JUMA Amateur Radio Forum

Hi Matti, it is great news that your Juma PA1000 is still in production and fully supported as it is one of the best and compact amplifier on the market. Unfortunately never been implemented full PIN diodes QSK... PA1000 is using a quite high speed SMD relay for T/R switching. The max operate time i...

Hi all As we can see the Juma with an interresting modern topology radio is dead already. So there is chance for another developers and designers on the market. This coming new CW/SSB all HF bands transceiver is surprisingly the “golden classic” architecture of 9MHz IF superhet with good filterred f...

Probably nobody wants to share it ...or nobody is using it in QSK setup but I can not believe to it
Petr

Nobody to share?

Hi folks,
Is there some PA-1000 user who can share his experiences with QSK on this amp?
How noisy, how fast, how it work at higher CW speed, how about incorporation with i.e. K3 on CW etc. ?
Many thanks,
Petr, OK1RP

Hi,
unfortunately I do not expect any kind of reply from them.
Sorry to say, they do not care any more and Juma is dead.
73 - Petr, OK1RP

Hello, as checked after several months there is still nothing to buy on Juma e-shop... It happen for years and even although there were several promises > nothing changed. No transceivers, no amps, no receivers... simply nothing except 136kHz kit and some accessories. I tried to offer my help to Jum...

Hi Matti,

thank you. So is it possible to use it in full and smooth QSK mode operation driven by PTT from Elecraft K3 for example please?

Thanks for reply.

73 - Petr, OK1RP

Hi all,

just FYI.
All Jumas are gone except TRX1 assembled and working. It is still available please.
73 - Petr, OK1RP

Hi all, as I do not like the "incommunicado" suppliers and Juma forum is dead also I changed the plans to purchase the PA1000 as another Juma stuff and in contrary I decided to sale all of my Jumas. I have available for sale: TRX1 - I bought it assembled and working. I planned to rebuildin...