Loading ...
Sorry, an error occurred while loading the content.

Re: [BCD396XT] Testing antennas

Expand Messages
  • Ross
    If the frequency is a repeater output then there will be no difference in signal strength no matter who is using the frequency Sent from my iPhone ...
    Message 1 of 7 , Feb 18, 2013
    • 0 Attachment
      If the frequency is a repeater output then there will be no difference in signal strength no matter who is using the frequency

      Sent from my iPhone

      On 19/02/2013, at 7:37 AM, "John L Waller" <johnlwaller@...> wrote:

      > Thanks for the ideas. What is needed is a transmitter the broadcasts at a
      > consistent power, and either 24/7 or fixed predictable intervals. I suppose
      > the ideal would be a transmitter in each of several bands. One problem
      > with dispatch channels, if I am thinking of the same thing, is that
      > different agencies in our operate on the same frequencies so signal strength
      > will vary depending on the location. Of course, the ideal setup would be to
      > use a mast mounted antenna, but I have to clear that with the landlord, plus
      > find a local supplier of mastsJ
      >
      > JohnW
      >
      > From: BCD396XT@yahoogroups.com [mailto:BCD396XT@yahoogroups.com] On Behalf
      > Of MCH
      > Sent: Saturday, February 16, 2013 12:52 AM
      > To: BCD396XT@yahoogroups.com
      > Subject: Re: [BCD396XT] Testing antennas
      >
      > On VHF you can use a NOAA transmitter. On VHF/UHF you can use a paging
      > transmitter. On most bands you can use a trunking control channel.
      >
      > Or, you can simply use a marginal dispatch channel and listen
      > for a while. But, conditions can affect this setup more.
      >
      > Of course, being a portable antenna is tough to test because an
      > inch may make more of a difference in capture area than the antenna.
      >
      > Joe M.
      >
      > John L Waller wrote:
      > > I have a couple of different antennas for handhelds, is there a good way
      > to
      > > test them out to determine which might have the best reception?? Trying to
      > > keep track of specific frequencies while testing these antennas is tricky
      > as
      > > there is no guarantee as to when they will be transmitting. BTW, I am
      > using
      > > Arc-xt Pro software, although I do have freescan if it would help in
      > testing
      > > these antennas.
      > >
      > >
      > >
      > > Thanks, for any suggestions,
      > >
      > >
      > >
      > > John Waller
      > >
      > >
      > >
      > > [Non-text portions of this message have been removed]
      > >
      > >
      > >
      > > ------------------------------------
      > >
      > > Yahoo! Groups Links
      > >
      > >
      > >
      > >
      > > ----------------------------------------------------------
      > >
      > >
      > > No virus found in this incoming message.
      > > Checked by AVG - www.avg.com
      > > Version: 9.0.932 / Virus Database: 2639.1.1/5605 - Release Date: 02/15/13
      > 02:36:00
      > >
      >
      > [Non-text portions of this message have been removed]
      >
      >


      [Non-text portions of this message have been removed]
    • MCH
      And even if they use different transmitters, just make sure your comparison is based on the same agency. Joe M.
      Message 2 of 7 , Feb 18, 2013
      • 0 Attachment
        And even if they use different transmitters, just make
        sure your comparison is based on the same agency.

        Joe M.

        Uniden UPMan wrote:
        > Actually, if they are all operating through the same repeater, the output power will be the same no matter what agency is currently transmitting.
        >
        >
        > UpMan
        > UpMan FAQ: http://info.uniden.com/UnidenMan4/UpMan -- Please read before emailing me directly
        >
        >
        >> ________________________________
        >> From: John L Waller <johnlwaller@...>
        >> To: BCD396XT@yahoogroups.com
        >> Sent: Monday, February 18, 2013 3:37 PM
        >> Subject: RE: [BCD396XT] Testing antennas
        >>
        >>
        >>
        >>
        >> Thanks for the ideas. What is needed is a transmitter the broadcasts at a
        >> consistent power, and either 24/7 or fixed predictable intervals. I suppose
        >> the ideal would be a transmitter in each of several bands. One problem
        >> with dispatch channels, if I am thinking of the same thing, is that
        >> different agencies in our operate on the same frequencies so signal strength
        >> will vary depending on the location. Of course, the ideal setup would be to
        >> use a mast mounted antenna, but I have to clear that with the landlord, plus
        >> find a local supplier of mastsJ
        >>
        >> JohnW
        >>
        >> From: mailto:BCD396XT%40yahoogroups.com [mailto:mailto:BCD396XT%40yahoogroups.com] On Behalf
        >> Of MCH
        >> Sent: Saturday, February 16, 2013 12:52 AM
        >> To: mailto:BCD396XT%40yahoogroups.com
        >> Subject: Re: [BCD396XT] Testing antennas
        >>
        >> On VHF you can use a NOAA transmitter. On VHF/UHF you can use a paging
        >> transmitter. On most bands you can use a trunking control channel.
        >>
        >> Or, you can simply use a marginal dispatch channel and listen
        >> for a while. But, conditions can affect this setup more.
        >>
        >> Of course, being a portable antenna is tough to test because an
        >> inch may make more of a difference in capture area than the antenna.
        >>
        >> Joe M.
        >>
        >> John L Waller wrote:
        >>> I have a couple of different antennas for handhelds, is there a good way
        >> to
        >>> test them out to determine which might have the best reception?? Trying to
        >>> keep track of specific frequencies while testing these antennas is tricky
        >> as
        >>> there is no guarantee as to when they will be transmitting. BTW, I am
        >> using
        >>> Arc-xt Pro software, although I do have freescan if it would help in
        >> testing
        >>> these antennas.
        >>>
        >>>
        >>>
        >>> Thanks, for any suggestions,
        >>>
        >>>
        >>>
        >>> John Waller
        >>>
        >>>
        >>>
        >>> [Non-text portions of this message have been removed]
        >>>
        >>>
        >>>
        >>> ------------------------------------
        >>>
        >>> Yahoo! Groups Links
        >>>
        >>>
        >>>
        >>>
        >>> ----------------------------------------------------------
        >>>
        >>>
        >>> No virus found in this incoming message.
        >>> Checked by AVG - http://www.avg.com/
        >>> Version: 9.0.932 / Virus Database: 2639.1.1/5605 - Release Date: 02/15/13
        >> 02:36:00
        >> [Non-text portions of this message have been removed]
        >>
        >>
        >>
        >
        > [Non-text portions of this message have been removed]
        >
        >
        >
        > ------------------------------------
        >
        > Yahoo! Groups Links
        >
        >
        >
        >
        > ------------------------------------------------------------------------
        >
        >
        > No virus found in this incoming message.
        > Checked by AVG - www.avg.com
        > Version: 9.0.932 / Virus Database: 2639.1.1/5613 - Release Date: 02/18/13 02:34:00
        >
      Your message has been successfully submitted and would be delivered to recipients shortly.