Though the "R" was for "linear service"... Maybe more better IMD. Have some. Sent from my iPhone _______________________________________________ Amps mailing list Amps@contesting.com http://lists.con
Didn't some of the letters mean different filament volts. Sent from my iPhone _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman
Took awhile for my brain to spin up..... "Packard 440" http://enginebarn.myshopify.com/products/7mm-packard-440-spark-plug-wire https://www.brillman.com/store/configurable_product_detail/7mm-packard-
Group, this is for real, I'm looking for suggestions. TL922 amp, fairly good condition;when I key it full power for tuneup or CW, my little dog goes absolutely nuts. An LK500 amp doesn't bother the d
Hello Dave, See how far away the dog receives, then if its impressive have it send a QSL card. And from the "Towertalk" list, on finding true north, check one more data point.... http://news.discover
Have them make you one, after you sell your house. http://www.multi-tech-industries.com/rswitches.html Probably cheaper to find another Hunter..... _______________________________________________ Amp
Theres a chart in the manual for the Bird 43 that shows what change in reading is, outside the freq range of the slug Page 4-5. http://www.repeater-builder.com/test-equipment/bird/pdf/bird-43-wattmet
Page works on an iPhone and a nine year old iMac/Firefox. ?? The Bird is a tool. I had one with no gray paint left. It rolled around in bottom of five Ford Broncos, with used donuts and McDonald wrap
Just tried with a day 1, version 1 iPad. Works fine, copied to iBooks. Maybe you or your ISP have some funny spam or junk filter running and there is something in the file it doesn't like. Sent from
Go buy a big, empty hard drive and go here.... http://www.pmillett.com/tubebooks/technical_books_online.htm Mouse down to "Radio" 1930's, 40's 50's ARRL Handbooks, Pre Bill Orr "West Coast" handbooks
The QRP rig on page 644 of the 1959,"The Radio Handbook" (Orr) might be a start. Bill didn't mess around.... Called Eimac, one day, in the 70's, he answered the phone. Thanks. My wife is happy for th
Try this...... http://www.triadtransformers.com/tr6970.html Does anyone know what a Triad 69437 transformer specifications is? That number is on the top bell housing (along with the Triad logo) as we
Look up the specs for the tube(s).... 5 v at 14 amps. What primary do you want... Taps for 120/240? http://www.umich.edu/~umarc/station/docs/3-500z.pdf Sent from my iPad _____________________________
Some winter reading.... http://www.w8ji.com/qst_the_care_and_feeding_of_a_3-500zg_filament.htm Sent from my iPad _______________________________________________ Amps mailing list Amps@contesting.com
Back then, you keyed the cutoff bias of the amp. My Central Electronics 20A had -100 vdc out the back that followed the keying and did a full cutoff of the HB 4X250's with operating bias set for clas
Why not get on the classified sites and try for a trade. Think it would be better to have the factory marking. Let me know if you find an extra 1 kw or 2.5. __________________________________________
QST, November, 2009, page 50, has an article by K9SQ, on repair and calibration of Bird slug, with photos and part values. If you cant find it, I have a semi-poor PDF scan, if your email can play wit
800 mils of grid current. Why they sound so nice. Sent from my iPhone Ron, how do you get "legal limit ++" out of an L4B? I've owned several of them and get only 1200-1300W output, measured on accura
No need to meter Multi-Multi, one power supply. All the smoke will come out, one hour after start of contest. _______________________________________________ Amps mailing list Amps@contesting.com ht
???????????? Many Amps, Heath SB220, Many Henrys, filament voltage is supplied from a winding on the main transformer. Anything stuck on the primary will effect all voltages. _______________________