the Transmission. That should do it, please see the video below. Icom 7610 and Icom 7300 Both of these transceivers work wonderfully with the DXLab Suite, WinWarbler and MMTTY. The 7610 is a little quieter when switching between RX and TX. Other than that, there is not much difference.
Both have excellent TPF filtering. Video I missed a setting in WinWarbler video above.
Please have a look at the snapshot below. PTT tab in WinWarbler Configuration. Mode Xcr CtrlApp and then your Port. If you have trouble, questions or comments, please post them below.
Last visitors of the site were from: Germany U.S.A. Italy (2) Israel Germany Italy Switzerland Italy Which is better: FSK or AFSK? In the field of RTTY transmissions with audio boards, you can transmit either in FSK or AFSK mode.
In FSK (frequency Shift Keying), the mark and space frequencies in transmission are operated directly by RTX (which thereby must have the FSK mode) through a built-in modulator. Reception is in any case operated by the sound card. In AFSK (Audio FSK) instead, mark and space are operated by an audio oscillator outside the RTX, which therefore needn't have the FSK mode. This function is implemented by the PCs’ standard sound cards (e.g. SoundBlaster) and by software like MMTTY, TrueTTY, RITTY, and so on.
Advantages and Disadvantages Now let's see which are the pros and cons of either mode. Surely the highlight in AFSK is that due to AFC (Automatic Frequency Control), which modifies the mark's and space's frequencies, the software can automatically 'track down' and target perfectly the other station, without having to do it manually with the VFO: this will do both for reception and transmission. This function is quite useful both when calling and when replying, as you just have to tune in on the station even if approximately and wait (pretty little) for the program to work it out. On the other hand, as far as I know, the AFSK has a couple of negative aspects, which both have to do with use in contests: when the number of adjacent stations with strong signals is high, you risk 'losing' the tuning because the AFC 'feels' a stronger signal nearby and moves, targeting the other station: in these cases you should disconnect it, retarget by hand the OM and ask him to repeat the report. The second disadvantage regards the filters: to be able to use the AFSK, the RTX must be switched to LSB or USB with reverse, if the program allows it; the problem is that not all radios (like mine, a TS940) allow to use the CW's narrow filters even in SSB (whereas in FSK this is possible), which are indispensable in the chaos of the contests in order to 'isolate' a single signal. As to the FSK, the disadvantage is that the AFC can be used only in reception, which makes the manual targeting of your partner indispensable if you want to answer a call.
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I can thus say that both the FSK and the AFSK give very good results; the choice of the mode is up you, and depends mainly on the radio you are using and the clogging of the frequency. Bye and Good RTTY to all!