开云体育

ctrl + shift + ? for shortcuts
© 2025 开云体育
Re: SB-1000
Great Post thankyou, I recently ordered a replacement tune cap for my sb-220 from RF Parts, should be here soon. I am wondering what the current Tariff situation will do to amp parts pricing, we will
By Adrian Fewster · #41157 ·
SB-1000
I own a Heathkit SB-1000. Have not had it to long, just a few months. Had a few issues and just wanted to share them and what I did to fix them. one day on 80M I think I hit a bad something. Bad tune
By KG2RG · #41156 ·
Re: Commander HF-2500 meter lamps and HV PS
Jim, VE7RF, that is a boatload of FB info!!! I had not had a chance to respond but have read it twice and may need to read it a few more times and drill it in. Thank you!!! Great contribution to me
By KG2RG · #41155 ·
AL-80A tx led removal
Is there a way to remove the red tx led without taking off the front panel?? I cannot see in the back because of the large filter caps.? TU ..Bill
By Bill K3HZP · #41154 ·
Re: CTR Engineering/W8JI Response?
Tom is great. Just email him again
By KG2RG · #41153 ·
Re: Commander HF-2500 meter lamps and HV PS
Yeah. Weird. It printed out fine here. "Email me at gudguyham@.... Lou" Alek VK6APK
By Alek Petkovic · #41152 ·
Re: Commander HF-2500 meter lamps and HV PS
Ok, thanks. I just emailed you Lou
By KG2RG · #41151 ·
Re: Commander HF-2500 meter lamps and HV PS
Whoops @aol.com. Sorry Sent from the all new AOL app for iOS
By Louis Parascondola · #41150 ·
Re: Commander HF-2500 meter lamps and HV PS
Come to think of it... if your ISP won't display A O L dot com, then it may not even allow you to e-mail to A O L dot com. -- See my QRZ.com page at *https://www.qrz.com/db/K0XP*
By Steve · #41149 ·
Re: Commander HF-2500 meter lamps and HV PS
"That" was supposed to be "at A O L dot com" without the spaces. Your ISP probly doesn't like the A O L part and removed it. Steve K0XP -- See my QRZ.com page at *https://www.qrz.com/db/K0XP*
By Steve · #41148 ·
Re: Commander HF-2500 meter lamps and HV PS
gudguyham@.... Lou. what is that??? ? Not an email?
By KG2RG · #41147 ·
Re: Commander HF-2500 meter lamps and HV PS
Email me at gudguyham@.... Lou Sent from the all new AOL app for iOS
By Louis Parascondola · #41146 ·
Re: Commander HF-2500 meter lamps and HV PS
Plate load Z? =? loaded B+ / (1.8 x? DC plate current). On all those old amps, the higher voltage was always 41.4 % higher than the lower B+ setting.? ?The DC plate current was 41.4%? higher,
By Jim VE7RF · #41145 ·
Re: Building HF Amp
Hello Lawrence. I understand your "old-school" project. My Radio Amateur's Handbook, the only one I have, is from 1965. I bought it in London when I was a kid. It really inspired me. You
By Fran?ois · #41144 ·
Re: Building HF Amp
Francois,Yes, the 3B28's and a resonant choke filter makes things complicated.? The HV power supplies as far back as the '66 Handbook use silicon diodes in a voltage doubler, capacitor input filter,
By Lawrence A Lobdell Jr · #41142 ·
Re: Commander HF 2500 meter bulbs
I think I want to mount an ?LED strip right across the top of the meters and wire it to the 12V rail on the meter board and ground. But what I really would like to do is run 2 LED strips, 1 red and 1
By KG2RG · #41141 ·
Re: Commander HF 2500 meter bulbs
On my SB-220, I have a standby switch and I have the plate meter lamp turned off in standby and turns back on in operate. I wonder if there is a ways to put 2 sets of strips, 1 green and one red.
By KG2RG · #41140 ·
Re: Commander HF-2500 meter lamps and HV PS
Lou, can you email me. I’m interested in one of those boards for a future fun project. My Email is good on QRZ. I’ll also try and see if I can private message you here. Not sure how that works but
By KG2RG · #41139 ·
Re: Commander HF-2500 meter lamps and HV PS
Yes I still have a couple 2500 power supplies. Sent from the all new AOL app for iOS
By Louis Parascondola · #41138 ·
Re: Commander HF-2500 meter lamps and HV PS
Thank you Bill Sent from the all new AOL app for iOS
By Louis Parascondola · #41137 ·