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Re: what has happened to Juma Kits

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 ...
by ok1rp
21 May 2014 20:32
 
Forum: Juma Discussion
Topic: what has happened to Juma Kits
Replies: 3
Views: 3608

Re: RX1 bands coverage

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...
by ok1rp
03 May 2013 06:47
 
Forum: Juma Discussion
Topic: RX1 bands coverage
Replies: 5
Views: 7781

Re: ESD mats portable set for safe soldering

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...
by ok1rp
13 Sep 2012 14:47
 
Forum: Juma Discussion
Topic: ESD mats portable set for safe soldering
Replies: 5
Views: 6061

Re: ESD mats portable set for safe soldering

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...
by ok1rp
27 Aug 2012 15:50
 
Forum: Juma Discussion
Topic: ESD mats portable set for safe soldering
Replies: 5
Views: 6061

ESD mats portable set for safe soldering

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...
by ok1rp
08 Aug 2012 10:38
 
Forum: Juma Discussion
Topic: ESD mats portable set for safe soldering
Replies: 5
Views: 6061

RX1 bands coverage

Hello,

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

73 - Petr, OK1RP
by ok1rp
22 Mar 2012 22:38
 
Forum: Juma Discussion
Topic: RX1 bands coverage
Replies: 5
Views: 7781
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