KCUR replaced our aging transmitter in December 2021 after a successful fundraising campaign. Thanks to that listener support, it's now time to replace the decades-old antenna, but that means the ...

We were surprised the little transmitter only managed about 20 watts out. A single 6146 should be able to get to 50 watts, but perhaps the final is worn out.

Voyager 1 relays messages to NASA’s mission control team after losing contact due to a technical issue. The aging spacecraft is relying on an old radio transmitter.

Voyager 1 is now using a radio transmitter it hasn’t relied on since 1981 to stay in contact with its team on Earth while engineers work to understand what went wrong.