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Re: bALUN Common mode reject Z measurement
Maybe it's all the re-re-re-re-quoting, causing some "buffer overflow" error. (and all those blank lines, and ones with only one word.) -- Doug, K8RFT
By DougVL · #31817 ·
Re: Through calibration #calibration
if it is good for a choke it can be used to feed a dipole ... not a real balun .. i know .. but a similar function ... just wind one and measure with vna if not superb to use on antenna they may be
By Siegfried Jackstien · #31816 ·
Re: alligator clips
Oh yes, David. Just like some amateur 5Kw stations, all mouth and no ears <vbg>
By mike · #31815 ·
Re: alligator clips
Crocodiles? That's a polite name for them...
By david bromell · #31814 ·
Re: alligator clips
Actually, we do. But we call them Politicians... <vbg>
By mike · #31813 ·
Re: alligator clips
Ian, I dont know where you are, but we dont have Crocodiles in the UK either..
By mike · #31812 ·
Re: alligator clips
In the UK we call them crocodile clips... we don't have alligators here.... 8-)
By Ian McCrum MI5AFL <ij.mccrum@...> · #31811 ·
Re: Through calibration #calibration
They were (maybe still) great clips but once some folks got ahold of the design they lost the ability to grab. Even some of the allies are so cheesy that they have become useless. John KK4ITX Visit:
By KK4ITX John · #31810 ·
Re: Through calibration #calibration
I knew a fellow named Dave Fahnestock whose grandfather or greatgrandfather was the owner of Fahnestock Electric who IIRC owned the patent on those clips. Sam Reaves ARS W3OHM Owner / Moderator of:
By Sam Reaves · #31809 ·
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 ·