[K3VOA] DRAFT: TMARC Application

[Gary W3GRB]

Thanks, Al!
Waiting on the OK from Marc and Hugh, and then I'll send it on to T-Marc.

On Mon, Sep 12, 2022 at 7:59 PM E Allen Brown <kz3ab at verizon.net> wrote:

> Hi Gary,
>
> I rechecked the numbers and it looks good to me.
>
> 73,
> Al  KZ3AB
>
>
> -----Original Message-----
> From: Gary W3GRB <w3grb at garybutterworth.com>
> To: Al Brown <kz3ab at hotmail.com>; marc.k3poe at gmail.com; k3hu at arrl.net
> Cc: k3voa <K3VOA at mailman.qth.net>
> Sent: Mon, Sep 12, 2022 4:52 pm
> Subject: Re: [K3VOA] DRAFT: TMARC Application
>
> This is a big help, Al. MANY thanks!
>
> Hugh, Marc, (and anyone else),
>
> I *think *this might be ready to go to T-Marc. Can you please give it a
> final once over and let me know if I should go ahead and submit this?
> I mention Hugh and Marc specifically since I list them as contacts and
> "signed" Hugh's name.
>
> Thank you,
> Gary
>
> On Fri, Sep 9, 2022 at 3:01 PM Al Brown <kz3ab at hotmail.com> wrote:
>
> > Hi Gary,
> >
> > In answer to 1),  The license trustee, Hugh Katz, should be one of the
> > contacts.
> > 2)  The first floor is six feet above ground (on average) and it is 15
> > feet high.  Floors 2 through 6 are 10 feet high.  The 7th floor is 20
> > feet high. So, I figure the height of the roof is ~95 feet above ground.
> > Then add the height of the tower plus the mast plus the height of the
> > antenna to get the approximate height of the antenna above ground (AGL).
> > 3) No comment.
> > 4)Depending on the type of duplexer it is, the Duplexer Insertion loss is
> > probably around 2.0 dB.
> > 5) You should put in a number in the Duplexer Insertion Loss blank.  The
> > If the Transmitter Power is 43.90 dBm, subtract the Duplexer Insertion
> Loss
> > 2.0 dB, subtract the Antenna System Cable Loss 2.06 dB and add the
> Antenna
> > Gain 5.05 dB to give you an Effective Radiated Power of 44.89 dBm (if my
> > arithmetic is correct).
> >
> > In my opinion, you shouldn't sweat the numbers too much.  Since this is a
> > low power repeater and the HAAT is a negative number (you have HAAT as
> -39
> > feet. I thought it was -39 meters and you'll have to recalculate the
> HAAT),
> > no one from T-MARC is ever going to inspect it.
> >
> > Finally, the application should be signed by the license trustee since he
> > is the one who is ultimately responsible for the repeater's operation.
> >
> > So, that's my two cents worth.  Hope this helps.
> >
> > 73,
> > Al KZ3AB
> >
> > ------------------------------
> > *From:* k3voa-bounces at mailman.qth.net <k3voa-bounces at mailman.qth.net> on
> > behalf of Gary W3GRB <w3grb at garybutterworth.com>
> > *Sent:* Thursday, September 8, 2022 6:20 PM
> > *To:* k3voa <K3VOA at mailman.qth.net>
> > *Subject:* Re: [K3VOA] DRAFT: TMARC Application
> >
> > Hi all,
> > I probably should have followed up on this a while back, but would any of
> > you mind having another look at my attempt at filling out the T-MARC
> > Application for Frequency Coordination for our UHF repeater?
> >
> > Thanks to Al (KZ3AB) for helping me with the HAAT back in August. But I'd
> > still be grateful for feedback on the following:
> >
> > 1) I listed Hugh and Marc as the contacts. Ok?
> > 2) Antenna: Do we know our antenna height? Repeaterbook shows us at 100',
> > but that seems slightly high to me. Also, am I correct in remembering
> that
> > it's a top-mounted omnidirectional vertical?
> > 3) I believe our repeater can handle C4FM, but it's never been enabled.
> If
> > we want to do that, this might not be a bad time to do so.
> > 4) ERP Calculations: Do these look right? I based them off of the 2009
> > calculations in the binder (still current? JPGs attached), but I couldn't
> > figure out how duplex loss factors in.
> > 5) Who should sign?
> >
> > Thank you!
> >
> > --
> > 73 de Gary, W3GRB
> >
> > On Tue, Aug 2, 2022 at 2:00 PM Gary W3GRB <w3grb at garybutterworth.com>
> > wrote:
> >
> > > Hi all,
> > >
> > > My first pass at the T-Marc frequency coordination application is
> > attached.
> > > I'll be grateful for your review/feedback on each item, but especially:
> > >
> > > 1) I listed Hugh and Marc as the contacts. Ok?
> > > 2) Antenna: Do we know our antenna height? Repeaterbook shows us at
> 100',
> > > but that seems slightly high to me. Also, am I correct in remembering
> > that
> > > it's a top-mounted omnidirectional vertical?
> > > 3) I believe our repeater can handle C4FM, but it's never been enabled.
> > If
> > > we want to do that, this might not be a bad time to do so.
> > > 4) ERP Calculations: Do these look right? I based them off of the 2009
> > > calculations in the binder (still current? JPGs attached), but I
> couldn't
> > > figure out how duplex loss factors in.
> > > 5) Who should sign?
> > >
> > > Thank you!
> > >
> > > --
> > > 73 de Gary, W3GRB
> > >
> >
> >
> > --
> > 73 de Gary, W3GRB
> >
>
>
> --
> 73 de Gary, W3GRB
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-- 
73 de Gary, W3GRB