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How to build 60 + 80 Amp Bifilar's... the easy way !
Gents A few years back... after consulting with John Lyles about my idea, I decided to try it... it works ! Nothing really new here... but thought I'd pass along this info... since you will never see
By pentalab <jim.thomson@...> · #288 ·
Re: 4 Tube 811 Amplifier.
I guess i need 8 resistors? but, how about the voltage drop over the resistors? or should the resistors be so small that I don't need to worry about that? Since i have about 75 ohm input impedance, do
By la3pna <snknutse@...> · #287 ·
RF PARTS .........TUBE SALE
Just in case anybody is interested.... RF Parts has a sale on MANY of their tubes.... both triodes... + tetrodes. eg- Svetlana 3CX-3000A7 $695.00 Svetlana 3CX-6000A7 $855.00 [reg $975.00] ! Of course
By pentalab <jim.thomson@...> · #285 ·
Re: Svetlana's website ???
The actual link is: <http://www.svetlana-tubes.com> 73, Tony W4ZT Frank Goenninger wrote:
By Tony King - W4ZT <w4zt-060920@...> · #284 ·
Re: Svetlana's website ???
Hi Mike and all: Am 29.09.2006 um 20:04 schrieb Mike(W5UC) & Kathy(K5MWH): Wow ! Thanks for the pointer! Using the Mac OS X built-in PDF creator I made a PDF and uploaded it to the files section of
By Frank Goenninger <frgo@...> · #283 ·
Re: Svetlana's website ???
Good Afternoon All: One of the folks on the Topband reflector sent me some info and I was able to retrieve the information. The following is how I did it. Thanks to all who were working on it. There
By Mike&#92;(W5UC&#92;) & Kathy&#92;(K5MWH&#92;) <w5uc@...> · #282 ·
Re: Water Cooling A GS-35
Duh! -John, N9RF
By jmltinc · #289 ·
Re: Svetlana's website ???
Am 29.09.2006 um 19:09 schrieb Tony King - W4ZT: ??? How did achieve that? For me the query for the host www.svetlana.com itself does not work (using low level tools like nslookup [name service
By Frank Goenninger <frgo@...> · #281 ·
Re: Passed 100 total members
### Now at 104 member's..... I'd say vehemently.... that Rich, and anybody else who has ever either.. been booted off 'amps'.... or had their posts trashed... or edited.....or deleted.... has finally
By pentalab <jim.thomson@...> · #280 ·
Re: Svetlana's website ???
pentalab wrote: <snip> I had this same problem... it insisted that since I was in the USA there was nothing there for me. That was using my favorite browser, Firefox. I opened the dreaded Internet
By Tony King - W4ZT <w4zt-060920@...> · #279 ·
Re: Svetlana's website ???
Kathy&#92;(K5MWH&#92;)" <w5uc@...> wrote: ### I can't get into Svetlana's site either..... have not been able to.... for a couple of yrs at least. I printed out some of their stuff but not what u
By pentalab <jim.thomson@...> · #278 ·
Re: Passed 100 total members
Bob -- It would be interesting to compare this with the AMPS total, but that information has been kept secret ever since someone who got booted off of AMPS by the moderator/censor, downloaded the
By R L Measures · #277 ·
Passed 100 total members
Passed the 100 total members mark this week. de KR4DA Bob
By kr4da <kr4da@...> · #276 ·
HA-10 Conversion
Good Evening All: I am looking for information about converting the HA-10 Warrior for 160 meters. There is a Svetlana page with the info on it but I am told that we in the US are presently unable to
By Mike&#92;(W5UC&#92;) & Kathy&#92;(K5MWH&#92;) <w5uc@...> · #275 ·
Re: Water Cooling A GS-35
Silicone rubber is used to insulate HV wiring.
By R L Measures · #274 ·
Bird 5000H element resistor value?
I'm repairing a Bird 5000H element (2-30 MHz 5 KW) and the resistor in the slug appears to be wrong. What is the nominal resistor value for this element? TIA
By k8cu · #272 ·
Re: Water Cooling A GS-35
Does this mean there is no problem with routing the silicone cooling lines out of the HV end of the line? -John, N9RF
By jmltinc · #273 ·
Re: Calculating Grid dissipation revisted
060920@...> wrote: in a doubler. A doubler's caps only gets charged 60 x per opposite half cycles so half the stack is always being charged. ### A FWDoubler is nothing more than two 1/2 wave
By pentalab <jim.thomson@...> · #271 ·
Re: Calculating Grid dissipation revisted
pentalab wrote: <snip> <snip> true, but in the FWD, each half of the stack is charged on opposite half cycles so half the stack is always being charged. 73, Tony W4ZT
By Tony King - W4ZT <w4zt-060920@...> · #270 ·
Re: Calculating Grid dissipation revisted
wrote: #### I'd call that 1/3.... NOT 1/6th. What if I give a 5 min disertation? or some contester calss 'cq' for 3 mins straight? ### The big kicker is gonna be CW. Dashes are gonna be at least 3 x
By pentalab <jim.thomson@...> · #269 ·