PSP Antenna

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talviar

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why cant psp just use the 800mhz i tac channels and the uhf channels instead of spending more of our tax money on a new system.

Novel idea. . . . Who is going to put the 800 MHz I-Tac repeaters in my county?

I operate a 7 channel trunking system here in Fayette County and do not have nor am I required to have the 800 MHz I-Tac repeaters up and operational.

As far as some other comments go. . . . APX equipment with proper flash will support APCO25 trunking systems, and/or Smartnet/Smartzone analog systems. Again depending on what flash was purchased with the radio.

And other comments on current starnet radios is correct. . . . Radio can support OPensky and P25 conventional/trunking in the radio, but it is not an easy venture to switch between Starnet and P25 conventional or p25 trunking systems programmed in the radio. . . . . Not like many of us using APX or XTS/XTL's are used to with multiple systems in the radio. . . .

Nothing like having to reboot the radio to go from "on network/opensky" to "off network/ conventinal/p25 . . . " not sure how may steps are involved if there is a p25 trunking system in same radio. . . . .

Just my $2.25 and as always, YMMV!

T
 

mattl3320

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ok so u are telling me in your county u use a 800mhz radio sysytem a u didnt put up any repeaters for 800mhz i tac channels. ok because I thought after sept. 11 2001 anyone putting a trunked radio system in was to have either the uhf vhf or 700/800mhz v tac channel in there system. man dated by home land security because here in eastern pa the 800 i tac as well as vhf ops channel are used. The following states and countys have 800 i tac usably they are the

1 state of Delware
2 Delware county pa - uhf county but has 800mhz i tac repeaters
3 state of maryland
4 montgomery county pa
5 chester county pa
6 philadelphia county

And from what i have read they all dont have to be 800mhz the can be vhf uhf anyone of the i tac channels
the county should look into federal grants for the repeaters they are out there to get. ps they should have planned there system out better thats my 2 cents.
 

talviar

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ok so u are telling me in your county u use a 800mhz radio sysytem a u didnt put up any repeaters for 800mhz i tac channels. ok because I thought after sept. 11 2001 anyone putting a trunked radio system in was to have either the uhf vhf or 700/800mhz v tac channel in there system. man dated by home land security because here in eastern pa the 800 i tac as well as vhf ops channel are used. The following states and countys have 800 i tac usably they are the

And from what i have read they all dont have to be 800mhz the can be vhf uhf anyone of the i tac channels
the county should look into federal grants for the repeaters they are out there to get. ps they should have planned there system out better thats my 2 cents.

No federal requirement for folks that are not using NSPAC freqs on 800 to put up 800 MHz I-TAC/I-Call repeaters. . . .

And no DHS requirements to have the infrastructure in place. There is a DHS recommendation that radios purchased with DHS funds have the appropriate interop channels in it, but again if the channel is in the radio and there is no one to talk to (no infrastructure to a 911 center to hear the call for help) has this really accomplished anything?

Further, Our system was licensed in 1994 and operational 1Q-1995 before the NSPAC requirements for I-TAC/I-Call were in place and literally while the NSPAC rules for our region were being finalized. . . .

Thus our system was operational and licensed on business SMR 800 freqs classified for 800 public safety trunking (which was and still is permitted)
All county entities operate on this system.(Police/Fire/EMS/EMA/public works)
Neighboring users in other counties either operate on 33.70 or 155.295 or 155.010 or 453.525 (PEMA interop system running in western PA since 1987) or already have our system programmed into their existing 800 radios to communicate with the 911 center here for patching into the TRS. . . .

Only entity that doesn't use those freqs is PSP. . . . .

I don't have a need for the interop freqs to communicate on my TRS with the people I need to.

However, OPRS placed the UCALL/UTAC repeaters in to allow my county users to talk on the state system with the talk groups in PSP and a few other select user group radios. . . . .

UCALL/UTAC==453 mhz .. . . . .
Fayette County TRS users on 800 mhz==
Do you see my problem?

State wants their folks to be able to communicate with us and DO NOT and HAVE NOT coordinated their efforts with us to allow these communications to occur.

The problem with the current radios is to go from 800 MHz ON Network with Opensky to the bank that has the 800/700 interop channels takes about a minute and then to switch back takes about a minute and a half . . . .
When the officer needs help it is a cumbersome process to use IF the rest of the infrastructure was in place.
 

Bandre88

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At the landfill in Taylor pa and the psp and in all there vehicles including the motor Carier enforcement they all have brand new xtl5000 remote head installed along with there opensky radios.
 

SurgePGH

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The OpenSky portables/mobiles are capable of EDACS, ProVoice, OpenSky, P25 Phase II, and P25 IP trunking. They also do analog conventional and P25 conventional.

Capable?!?!?!?! They are capable of being thrown in the garbage as well.
 

Bandre88

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anyone have an idea why the psp cars have had 1/4 UHF antenna installed. this seemed to have happened once they put on the 5/8 VHF on the trunk. Maybe for interop?
 

n3obl

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sure its not an 800 1/4 wave antenna?
 

Bandre88

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yeah it was a UHF i was standing rite next to the car looking at the setup. they have those. the phantom antennas probably for gps/comp and the opensky antenna and the 5/8 on the trunk for vhf. this is in the lackawanna/luzerne county area. thank you
 

kirkwoodcr

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yeah it was a UHF i was standing rite next to the car looking at the setup. they have those. the phantom antennas probably for gps/comp and the opensky antenna and the 5/8 on the trunk for vhf. this is in the lackawanna/luzerne county area. thank you

Sure it wasn't Troop T from 476, all those units have VHF for the Turnpike system 159.045
 

Bandre88

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it was troop R i had plenty of time to examine there vehicles while they were checking my truck for Motor carriar purposes, the cars and vans both had the uhf antenna on the roof, in the passenger corner on the cars and in the middle of the vans in row with the other antenna including VHF, Opensky, Phantom style and UHF. i was there for about 30 minutes so i looked at every vehicle all had xtl5000's installed and some were using old spectra heads.
 

rrbum

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anyone have an idea why the psp cars have had 1/4 UHF antenna installed. this seemed to have happened once they put on the 5/8 VHF on the trunk. Maybe for interop?


Possible answer. SERT radios? This was taken from the narrowband waiver request document.


The PSP Special Emergency Response Team (S.E.R.T.) maintains a limited amount of mobile and portable radios that utilize UHF frequencies. That license (WXP370) and equipment have already been narrowbanded.
 
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