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When I got my sb-220 It had been arcing on the previous owner.
What was required on my unit was a thorough cleaning of the tune capacitor with a jeweler's file where the plates had melted and swollen from the arcing.
I took advantage of my day off and made my first few contacts on sstv at 27.700 using a makeshift interface on my Galaxy dx 2517. France was coming in pretty good this morning.
Your carl built Is biased I would be willing to bet. I have noticed this issue with several 2879c biased amplifers. They like some antenna systems and not others.
Perhaps we should disable the swr protection and do a few tests. I often forget to switch my bench radio back to antenna that is where I run my Washington.
I have a sigma 5/8 venom up for about 3 years in the Oklahoma wind, good antennas. I imported a few and quite a few locals are running them in this area.
On the new President Washington the 2 Irf 520 finals run at 19 volts and are capable of 100 watts clean on the spectrum analyzer.
Were there ever any BI-polar transistor in the same package that were capable of this?
The next project will be a tx rx interface for my old Dx 2517 at the house.
I am also looking to try js8call digital mode when I get everything set up.
Signalink usb would probably be the simplest solution but I think I can use this device available for much less at...
27.700 usb international
also 27.660 Europe and 27.680 north America. I have a big noise floor here at work so I am excited to try it at home this weekend.
I have been doing some research in to slow scan tv ever since a friend told me about activity on 11 meters at the Queen Wilhemena ham fest earlier this month.
Today I made a simple 3.5mm to 3.5mm audio cable and plugged it in to the Ic-7300's headphone port, the other end plugs into the...
That DIrland looks just like the superstar 121 I have in the wife's car, with npc-rc and a ranger echo board that thing makes a good little bull hauler radio.
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