I think the term predates computers, but I have heard the story. https://www.atlasobscura.com/places/grace-hoppers-bug
73 de Dick, K6KR > On Nov 7, 2020, at 10:53, James Driskell <[email protected]> wrote: > > The first bugs in the old large 1st generation computers were actually > insects (bugs) that were raising havoc with the insulation. Hence, "bugs" > has become our favorite term! > > 73, > > Jim, W7OWI > > ________________________________ > From: [email protected] <[email protected]> on > behalf of Andy Durbin <[email protected]> > Sent: Saturday, November 7, 2020 07:50 > To: [email protected] <[email protected]> > Subject: [Elecraft] Tuner bug > > My top band antenna is an OCF wire running round my back yard wall at about 5 > ft above ground. It has been through a number of iterations to make it > tunable on 160 and to handle 500 W. > > 500 W capability was achieved with a home brew feed point L match consisting > of a large air-spaced variable capacitor and an inductor wound on PVC pipe. > It worked fine until the small hours of Saturday morning when the SWR jumped > to a really high value and tripped my KPA500 reflected power monitor. Some > quick tests showed it worked fine up to about 200 W but anything over that > gave an instant transition from low SWR to very high SWR. All easily seen in > my station controller's data log. It seemed likely there was an insulation > breakdown somewhere, but where? > > Careful inspection of the air-spaced variable revealed a small bug between > the plates. It was carefully extracted and viewed under the microscope. It > was well charred! > > Quick check on 160 m and the antenna will handle 500 W again. Now ready to > try for a few missing states in ARRL Sweep Stakes. > > Not all bugs are neatly categorized as either hardware or software. > > 73, > Andy, k3wyc > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
