Search found 2 matches

by JL1VNQ
16 Apr 2015 08:51
Forum: Juma Discussion
Topic: Firmware modification for JUMA TX-136/500
Replies: 2
Views: 7383

Re: Firmware modification for JUMA TX-136/500

Hi there,

I added a manual reset function of the internal clock.
This is useful when the GPS receiver module is not unconnected or satellite acquisition.

I will attach a detailed description and firmware file.

Please try.

73, HARU JL1VNQ
by JL1VNQ
31 Mar 2015 17:28
Forum: Juma Discussion
Topic: Firmware modification for JUMA TX-136/500
Replies: 2
Views: 7383

Firmware modification for JUMA TX-136/500

Hi there, In order to enable the transmission by modes other than CW, I added some changes the firmware for JUMA TX136/500. This modified firmware is based on the original firmware version 1.04, and is not Patrick's version. Added main features are as follows. 1) Multimode beacon transmission ...