2019年4月30日 · RTFM, i watched i video posted here on qrz last week featuring Joe Taylor ,giving a talk to his local radio club, his comments about FT4 near the end of the film, persuaded me to give it a go,i do already know one of the pre release beta testers who said it is fast, so according to the suggestions in the in the manual for 2.1.0 rc5 , i installed it in a separate hard drive location,as i built ...

2019年4月23日 · FT4 message formats are the same as those in FT8 and encoded with the same (174,91) low-density parity check code. Transmissions last for 4.48 s, compared to 12.64 s for FT8. Modulation uses 4-tone frequency-shift keying at approximately 23.4 baud, with tones separated by the baud rate.

2019年5月6日 · Not only this, but give other developers some time to catch up. Some people are already hounding the JTAlert and JTDX developers. They had no advanced access to the FT4 code, and even if they had, K1JT asks that others wait for the final version, a sensible request. You contacts are not going anywhere. Go take a tranquilizer and relax.

2019年4月23日 · Actually, FT4 allows the operator the OPTION to select or not select the "auto" function. Manual QSO selection can still be controlled by "double clicking" on a decoded callsign. "One new on-screen control is available for FT4 operation, a button labeled Best S+P, just below the Call 1st checkbox.

2019年12月6日 · Thus the RFzero is now able to transmit PC-less FT4 free text or hex messages and JS8 heartbeat message from kHz to GHz. The RFzero is a multi-purpose GPS controlled RF unit. It can be used as a beacon (IBP, SPB, CW, FT4, FT8, JS8, JT9, PI4, WSPR, …), signal generator, VFO, QO-100 dual LO, low cost GPSDO, e.g. for 10 MHz, or …

2019年4月24日 · Quote from PDF "Early release candidates of WSJT-X 2.1.0 enabled us to explore the advisability of making FT4 an asynchronous mode with no fixed start times for T/R intervals. These tests served to highlight the significant advantages of using time …

2019年7月27日 · FT4 contests announced The RSGB Contest Committee have announced a series of contests using the new digital mode FT4 There will be a series of three short duration events on 80m (dial frequency 3575 kHz USB) to allow entrants to experience this new mode.

2021年8月3日 · FT4 and FT8 are operationally similar but use T/R cycles only 7.5 and 15 seconds long, respectively. MSK144 is designed for Meteor Scatter on the VHF bands. These modes offer enhanced message formats with support for nonstandard call signs and some popular contests. (The MSK in MSK144 stands for, Multiple Frequency Shift Keying.)

2021年8月5日 · I chose the FT-991A due to C4FM being common locally and experience with other Yaesu Rigs. Do like the USB connection for digital modes but it does take a bit of work to get everything set correctly for FT4/8, etc. I did want the Fusion on VHF/UHF and this did it.

2024年8月27日 · Personas que piden FT4: no usaremos FT4. Consideramos que es una pérdida de tiempo trabajar de nuevo en FT4 con las mismas estaciones que ya hemos trabajado en FT8. Creemos que, en cambio, es mejor invertir cada precioso minuto en trabajar NUEVAS ESTACIONES en SSB, CW y FT8. RTTY: Escuchamos la solicitud de estar activos en RTTY.