JUMA Amateur Radio Forum

Adrian, many thanks for latest f/w revision for TRX-1 transceiver. I will be really happy to test it immediatelly when radio will arrive over here for our kids radioclub. Its really kind help for all of us Adrian. If You will need any kind of help or even beta-testing for TRX-1 then do not hesitate ...

Hi all,

upon few email requests I am posting over here that mentioned ESD mat sets are still available (in few pcs).
Do not hesitate to email me if You need them for safe Juma kits building/soldering.

73 - Petr, OK1RP

Hi all,

is there any new s/w revision for our RX1 please?

73 - Petr, OK1RP

Hi,

it is illegal copy from China where the IP has been stolen!
Nobody should buy this Chinesse crapy and nobody should support these illegals from Asia...

We should support Juma guys in Finland by purchasing the genuie products from Finland.

Good luck,

73 - Petr, OK1RP

Terve Yrjo, congrats to your an excellent job with re-starting the Juma kits again. I am friend and enthusiasts of the Juma kits from the beginning... I always supported the Juma guys as same as their products worldwide. I hate the illegal copies from China and I started locally the campain against ...

Hi Robert Thank You for very useful info. You are doing great job i think. I am cw only op also so i like the Cw filters in the kits. You can also try the Nescaf filter available on New England Club. It works like champ. Ok so it seems that easiest way to extend the range is to use new dds module in...

ESD mat surface resistivity... Hello all, thank You very much again for another few off-list emails regarding the ESD mat surface resistivity. In fact I did not measured surface resistivity of this R2 Ultra ESD mat for the first time because I had not any appropriate probes available to make serious...

Hello, thank You for off-list emails regarding the ESD theory and usage in the field. I decided to share most important... Yes, both coiled wires has 1MOhms resistors included so no additional grounding point with resistor needed to limit the current thru body! It is ready to use without any additio...

Hi all, I have to say that I am very satisfied with my Juma RX1 receiver. For its simplicity the performance is great and it comes to be my favourable toy. After bad experiences with electronic parts soldering I decided to solve my ESD protection in the kitchen "lab" a bit better... I woul...

Hello,

is there somebody who tried to extend the bands coverage of RX1 please?

73 - Petr, OK1RP