A high level summary article to get you up to speed quickly. Enjoy....73...Rick W5RH
https://www.radioworld.com/tech-and-gear/market-makers-want-to-expand-their-use-of-shortwave On Sun, Jul 16, 2023 at 4:16 PM Rick Hiller <rickhille...@gmail.com> wrote: > Bob > Ditto on all that. > Tnx for the dBc numbers. > I hope the Spectrum guys at ARRL are on it. Seems like it might work > with restrictions of course. This is only one group. Other HFT > companies would ask for their services too if it goes. > Does 20kw and frequency shifting get you world wide capability 24/7? Ask > the SAC guys! > RH > > Sent from my i-Thingamajig > > On Jul 16, 2023, at 3:51 PM, STROUPE, BOB <bobstro...@iheartmedia.com> > wrote: > > > Rick, > > I have mixed few about this. I have read the petition and have see. the > W6LG video. The “worst” thing I saw in the petition was that the spurious > emissions were only limited to -60 dBc. MF and VHF broadcasting must meet > -80 dBc. I believe they must be held to the same standard. Of course, I > don’t want their emissions at greater than -80 dBc inside the amateur and > they should be required to use frequencies far enough from the amateur band > edges to give this performance. > > Other than that, someone is going to need to come up with a quantifiable > reason on how this will impact amateur radio rather that “it will end > amateur radio.” High power shortwave broadcast didn’t do that; how will > this (other than the emission type) be any different that then. > > Now if I was a part 90 user of the HF frequencies, I would want to have > more assurances that this would not impact my operations. > > W5KK > > From Bob Stroupe, Regional Engineering Manager, Houston TX > Help? Call 1-888-271-2395 > > On Jul 16, 2023, at 3:09 PM, Rick Hiller <rickhille...@gmail.com> wrote: > > > Submission Comment #2 W5RH > Looking at a bit more detail in Appendix E (Page 74) their study shows > available frequency ranges within 2 to 25 MHz. None of their proposed > bands cover any of our ham bands *EXCEPT 60 Meters, where we have 5 > "channels",* but I think this is shared anyway. > > Their 10, 25 and 50 KHz "channailzed space" ranges come up to the band > edges on a few ham bands NOT JUST 20 MX as has been blogged and youtubed. > Below I have outlined where their study touches our band edges (always > skirting our bands except 60 mx). They claim throughout that they want to > cause NO Interference to existing services (ham, marine, etc.) > > Their study indicates these Frequency bands available 2 to 25 MHz (ref our > bands).... > *Below Above * > *3.4 4.0 80 is 3.5 to 4.0* > *5.4 5.0 (within 60 meters 5.3 to 5.4)* > *7.0 7.4 40 is 7.0 to 7.3* > * 9.995 10.15 30 is 10.100 to 10.150* > *14.0 14.350 20 is 14.0 to 14.350* > *18.068 18.168 17 is 18.068 to 18.168* > *21.00 21.850 15 is 21.0 to 21.450* > *24.89 End 12 is 24.890 to 24.990* > > Looked up in the license database. None of the commenting parties is a > ham except maybe John Madigan (AC0GP -- maybe). > > Also, have a look at what they intend to do. These shortwave HF links are > to benefit High-Frequency stock trading. (high frequency is not meaning RF > but the speed of the trade data xfer). Using shortwave will reduce the > latency times for the transfer of applicable stock data. Not using > satellites or the internet will cut milli seconds off of their transfer > times. HFT is a crazy way to trade stocks.. Google HFT and read on > Wikipedia. > > 73...Rick W5RH > > > > On Sat, Jul 15, 2023 at 6:43 PM Rick Hiller <rickhille...@gmail.com> > wrote: > >> A cursory read through the proposal and attached amendments shows that >> they have done their homework in all aspects. The various companies have >> been running experiments on air for the past 4 years. (experimental call >> signs are listed) Seems like they wish to run 20KW to a 10dBi antenna on >> transmit and have a simple vertical whip on the receive end. They also >> propose interference avoidance and frequency jumping.... kind of like >> ALE. >> Freqs used were 4.9, 10.2, 14.9 19.9 and 24.8 with a bandwidth of 10 KHz. >> >> In their initial paragraphs they mention avoidance interference to >> amateur, marine and aeronautical. No mention of military in there that I >> saw. >> >> Again, this was my 30 minute read of the various sections which means >> that I was looking for pertinent information relating to us hams. I am >> sure there is more to be found and corrected with a further read. >> >> Just my $.02 for now.....73...Rick W5RH >> >> On Sat, Jul 15, 2023 at 5:54 PM JP Pritchard via BVARC <bvarc@bvarc.org> >> wrote: >> >>> Thanks for the reply Bill. As Jim Heath points out in this video, the >>> deadline for comment is two weeks away. My first thought is, we might >>> (emphasis MIGHT) be better off to express our immediate concern to the ARRL >>> defense of spectrum lobbyists, in hopes that they could help convey what >>> they know to the rest of us (beyond what's in the petition) to give Ham >>> World a chance to weigh in. But whatever we do we're already late in the >>> process and big money backing this plan already has a big edge on us, if >>> there is something here to be worried about. >>> >>> Any thoughts from others? Time is running out. Let's hear it! >>> >>> JP >>> >>> On 07/15/2023 4:55 PM CDT Bill Cordell via BVARC <bvarc@bvarc.org> >>> wrote: >>> >>> >>> >>> JP: >>> >>> We may want to convene a committee of interested people to talk about >>> what is proposed. There are so many variables, not to mention the costs to >>> construct and run a digital transmitter. Also, who has digital receivers? >>> Currently there are limited AM shortwave receivers for that industry is >>> dying (like the majority of the over-the-air broadcast stations due to the >>> ubiquitous and massively increasing wireless internet).. >>> >>> Bill >>> >>> >>> >>> *From:* BVARC <bvarc-boun...@bvarc.org> *On Behalf Of *JP Pritchard via >>> BVARC >>> *Sent:* Saturday, July 15, 2023 3:47 PM >>> *To:* BRAZOS VALLEY AMATEUR RADIO CLUB <bvarc@bvarc.org> >>> *Cc:* JP Pritchard <jppn...@comcast.net> >>> *Subject:* Re: [BVARC] Will This Petition Before The FCC Bring An End >>> To Amateur Radio As We Know It Or Am I Wrong Jim W6LG - YouTube >>> >>> >>> >>> How 'bout a couple of our broadcast engineers to respond to this... >>> Paul, Bill, Chris, Bob? >>> >>> On 07/15/2023 3:25 PM CDT K5BOU via BVARC <bvarc@bvarc.org> wrote: >>> >>> >>> >>> >>> >>> https://www.youtube.com/watch?v=VeG00x89ATI >>> >>> >>> >>> <image002.png> >>> >>> K5BOU-PhilippeBoucaumont >>> >>> Houston*|*Texas*|*USA*|* >>> >>> https://mccrarymeadowsweather.com/ >>> >>> <image003.png> >>> <image004.png> >>> <image005.jpg> >>> <image015.jpg> >>> >>> >>> >>> ________________________________________________ >>> Brazos Valley Amateur Radio Club >>> >>> BVARC mailing list >>> BVARC@bvarc.org >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> Publicly available archives are available here: >>> https://www.mail-archive.com/bvarc@bvarc.org/ >>> >>> ________________________________________________ >>> Brazos Valley Amateur Radio Club >>> >>> BVARC mailing list >>> BVARC@bvarc.org >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> Publicly available archives are available here: >>> https://www.mail-archive.com/bvarc@bvarc.org/ >>> >>> ________________________________________________ >>> Brazos Valley Amateur Radio Club >>> >>> BVARC mailing list >>> BVARC@bvarc.org >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> Publicly available archives are available here: >>> https://www.mail-archive.com/bvarc@bvarc.org/ >>> >> >> >> -- >> Rick Hiller >> *e-mail: rickhille...@gmail.com <rickhille...@gmail.com>* >> *Cell: 832-474-3713* >> *Physical: 9031 Troulon Drive* >> * Houston, TX 77036* >> > > > -- > Rick Hiller > *e-mail: rickhille...@gmail.com <rickhille...@gmail.com>* > *Cell: 832-474-3713* > *Physical: 9031 Troulon Drive* > * Houston, TX 77036* > CAUTION: This message originated from outside of the company. Please take > all precautions when opening attachments or links from outside sources. > > -- Rick Hiller *e-mail: rickhille...@gmail.com <rickhille...@gmail.com>* *Cell: 832-474-3713* *Physical: 9031 Troulon Drive* * Houston, TX 77036*
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