![]() ![]() FLAMP is a program for AMP or Amateur Multicast Protocol. When DTR is asserted, the relay contacts close and the radio is in transmit mode. Notice: This version of FLAMP is not compatible with version 1.x.x. In fldigi, if I drop the cursor at 500hz in the waterfall and set my audio level to get the radio's output power to 30W, then drop the cursor at say 2500hz, the power output will be far greater than 30W. Operating on 20M, I tune my radio to 14.070 and have it set to USB. The interface is designed to use the signal DTR (pin 4) to drive the relay. I'm running fldigi with a SignaLink USB into an IC-718. Unlike the JT/FT digital modesmodes that do an incredible job. For example, FLDigi allows you to operate using the Olivia digital mode. The item Icom IC-7300 Digital SDR HF/Six Meter Ham Transceiver Excellent. The display is signal magnitude in dB versus frequency. Icom IC-7300 Review 5 Cool Things You Can Do With An RTL SDR Receiver. The viewed frequency range is constrained to 0 to 4000 Hertz. The respective FFT's then can display values up to 1/2 of the sample rate. The efficiency of the various digital modes varies between modes and I have found that jt65 is more efficient than jt9 wrt tx range milliwatt power levels which seems odd because I have read that jt9 is supposed to be more efficient. FLdigi uses the RS232 signals DTR or RTS to control the key-line, PTT, transmit enable signal. FLDigi is a software control and modem suite that interfaces with your transceiver, your computer sound card, and other input/output interfaces so that you can receive and transmit one of many digital modes. The fldigi modems use a sampling rate of 8000, 11025, 1200 samples per second. Not a big issue unless you are into milliwatting with the digital modes which can be quite fun and interesting to see your station"s results on psk reporter QRPp levels of tx power. If you are relying solely on vox to transmit your flex, those same low audio tx levels may not be sufficient to trip the vox. It is nice to have the PTT feature (via either software or hardware) because at very low audio tx levels as selected by the tx slider in the dax control window your flex will still transit via PTT. On the fldigi rig cat tab select that same file so fldigi buttons can now control your flex.Įven w/o doing the above, your flex should transmit via the vox as long as the computer generated tones are being sent to dax audio tx 1. For CAT control of your flex download smart sdr slice A from Īnd place it into a file or just leave it in your download section. WRT PTT I use cat/soundcard enabled PTT which you can enable via the fldigi "rig cat" tab. ![]()
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