That would be something interesting to play around with see what you do
better with PL or DPL. I have someone in my area who is using a repeater
using APCO-25 digital modulation but haven't heard much. On different
bands that kind of modulation will get you different results as is the
case with the cheracteristics with the given band.
On Wed, 17 Jan 2007, Brett Winches wrote:
> The dpl would allow for direct addressing of specific stations ARES
> teams etc. Or that sounds possible.
>
> We have a repeater here that for years has had a dual level squelch
> system with a pl on the more sensitive setting but none required if your
> signal strength were greater at the repeater site. This is to eliminate
> the intermod wipe out on the top of the mountain that plagues any
> receiving equipment there with all the TV commercial broadcast and
> commercial and private radio services as well. Works very well indeed
> and is quite simple.
>
>
> =20
>
> -----
>
> BRETT WINCHESTER
>
> [log in to unmask]
>
> 208-639-8386
>
> ###
>
> =20
>
> =20
>
>
> -----Original Message-----
> From: For blind ham radio operators
> [mailto:[log in to unmask]] On Behalf Of Jeff Kenyon
> Sent: Wednesday, January 17, 2007 4:30 PM
> To: [log in to unmask]
> Subject: Re: Handihams, was: RE: exam
>
> Oh, well there is not many then. What is the reason for doing both? I
> would think it would be one or the other, and PL seems to be more
> popular
> then DPL. I ahve repeaters around here that not only use a PL, but when
> you are listening you don't hear the repeater's hang time, and this is
> if
> you have your radio set to only unmute when the PL comes on. I know
> what
> causes this, but in those cases I have my HT set up where you just send
> out the PL when you key up. That never made much sense to me to have
> the
> repeater set up to where you have it set up to mute right after unkeying
> because if you are the one transmitting you will only know you've made
> the
> repeater if you press MON.
>
>
>
>
>
> On Wed, 17 Jan 2007, John Miller wrote:
>
> > We have 1, soon to be 2 repeaters around here that require them, and 1
> more
> > that you can either use that or a regular PL tone. He was playing
> around and
> > decided to allow both. He says if he does go DPL only it will probably
> be
> > around 2009 or later.
> > ----- Original Message -----
> > From: "Jeff Kenyon" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Wednesday, January 17, 2007 6:05 PM
> > Subject: Re: Handihams, was: RE: exam
> >
> >
> > > As for DPL useaage, I know that many radios have it, but is there
> anyone
> > > on here who knows of repeaters for hams that use them? I haven't
> seen
> > > anything for ham that uses a DPL, but lot of commercial stuff does.
> > >
> > >
> > >
> > >
> > >
> > > On Wed, 17 Jan 2007, Buddy Brannan wrote:
> > >
> > >> Well, it depends, really. If the output's above 445 MHz, the offset
> > >> has to be negative (else it's out of band). If below 445 MHz, the
> > >> offset is positive. Most places I've been have a plus offset,
> although
> > >> I've seen some places put the output up and the input
> down...so...it
> > >> depends, I guess, but it's logical, more or less. Anyway; you'll
> find
> > >> all the repeaters between 440 and 450.
> > >> --
> > >> Buddy Brannan, KB5ELV: Executive In Training!
> > >> Independent Watkins Manager #361534
> > >> Email: [log in to unmask] or phone 888-75-BUDDY
> > >> Shop our catalog of over 350 products for your home and health:
> > >> http://www.tastyshop.net
> > >> ...And see how a Watkins business can improve your life. Read our
> > >> free Ebook: http://www.tastybiz.com
> > >> Ask me about the extra incentives (spell that b-r-i-b-e-s) for
> joining
> > >> my team in January!
> > >>
> > >
> >
>
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