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Re: T41 Hilbert Filter Design
My software ( GitHub ( https://github.com/tmr4/T41_SDR ) ) is for v11.? I did send Al a little blurb about my build.? I'm currently building the v12 and slowly modifying my software for the hardware
By Terrance Robertson, KN6ZDE · #33982 ·
New T41 Site Available
Hi Everyone, I have created, with Jack's help, a new site all about the T41-EP at: https://t41sdrtransceiver.wordpress.com This is an 'information and background site" for the T41, not an open forum -
By Albert Peter · #33981 ·
Re: T41 Books for sale - signed copies Latest version
OK, Will do. Al
By Albert Peter · #33980 ·
Re: Digital Mod FT8
Very nice! Have you made the code available to the group? Jack, W8TEE
By jjpurdum · #33979 ·
T41 from AI6YM
Hi everyone. We have a radio club where I work.? Last year we purchased a T41 kit from AI6YM.? I understand it have v50.2 firmware on it.? When trying to follow the Receive IQ calibration, from the
By Duane B · #33978 ·
Re: T41 Books for sale - signed copies Latest version
Bill and Al Thanks very much for the replies. I'll get it from amazon.co.uk, though I see they're still listing the old edition as well as the new one. Luckily I was signed up to this group when all
By G0GNL · #33977 ·
Re: Digital Mod FT8
I've noticed that my radio sets its time automatically after a few minutes if I have the USB cable plugged in. I have not yet found the code that makes this happen, but I'll get there eventually.
By Oliver KI3P · #33976 ·
Re: Help: Audio is pumping on bands 17 and 15.
Oliver, morning. Yes, that has fixed the audio pumping. Thanks. Roger G8JWT
By bty84827531 · #33975 ·
Re: Digital Mod FT8
It can but it takes up a lot of memory.? Here's mine decoding.
By Terrance Robertson, KN6ZDE · #33974 ·
Digital Mod FT8
Could the FT8 mode also be integrated into the T41? It would also be nice if there was a way to set the time. Best regards, Wolfgang
By WF.Fiebig@... · #33973 ·
Re: Help: Audio is pumping on bands 17 and 15.
Yes, that was my mistake. I removed the shutdown routine. The pumping is gone. // Uncomment the line below if your mainboard is populated with / // the ATTiny shutdown routine activation hardware
By WF.Fiebig@... · #33972 ·
Re: T41 Books for sale - signed copies Latest version
NA that was "cheapest rate" ship. I cannot for the life of me why shipping went thru the roof recently. There is no reason for it unless the carriers just don't want the harder business/ want to stick
By K9HZ · #33971 ·
Re: Help: Audio is pumping on bands 17 and 15.
Well, I think 3 seconds is ok... keeps you from pressing the button twice accidently and having the radio come right back on... You could probably cut it to 1 second though... Dr. William J. Schmidt -
By K9HZ · #33970 ·
Re: Help: Audio is pumping on bands 17 and 15.
Correct... but NOT if the ATTINY is missing but the config thinks it is!!! Dr. William J. Schmidt - K9HZ J62K(J68HZ) 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch ¨C
By K9HZ · #33969 ·
Re: LPF question
If you will eventually use the 100W PA¡­ yes you want 200V caps! Here is a simpleton approach (there is way more to this, but just for reason): P=IE, E=IR, so P=E^2/R ¡­ so E = SQRT (P * R)¡­ if
By K9HZ · #33968 ·
Re: T41 Hilbert Filter Design
Hey Terrance¡­ you put together a really special variation of the T41 V12¡­ the Beacon receiver¡­ and the remote screen. Make sure Al gets those into his pages too! Dr. William J. Schmidt - K9HZ
By K9HZ · #33967 ·
Re: JLCPCB Price Increase
It¡¯s great Glenn. No complaints here at all in VK land. Regards Phil VK2KKZ
By Phil Taylor · #33966 ·
Re: Help: Audio is pumping on bands 17 and 15.
I've pushed a bug fix to the Ver66-9 github repo to get rid of the audio artifact on shutdown. Does this fix your problem when you enable MAIN_BOARD_ATTINY_SHUTDOWN?
By Oliver KI3P · #33965 ·
Re: T41 Books for sale - signed copies Latest version
*** Was that through Pirate Ship? - Jerry, KF6VB
By jerry-KF6VB · #33964 ·
Re: T41 Books for sale - All gone!
I am down to just one book, so I will probably cut off the offer at this time. Sorry anyone missed out. Thanks very much to those who replied. Regards, Al AC8GY
By Albert Peter · #33963 ·