Delaware County, PA lots of questions

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Septa3371CSX1

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Gonna do some thread necrophilia here. I have this list that's about a mile long of supposed fire company private channels. Can anyone give me a list of the ones that are actually used so I can ditch the ones I'll never hear anything on? Thanks

Send me the list you have and I'll let you know which I know are used. 04, 06, and 16 use their private channels.
 

Septa3371CSX1

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Appears the changeover in Newtown from 107-7 to 104-7A occurred around the beginning of this month. Heard 104-7A dispatched to a call in Newtown earlier this week.
 

philacop

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Aldan

Hello to fellow delco neighbors!
Still trying to nail down the ever ending search for Alden police switch up frequency aka Aldan townwatch channel. Town watch base is located at the swim club off Springfield rd and was told patrols on Friday and Saturday nights but for the life of me cannot find it !! I'm located in clifton and have a outside create antenna so there is not a problem with receiving .
Anyone have anything at all ?
Thanks
 

captaincab

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Welcome to the neighborhood live very close to you myself. I have searched fcc uls and have not found anything i am betting the license is in one of the members names and that is why no one can find it.

Hello to fellow delco neighbors!
Still trying to nail down the ever ending search for Alden police switch up frequency aka Aldan townwatch channel. Town watch base is located at the swim club off Springfield rd and was told patrols on Friday and Saturday nights but for the life of me cannot find it !! I'm located in clifton and have a outside create antenna so there is not a problem with receiving .
Anyone have anything at all ?
Thanks
 

Septa3371CSX1

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I haven't even been able to find it with the location-based search in the RR Database. Even using signal stalker in Aldan when I hear a 43 car say "switch up" has given me nothing.
 

phillydjdan

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I hung out in Aldan last night for a couple hours but wasn't able to pickup any close call hits at all. I also could not find any hint of anything in the FCC database. It's worth noting that the cars have 2 identical UHF antennas on them, so my guess would be whatever it is resides in the UHF band. I'm thinking it's a leased frequency, maybe from one of the local communications companies. Problem is, without peeking inside the car there's no way to tell if it's analog, digital, conventional or trunking. The other possibility is that they aren't using radio at all, but rather a "channel" on an app like Zello.

My father-in-law lives in Aldan, and I'm tempted to setup a remote scanner with one of my Uniden scanners and Proscan and see what I can come up with. I know he wouldn't mind.
 

saber2k5

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From what I have seen, most county PD cars have 2 UHF antennas-one for the radio, the other for the MDT, being the county runs the MDTs on some 500 Mhz freqs too.
 

phillydjdan

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Still, if they are using a mobile radio, it would have to be in the UHF band. Not to say they can't be using a portable but I highly doubt that, as it appears every other police department in the county that has a private or townwatch channel uses a mobile radio.
 

captaincab

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Primary in Upper Darby Twp is Medic 103-7 103-7A and 103-7B all crozer ems units 103-7 and 7A are based at Delco Hospital and 7B is based next to station74 one of the twp firehouses. Med 24-7B based at east lansdowne fire co handles sections of the twp between 11am and 11pm and Medic 75-7 occasionally runs into the westbrook park section as a back up medic with ambulance 03-7 from clifton heights fire co.

What EMS units regularly handle medical calls in Upper Darby Township?
 

captaincab

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What are ya waiting for man !! lol

I hung out in Aldan last night for a couple hours but wasn't able to pickup any close call hits at all. I also could not find any hint of anything in the FCC database. It's worth noting that the cars have 2 identical UHF antennas on them, so my guess would be whatever it is resides in the UHF band. I'm thinking it's a leased frequency, maybe from one of the local communications companies. Problem is, without peeking inside the car there's no way to tell if it's analog, digital, conventional or trunking. The other possibility is that they aren't using radio at all, but rather a "channel" on an app like Zello.

My father-in-law lives in Aldan, and I'm tempted to setup a remote scanner with one of my Uniden scanners and Proscan and see what I can come up with. I know he wouldn't mind.
 

phillydjdan

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Heh, I have a million other projects I'm juggling along with household duties and an upcoming wedding, so...
 

captaincab

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I will say this much i am betting dan is 100 correct cause i know for a fact a few other delco towns use the already existing patrol car mobile for their private channel as well as having it programmed in the officers portables.

Still, if they are using a mobile radio, it would have to be in the UHF band. Not to say they can't be using a portable but I highly doubt that, as it appears every other police department in the county that has a private or townwatch channel uses a mobile radio.
 

SCPD

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Just a thought on the private channel part, have you listened to the input frequencies and not excluded any other frequency used by the town or city themself? Such as parks or roads? Inputs and outputs in csq or open nac. If it's side comms non repeated you may need to be close or have a good antenna outside. If it's on Portables you'd for sure have to be close. Maybe check other bands outside of their normal range in event they have a dual band radio capable of another band?

Is it without doubt 2 uhf antennas? Not a 800 quarter wave type? It is possible they have third hidden antenna such as a detective/surveillance antenna somewhere one cant see or notice off hand? Most "private channels" in conv are non repeated mobile only. Allot of agencies will use a input frequency for this or another town departments input in simplex. I would also check any utac or state uhf interop type channels. Several states have a interop frequnecy list which the rr db does not list. I know at least a few here out west which do that are not repeated. You may check under a chiefs name or fleet managers name in the fcc db. Radio maint managers name, or others affiliated with the towns comms. If it's a contractor license they operate under may check that name out in the fcc? Many will utilize someone's name in swat or private comms listings.
 
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phillydjdan

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I did several license searches by geosearch and ruled out any licenses in the borough's name. Its a borough you would miss if you blinked while driving, with maybe 2 marked cars and an unmarked car. The antennas are identical UHF quarter wave 6" whips on NMO mounts. The likelihood of a dual band radio is about slim to none. I doubt they would bother with a covert antenna when there's already 2 non-covert ones on the car already. The business leased option is probably the answer. But it's not going to be easy to nail down since there are several companies/names out there and several different modes in operation, from analog to LTR to DMR and NXDN. I'm still leaning towards UHF, though. Here in Delco most departments use UHF repeaters. Some are nice and high up on towers with lots of transmit power. Others are low power 10 watt repeaters with antennas only as high as the station's rooftop. There's only 2 or 3 that I know of that use VHF simplex and nobody is using 800. Since they call this channel "townwatch" I think we can rule out any UTac channels being used, as a townwatch group wouldn't be permitted to use those channels.
 

philacop

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Aldan pd

I read a article which said there townwatch works out of there swim club so maybe there is a antenna on a roof or structure at that location which might narrow a band down. Allan's town watch info is posted on there borough home page. I'm guessing it's on uhf as they switch up to Aldan which is the town watch frequency. Most likely simplex as the borough is a half mile as the website states.
This frequency is a tough one to nail !!
 

phillydjdan

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Google Street View doesnt get close enough to see the building. I did a 10 mile FCC geosearch and wrote down over a hundred possible UHF frequencies from all the lease people from LTR to NXDN. When I setup the remote scanner I will include them in my scan list along with Sector 4 so I can trace when they say to switch up. Once I do that, though, it'll be up to you guys to let me know the date and time they say it so I can go back and look at the recordings (they will be date and time stamped). Wait until this pop mess is done with first, cuz I have the scanner and pc tied up with that right now.
 

Septa3371CSX1

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Sharon Hill PD is now using the FD's repeater channel (463/468.5125) as a private talkaround channel. Heard one 61 car tell another to "go to private" and tuned into the fire company frequency and heard them conversing on there. The PD is using a 132 DPL. I'll try to keep a listen for any usage by the fire company or any other borough agencies.
 
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