[RFI] Odd broadcast radio reception.

Tue Jul 6 00:10:53 EDT 2021

Ok, I read this post...What are your intentions?

Best Regards,

Jim N9WW

James Chaggaris
President 
PowerOne Corp.
2325 Dean St. Suite 800J
St. Charles, IL 60175
Phone: (630)443-6500
Cell: (630)669-2241

> On Jul 5, 2021, at 10:58 PM, Cortland Richmond <ka5s at earthlink.net> wrote:
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> Those of us who got into Amateur Radio in our youth -- if we learned more on our own -- might sometimes have more understanding of electronics than some who walked off a stage with a BSEE.
> 
> Learning how to read at age three, I latched onto my parent's library after we returned from the UK in 1953, and was quickly reading adult level books.
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> I got into Amateur Radio after a teacher showed how insulated wire on a nail could pick up thumbtacks and paperclips, so I  I bought some wound inductors from our landlord's junkyard, and found one shaped like a doughnut.   When  powered for a short time, that TV  focus coil could propel ball bearings across my bedroom enough to stick in the wallboard.   Dad of course talked to the landlord, and a crystal-radio kit distracted me.... with Dad promising a transmitter if I built the ARRL's two-6AQ5 regenerative receiver.
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> I got one of the WV6 Novice licenses and with a short hiatus, got my General Class at 14 or 15, with Advanced and Extra after I joined the Army Signal Corp at 17, reenlisting for  Avionics maintenance, and on retiring, walked into engineering positions with no degree or coursework.
> 
> From a Quora Answer:
> 
> If we’ve worked hand-in-hand with engineers of other specialties, we will be more able to produce — working with them — solutions or designs that allow both to maximize the desired results. We will be likely to to see fixes (when needed) that a conventional education might not consider.
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> And if we’re both accommodating of overall goals; resourceful, thoughtful and flexible, creativity that suggests factors others don’t think of may be acceptable despite others’ failure to see what we may suggest.
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> That’s how an autistic engineer (even sans coursework or degree) can work, and how I had a 21 year career in communications and avionics in the Army — but it was 28 years after that before I learned I was “on the autism spectrum”. I’ve worked in EMC test and/or design engineering in a number of fields; TEMPEST and consumer/business computers, Digital Telecomm Network equipment, portable defibrillators, and Aviation EMC.
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> The physics are the same; only the standards are different
> 
> https://www.quora.com/Which-group-of-individuals-will-be-more-successful-in-creativity-and-innovation-operators-working-daily-on-specific-systems-or-highly-educated-engineers-that-have-never-worked-on-a-specific-system-or-capability/answer/Cortland-Richmondt.\\
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> LINK
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> -----Original Message-----
> From: Charles Gallo <charlie at thegallos.com>
> Sent: Jul 5, 2021 8:44 PM
> To: David Eckhardt <davearea51a at gmail.com>
> Cc: Rfi List <rfi at contesting.com>
> Subject: Re: [RFI] Odd broadcast radio reception.
> 
> 
> And these days, you get an EE Degree, and they barely cover BJTs, everything is FETs/MOSFETs. BJTs are basically considered “old, obsolescent tech” -- 73 de KG2V Charlie > On Jul 5, 2021, at 6:40 PM, David Eckhardt wrote: > > ARRL has always been behind the power curve. Remember how long it took > them to recognize the lowly transistor and to start including it in their > publications, especially QST and the Handbook? A long time well after > industry had accepted the new, smaller, cooler, and few aging issues, all > of which vacuum tubes have! They couldn't grasp current controlled > instead of voltage controlled active devices. I was the one who 'taught' > ARRL how to represent printed transmission lines and printed reactive lines > in the 1985 Handbook, 1296 transverter. > > Now they want to give Technician licensees HF privileges with no additional > questions on the 'exam' (such as it is) applied to HF operations. I give > up...... even though my ex wife gave me life membership - long ago. > > Jim, I believe we both know Ken Wyatt. I recently attended his 70th > surprise birthday party in Fort Collins, Co. I'm 74 and counting. > > Dave - WØLEV > >> On Mon, Jul 5, 2021 at 3:37 PM Jim Brown wrote: >> >>> On 7/5/2021 11:27 AM, David Eckhardt wrote: >>> A strong RF source likely sent the front end and maybe even the IF into >>> saturation to produce a condition where nothing was received. >> >> This mechanism makes great sense to me. BTW -- THIS is my definition of >> "fundamental overload," and it was rejected by ARRL when I was asked to >> write a chapter on RFI for the Handbook more than ten years ago. Theirs >> dates back to the days of analog TV, when it was common for rigs to >> produce harmonics that caused TVI. >> >> 73, Jim K9YC >> _______________________________________________ >> RFI mailing list >> RFI at contesting.com >> http://lists.contesting.com/mailman/listinfo/rfi >> > > > -- > *Dave - WØLEV* > *Just Let Darwin Work* > _______________________________________________ > RFI mailing list > RFI at contesting.com > http://lists.contesting.com/mailman/listinfo/rfi _______________________________________________ RFI mailing list RFI at contesting.com http://lists.contesting.com/mailman/listinfo/rfi
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