JUMA Amateur Radio Forum

Hi Patrick It's amaging !! I have loaded V106b on my TX500 through PICKIT3. Would you please make hexa file for "Portable in Japan" which will eliminate MAX(60W) power. Thank you for in advance. Rick 7L1RLL PS. I successed to compile of v106a+limitation on max power and program to device u...

Hi Patrick, CC:Matti OH7SV I have released my experience on JUMA TX500 Modification as the following URL: The web-site is mainly written in Japanese, but special acknowledgement to both Patrick and Matti in the page. I would hope to get license on 472kHz band using JUMA TX500 in coming January. http...

Hi Patrick, Sorry, I forget to replay for your question. >I could add a power limitation setting in the configuration menu for a next TX500/136 version. >Would this setting be satisfactory with portable regulation in Japan ? Japanese Government requests to all equipments under 70cm band shall be les...

HI, Patrick,
Thanks so much for adding of power limitation for portable in Japan.
This regulation is common on 136kHz band in Japan.
It works well on my JUMA TX500.
73, Rick 7L1RLL

Patrick, Thank you for adding of DFCW on TX500. It works well on my JUMA TX500. We need to make limitation on RF-Power less than 50W for portable machine. It seems that the definition of RFPWR may be 2 instead 3 in juma_tx500.h for Japan. for an example: // other constants //#define MAX_RFPWR 3 // R...