Jim, That's like lifting up the radiator cap of a Chevy and slipping a Porsche under it!
On Nov 20, 2009, at 10:42 AM, JAMES HANLON wrote: > I have my original HRO-50, purchased new from Steinburgs in Cincinnati in the > summer of 1950 (thanks, Dad!). It's had a few mods over the years, like a > pair of mechanical filters and a tee-notch, a product detector and audio > derived avc, saturated reactor filament regulation for the local oscillator, > mixer, and bfo, a noise limiter ala the NC-303, and a calibrator that gives > me markers at 100 kc, 50 kc, 25 kc, or 10 kc. I also put a muffin exhaust > fan on the back that materially reduced the warm-up drift. It's still my > favorite, go-to receiver. > Carl Yaffey K8NU Banjo, guitar, bass, mandolin, dobro lessons. Pro Tools recording studio. [email protected] 614 268 6353, Columbus OH http://www.carl-yaffey.com http://www.grassahol.com ______________________________________________________________ Our Main Website: http://www.amfone.net AMRadio mailing list Searchable Archives: http://www.mail-archive.com/[email protected]/ List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Post: [email protected] To unsubscribe, send an email to [email protected] with the word unsubscribe in the message body. This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
