Thanks for info! I ended up figuring out my issue (it was something else) but it’s good to know this stuff.
I have that handbook and I’ll take a look. 73, Mike Giannaccio W5REZ > On Jun 29, 2022, at 11:09 AM, Rick Hiller via BVARC <[email protected]> wrote: > > > The Radio Amateurs Handbook (aka The ARRL Handbook for Radio Amateurs) gives > an excellent explanation of coils, windings, interwire capacitance etc. > Pretty much any edition back to the beginning of ham time has it. > > However, for those living in the 21st century HI, in the 2000 edition i.e. > find complete explanations under AC Theory and Reactive Components, Real > World Component Data and in the Reference section. > > A little RF design knowledge for your entertainment this AM. > > 73...Rick -- W5RH > > On Wed, Jun 29, 2022 at 9:50 AM Gary Sitton via BVARC <[email protected]> wrote: >> Yes, that's also another reason for the increased spacing. >> Gary K5AMH >> >> On 6/29/2022 9:00 AM, Joseph Benoit via BVARC wrote: >>> In addition to otherwise stated by K5AMH, as the frequency gets much higher >>> incrementally smaller inductance value is required (wider spacing, >>> turns-per-inch on a given coil diameter) and smaller incremental change is >>> needed to fine-tune if it were. >>> >>> On Sat, Jun 25, 2022 at 11:14 AM Michael Giannaccio via BVARC >>> <[email protected]> wrote: >>>> This is probably a basic question but I’ve come up empty in my search and >>>> can’t seem to find the answer in the Antenna Book. >>>> >>>> Can someone explain to me or link me to some reading as to why some roller >>>> inductors and screwdriver antennas like the ATAS have less turns per inch >>>> on the ends of the coil and more towards the center? I do have the latest >>>> edition of the antenna book so if it’s in there I can look it up. >>>> >>>> >>>> >>>> >>>> >>>> Thanks! >>>> >>>> 73, >>>> >>>> Mike Giannaccio >>>> W5REZ________________________________________________ >>>> Brazos Valley Amateur Radio Club >>>> >>>> BVARC mailing list >>>> [email protected] >>>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>>> Publicly available archives are available here: >>>> https://www.mail-archive.com/[email protected]/ >>> >>> >>> ________________________________________________ >>> Brazos Valley Amateur Radio Club >>> >>> BVARC mailing list >>> [email protected] >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> Publicly available archives are available here: >>> https://www.mail-archive.com/[email protected]/ >> >> -- >> Gary Sitton, K5AMH >> [email protected] >> SDR/DSP Consultant, >> "Have FFTs, Will Travel." >> ________________________________________________ >> Brazos Valley Amateur Radio Club >> >> BVARC mailing list >> [email protected] >> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >> Publicly available archives are available here: >> https://www.mail-archive.com/[email protected]/ > > > -- > Rick Hiller > e-mail: [email protected] > Cell: 832-474-3713 > Physical: 9031 Troulon Drive > Houston, TX 77036 > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > Publicly available archives are available here: > https://www.mail-archive.com/[email protected]/
________________________________________________ Brazos Valley Amateur Radio Club BVARC mailing list [email protected] http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org Publicly available archives are available here: https://www.mail-archive.com/[email protected]/
