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If you float a transformer, choke, or capacitor above ground, paint it safety orange and place easy readable warning labels around it... or build a shorting bar to take the frame to ground when a

Glastics arrived ! Bigger than I thought. 1.75" Diameter....and 2.25" tall. Things of beauty. 3/8" NC embedded steel threads on each end. Got the matched pair of 3/4" plywood

Problem solved. Toll-free sent me 4 x glastics, aprx 2" tall x 1.5" diam, with 3/8" steel embedded threads at each end. Choke is 13" long x 6" wide. 4 x (1/4-20) Oem

I'm going to stack 2 x identical sheets of 3/4" plywood together in the new 24" rack. The 127 lb Dahl 4H choke will sit dead center on the plywood. Is run of the mill paint

All the files And photos will be gone forever on dec 14. Dino, the files and photos need to be migrated...asap. Jim VE7RF

Yahoo wants your data for free. I don't think so. Don W4DNR Quoting "jim.thom@... [ham_amplifiers]" <ham_amplifiers@...>:

scroll to very top. sad news. time to migrate to groups.io and fast. Jim VE7RF

Good Morning, I have something for you. Please see attached and confirm. ZIP code: 123456 zip pass 777 Sent: Mon, 19 Oct 2015 22:02:35 +0000 To: ham_amplifiers@... Subject:

I am a long time owner of a WaveNode WN-2 Wattmeter. A month or so ago, as I was moving my equipment into the new shack that I am building, I installed the WN-2 and realised that it was not doing what

Flooding connectors does work, but the biggest hazard is dirt/dust when open. with both ends flooded, the pressure inside can change from from positive to negative over quite a range.and this can draw

I fill all the air voids with DC-4. Twenty years and no water intrusion on a combination of connectors ranging from low band 259s to a UHF array With "N" connectors. I'm either very lucky or it's

I buy....'dielectric grease' from local auto parts store. Use sparingly on pin of coax plugs..and shield threads. Wipe off any excess. Don't use it to fill air voids, like on type N

Thanks Roger. My "Stuf" will be arriving in the post today (Monday). See http://crossdevices.com/cross_devices_website2018_011.htm I bought 5 tubes of it from RF Parts. Other places were cheaper

I use Dow Corning's (Now just Dow Chemical? ... Following merger and buyout)? DC4 dielectric compound.? It is a Silicone grease developed in WWII to seal spark plugs on B17s to prevent arcing at

I have worked on numerous 2100Z amps including some converted to 6M and have had not needed any special mods other than to the bias supply for Svetlana tubes. I have looked at his mostly off the wall

Very interesting Sam. Thanks for that info. Cheers, Alek.

Thanks Lou. Yes, with every amp that passes through here, particularly the Yaesu and Ameritron models, the first thing I do is get the filament volts down from 6.8v or 6.9V, to as close as possible

Alek, I’d?check and see what Tom W8JI recommends at his web page for those amps. ?I’d also consider if any of the rest of the mods are a good idea as well. ?I know some are ok but some are also

Hi I have done an amp that had suffered multiple oscillations on 10 meters and damaged the bandswitch. The grounding of VC1 was done according to the article and that cured the oscillation. Amp was

GN, I've made some mods to 2100B, 2100Z, etc., several. I have never made that specific mod, all amps worked fine and stable. What I usually do is to add extra decoupling caps in plate choke