[RVRC] Warren Site

[William Labos]

My vote is yes, go for it.


Bill Labos

> On Aug 31, 2019, at 3:40 PM, Paul Nannery <kc2vrj at gmail.com> wrote:
> 
> Members,
> to answer some questions raised, the 25W limit is set by out current
> equipment we can run up to 100W but No amp so we would need a new repeater
> for that. our current will do 50 W the total system gain is 2.5 DB on both
> TX and RX. site access will be limited to 2 persons however they can bring
> help with them, and we can work on any of our equipment in out cabinet.
> attached are estimated plots as well i just received word the state has
> approved this. also this is long term. it is not dependent on one persons
> as we will have an agreement in place. see below from the state.
> 
> I discussed RVRC's potential use of the Warren tower site with the State.
> They would be agreeable with certain conditions, most of which you and I
> already discussed, and with which you indicated concurrance previously.  The
> only new issue they brought up is cut and pasted below; I trust you will
> have no objection to their requirements?
> 
>> Chuck will want to formalize with a no-charge agreement that makes the
>> club aware of their maintenance obligations, site and tower access
>> restrictions, and our security procedures.
> 
> The access/security procedures will likely require that only one or two
> people are authorized for access.  The State is moving to an all-electronic
> access system including a motorized gate across the access road to get into
> the fenced compound.  Authorized persons will each be given an access card
> to get into the compound; the card may not be used by anyone other than who
> it is assigned to.  They may require notification prior to each access,
> likely limited to weekday working hours as the new system notifies them
> whenever someone swipes a card so they can monitor activity from Trenton via
> the cameras at the site.
> 
> Just so we're clear, there will be no access to the tower (i.e.
> climbing/installing equipment on the tower) by anyone other than the State's
> authorized contractor, either initially or at any time in the future, since
> you will be on the master antenna systems.
> 
> If you would like to move ahead, I'll work up a quote, and then have the
> State draft the agreement for the club to sign.  Who would be the person
> authorized to sign on behalf of the club?
> 
> to not miss this we need to quickly approve and move on this. below are the
> emails about cost. the costs we gave at the meeting were high just be be
> cretin we would not have a cost over run.
> 
> 1.  Pricing below for the VHF combiner and multicoupler expansion channels
> (I get a 30% discount):  $1708.70 + tax + shipping.  Figure $2000 total.
> We'll do the integration and tuning as a favor to the club.
> 
> 2.  Horizontal cabling.  T&M to run cables from the combiner/multicoupler
> building out to your cabinet which will end up being about 100' or so away.
> This has to be done by the State's approved contractor.  Assuming we use
> 7/8" cable, figure about 120' of cable for each run (one for Tx, one for
> Rx), and a couple of hours to install with hangers, ground kits, etc., I
> would guesstimate around $2000-2500.
> 
> 3.  Outdoor equipment cabinet.  The existing cabinets that are there are
> pretty rusty, I don't think you would want to use what remains.  Ideally it
> should be a Motorola 6' outdoor cabinet as the area under the ice bridge is
> set up to mount that type of cabinet, but it can probably be adapted to
> whatever you have using angle steel/aluminum. About 3000.00
> 
> 4.  Repeater.  Must be first-class, modern, commercial equipment (Motorola,
> Tait, Kenwood, Harris, etc.).  No hammy stuff, no mobile radios, etc..  You
> will not need, and you cannot add, any additional filtering, preamps, etc.
> as it can adversely affect other channels on the system.  You will be
> sharing antenna systems with state and federal agencies with three-letter
> acronyms; any interference to them will surely end your stay, so it's in the
> club's best interest to "do it once, do it right".
> 
> 5.  Coordination.  I will require that you get your coordination modified
> and approved before we proceed.  This is not unique to you - it is my
> standard requirement whenever I let ham repeaters on sites that we own or
> manage in order to avoid conflict of interest since I am involved in
> frequency coordination (ARCC).  For the sake of calculating ERP, your net
> antenna system gain (including the 120' of horizontal cabling loss,
> combiner, feedline loss, antenna gain, etc.) will be 2.5 dBd.
> 
> 6.  Electrical.  We can do the work for you at no cost as a favor to the
> club.  You will be on the State's main (275 kW) diesel generator for backup
> power.  If your repeater has provisions for a backup battery, be sure to use
> a battery that will work/survive at the temperature extremes.  The State
> will want to know your electric consumption, so I would strongly recommend a
> switching power supply and keeping your power output reasonable (also goes
> along with coordination).  The transmit antenna is a 4-bay dipole array at
> 880' AMSL (receive antenna at 940' AMSL) fed with 1-5/8" line - you're not
> going to need much power...
> 
> I feel we should move on this and move quickly.
> 
> Thank you KC2VRJ
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