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Re: Custom replacement meter
Thanks for sharing the meter info Floyd. The solution you came up with looks great. I have been trying to determine what to do about the meter in my Challenger. It works but a nice meter in there
By W0PWE · #454 ·
Re: Custom replacement meter
On Thu, Apr 17, 2025 at 11:51 AM, Steve Bookout, NR4M wrote: > > I second the endorsement for the Tonno meter software. > Super flexible to use. > When I built my last homebrew amp, I came up with
By Floyd - K8AC · #453 ·
Re: Custom replacement meter
Here's the one I used: https://www.amazon.com/dp/B07MSBN4LP?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1 There are many others, slightly more expensive, listed on Amazon.? I've bought a few of these
By Floyd - K8AC · #452 ·
Re: Custom replacement meter
Tom - correct on all counts.? I changed the shunt resistor from 33 to 1 ohm, 1% and used a 5k pot in series with the meter to calibrate the meter.? That pot is not in series with the meter when the
By Floyd - K8AC · #451 ·
Re: Custom replacement meter
What is the mV of the meter? Let's assume it is the 75 mV 10 mA meter on Amazon. To read 250mA FS at 10mA the meter shunt of a 75mV meter has to be .3125 ohms. It is 33 ohms now. You are going to
By Tom W8JI · #450 ·
Re: Custom replacement meter
I second the endorsement for the Tonno meter software. Super flexible to use. When I built my last homebrew amp, I came up with some great looking meter faces. I even added a ¡®goat¡¯ logo down in
By Steve Bookout, NR4M · #449 ·
Re: Custom replacement meter
Which meter on Amazon? Jerry NY2KW [email protected]> wrote:
By jsternmd · #448 ·
Custom replacement meter
While restoring a recently acquired Johnson Navigator transmitter, I was surprised at the very low quality of the stock meter.? It was completely undamped and of questionable accuracy.? I picked up
By Floyd - K8AC · #447 ·
Re: Mystery Wire in Valiant Wiring Harness
Sorry Dave. Can¡¯t keep all my cousins straight! Mike
By Mike Harmon · #446 ·
Re: Mystery Wire in Valiant Wiring Harness
Correction....I am not Gary Harmon....I am Dave Harmon.....hahahah Glad to help out with the pictures Larry...uhh...kaff kaff...Mike!! Dave Harmon K6XYZ Sperry, OK.
By David Harmon · #445 ·
Re: Mystery Wire in Valiant Wiring Harness
Hi Donald, I spent a lot of hours tracing the wire numbers in the harness description page and finally figured it out. The ¡°mystery¡± blue wire was intended to be there all along. I guess
By Mike Harmon · #444 ·
Re: ef johnson scorpion vhf 5953a
Jesse . . . <jessadr1953@...> wrote: Is the radio intended for amateur radio? If not, since this group is for amateur radio, those who have this radio may not be members of this
By Donald Hellen · #442 ·
Re: Mystery Wire in Valiant Wiring Harness
Or maybe the drawing is a revised one and your model doesn't have the revision installed? Donald KX8K ---------------------------------------------------- Some ham radio groups you may be
By Donald Hellen · #441 ·
FS: Viking 500
FS: Viking 500 Beautiful Condition. $3500 OBO local pickup in Westchester County, NY My loss is your gain. time to downsize. It was completely restored about 10 years ago, including
By jsternmd · #440 ·
Re: Johnson knob pointer source
I've been using these for a few years. They are a great replacement for the white pointers. Russ KW6T
By Russ Williams · #439 ·
Re: Johnson knob pointer source
Thanks for the info ¨C I just ordered 10 from Amazon !! Mike / K5MGR _____________________________________ Mike Langner 929 Alameda Road NW Albuquerque, NM 87114-1901 (505) 898-3212 home/home
By Mike Langner · #437 ·
Johnson knob pointer source
I recently purchased some Deutsch Sealing Plugs from Newark.com to use as pointers that were missing from knobs on my Ranger and Navigator transmitters.? I see that the plugs are now available from
By Floyd - K8AC · #436 ·
Need Ranger/Navigator knob
I'm in need of one of the Buffer or Final tuning knobs with the 0-100 scale for the Ranger or Navigator.? Anyone have a spare they'd part with? 73, Floyd - K8AC
By Floyd - K8AC · #435 ·
Re: Mystery Wire in Valiant Wiring Harness
Alright Mike!!! Yep...as soon as you brought this up and I looked at the assy manual wiring and compared that to my 61' mfgd factory wired Valiant..... I knew that you had found an assembly
By David Harmon · #434 ·
Re: Mystery Wire in Valiant Wiring Harness
Hi Dave, The 4th lug from the front panel?on TS25 is actually lug 3 (numbering starts from the end nearest the 5V4 (XV20).? I built my harness from the schematic in the Operating Manual since my
By Mike Harmon · #433 ·