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So many company's have customer service reps that do not have a clue.
They only know what is in the frequently asked questions screen in front of them.
73
Jeff
Southern California was a hotbed for amps back in the 70's.
This is some of the history more on the radio side.
https://www.rivud.com/clear-channel-corporation-people
73
Jeff
"Mission creep is usually considered undesirable due to how each success breeds more ambitious interventions until a final failure happens, stopping the intervention entirely."
Your correct, it's news, no issues with that.
As for radios.....
The thing is the rules are written to prevent...
If your lucky enough to live through several solar cycles you find that lots of other dx'ers have passed on by the time the next one rolls around.
Work them while you can.
73
Jeff
Just this month there was a blurb on KTLA about thieves using wireless jammers to disable security cameras and break into high end homes around LA.
Thievery is high tech today, there are guys boosting your wireless key fob signal out to the car, starting it up and driving away.
This is happening...
Yes. The 2sc2166 transistor is a driver transistor and the 2 × 2sc1969 are final transistors.
Mitsubishi no longer makes these.
Replacements can be found at:
https://www.icamanufacturing.com/shop/p/hg-2sc1969
Replace them as a pair.
73
Jeff
That's fine for output, it should live a long life at that level with a fan.
It has the variable on the front, leave it open and control drive with the radio.
Enough drive to get 200 on ssb and limit the carrier out of the amp to 60/70 on am.
They will do more but its a very safe level to run...
That is a schematic of a old Texas star bi lateral amp that used a mrf455 driver, that design went away a long time ago.
The one your friend has most likely has two Toshiba 2879's unless it was built later with DEI transistors.
See attached photos
The bias network is right behind the meter.
You...
From the link:
NBC News said it found nine independent sellers on Amazon recently selling "jammer" devices that can be used disable security cameras and block Wi-Fi networks.
Overpowered Laser pointers, cell phone jammers, Wi-Fi blockers are on that hit list I am sure.
I seriously doubt that...
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