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Re: Through calibration #calibration
Hi John, You mean the "worlds' largest sandbar"? Yeah, lived there too Jacksonville and Milton (near the race track) How about this: Small Fahnestock Clip Fahnestock clip top viewFahnestock clip top
By Mike C. · #31808 ·
Re: alligator clips
Yes, they are used to clip their toenails. The Frankenstock guys were too hard to remember so they narrowed the snoot and called them gators and for the most part they held better..... IMO. John
By KK4ITX John · #31807 ·
alligator clips
Are they used to clip alligators? :) (Thou shalt not take thyself too seriously!)
By Charles Young · #31806 ·
Re: Through calibration #calibration
I have lived in Florida for 20+ years....... believe me they are ALLIGATOR CLIPS if I ever saw one ! John KK4ITX Visit: www.zaarc.org. ?
By KK4ITX John · #31805 ·
Re: Through calibration #calibration
You mean one like this: https://brillman.com/product/small-fahnestock-clip/?gclid=EAIaIQobChMIvYq0ierX_QIVbRXUAR2hsQ09EAQYBSABEgKQtPD_BwE Small Fahnestock Clip Fahnestock clip top viewFahnestock clip
By Mike C. · #31804 ·
Re: Through calibration #calibration
Once you get above a few MHz. you have to be careful when measuring capacitors, inductors and baluns if you want meaningful results. Stray inductance and capacitance can make a big difference and you
By Roger Need · #31803 ·
Re: bALUN Common mode reject Z measurement
Well put! Yes, we've traveled into the gravitational warp of a neutron star. Dave - W?LEV -- Dave - W?LEV
By W0LEV · #31802 ·
Re: Through calibration #calibration
No longer exist? https://www.google.com/search?q=Fahnestock+clips
By vh2 · #31801 ·
Re: Through calibration #calibration
We have gone down the rabbit hole. Fahnstock clips no longer exist, and effectively never existed! :-)
By Don Rolph · #31800 ·
Re: bALUN Common mode reject Z measurement
I¡¯d say from the way the group io acted up, we¡¯ve hit a point of local resonance and have driven the web j to the left hand plane of the Bode plot! ?
By AG6CX · #31799 ·
Re: Through calibration #calibration
Can we go back to Fahnestock clips? :-\ 73, Gary - W6GVS
By Gary - W6GVS · #31798 ·
Re: Through calibration #calibration
If you are measuring baluns and large components like this below 30 MHz you surely can get away with a lot. I guess when you run into situations at higher frequencies you can over do it a bit for
By WB2UAQ · #31797 ·
Re: NanoVNA-H4 Port Models
But the expression for voltage or current yields a bigger number. Everyone knowns a bigger number is "better"...... Dave - W?LEV -- Dave - W?LEV
By W0LEV · #31796 ·
comparing results from a 3-term and 12-term VNA calibration
Hello all of you, Almost a year ago I asked if someone has done (or is able to do) measurements of the same DUT with a 3-term (like NanoVNA) and a 12-term calibration device (
By Victor Reijs · #31795 ·
Re: NanoVNA-H4 Port Models
Again, remember, we are not dealing with metrology quality instruments. They are certainly good enough for what we need. Well, maybe for tuning repeater cans, we'd like 100 dB of on-screen dynamic
By W0LEV · #31793 ·
Re: bALUN Common mode reject Z measurement
In the last email on the subject, please forgive me for being a bit cryptic. I'm just so frustrated with what the "memorize and forget" philosophy has gotten us in amateur radio in general. Yes, I
By W0LEV · #31792 ·
Re: bALUN Common mode reject Z measurement
Where is the text that went with the attachments?????? Try again: QUOTE: " But I note that many ¡°internet experts¡± I have read begin their reports or designs or whatever by stating or thinking
By W0LEV · #31791 ·
Re: bALUN Common mode reject Z measurement
I hope they (Starlink) doesn't truncate this email, again...... Here it is again......... QUOTE: " But I note that many ¡°internet experts¡± I have read begin their reports or designs or whatever by
By W0LEV · #31790 ·
Re: bALUN Common mode reject Z measurement
Why was my email and the attachments theretoo truncated???????? The whole email is not present!!!!!! Dave - W?LEV [email protected]> wrote:
By W0LEV · #31789 ·
Re: bALUN Common mode reject Z measurement
QUOTE: " But I note that many ¡°internet experts¡± I have read begin their reports or designs or whatever by stating or thinking they ¡°have enough¡± or ¡°should be enough¡± common mode
By W0LEV · #31788 ·