MotoTRBO Radio Site Information

Rocky Mountain Ham Radio TRBO/DMR Network

    Need a sample codeplugs?  Look here!  

The RMHAM Network incorporates multiple groupings of repeaters, called an “IP Site Connect” by network designers.   We are linking selective repeaters together to create local, regional and wide area coverage.   We will exclusively use the Talk Groups listed below.   ALLCALL will no longer be supported on any RMHAM system.

RMHAM Network Sites (full time DMR / TRBO)

Name Site Sponsor Repeater Input Repeater Output Color Repeater Status IP Link Status
Albuquerque, NM Sandia Crest RMHAM – KA8JMW 447.900 MHz 442.900 MHz

7

Operational   Operational
Northern South Park
(Coming Soon!)
Badger Mountain RMHAM – N0SZ 441.7625 MHz 446.7625 MHz

7

Pending   Pending
Boulder 1 Lee Hill (RMHAM network) RMHAM – N0SZ 441.9875 MHz 446.9875 MHz

7

Operational   Operational
Boulder 2 Lee Hill (DMR-MARC) RMHAM – N0SZ 440.0500 MHz 445.0500 MHz

1

Operational   Operational
Canon City Fremont Peak RMHAM – K0JSC 441.7325 MHz 446.7375 MHz

7

Operational   Operational
Cheyenne Cheyenne, WY WY7EOC 444.975 MHz 449.975 MHz

7

Operational   Operational
Colorado Springs Almagre Mountain RMHAM – K7PFJ 441.9500 MHz 446.9500 MHz

7

Operational   Operational
Colorado Springs Cheyenne Mountain (DMR-MARC) RMHAM – N0SZ 440.0625 MHz 445.0625 MHz

1

Operational   Operational
Denver – West UHF Squaw Mountain RMHAM – N0SZ 441.9375 MHz 446.9375 MHz

7

Operational   Operational
Denver – North UHF Thorodin Mountain RMHAM – N0SZ 441.8000 MHz 446.8000 MHz

7

Operational   Operational
Denver – Central UHF Lookout Mountain UHF RMHAM – WA2YZT 441.8375 MHz 446.8375 MHz

7

Operational
  Operational
Denver – Central VHF Lookout Mountain VHF RMHAM – N0SZ 144.7625 MHz 145.3625 MHz

7

Operational
  Operational
Douglas County Devils Head Colo Emcomm 441.9250 MHz 446.9250 MHz

7

Operational   Operational
Durango/Mancos (Coming Soon!) Caviness Mtn N5UBJ 441.7375 MHz 446.7375 MHz

6

Pending   Pending
Fort Collins Horsetooth Mountain RMHAM – K7PFJ 441.7500 MHz 446.7500 MHz

7

Operational   Operational
Fort Morgan Fort Morgan EOC (mixed mode) NEAHR 443.2000 MHz 448.2000 MHz

7

Operational   Operational
Pueblo Pueblo K0JSC 441.9875 MHz 446.9875 MHz 6 Operational   Operational
Salida Methodist Mtn RMHAM – N0SZ 441.8125 MHz 446.8125 MHz 7 Operational   Operational

RMHAM Network Sites  (Mixed Mode – switching between narrowband analog voice and DMR / TRBO)

Name Site Sponsor Repeater Input Repeater Output Color Repeater Status IP Link Status
 Denver  Lower Squaw Mt  RMHAM – N0SZ  144.575 MHz  145.175 MHz  1 Operational
 Operational
Colorado Springs  Almagre Mountain  RMHAM – N0SZ  144.635 MHz  145.235 MHz  1 Operational
 Operational

Rocky Mountain Ham Radio Talk Groups

We will be using the following talk groups

Talk Group Description Screen Name

700

Colorado Wide Colo Wide

719

Southern Colorado Regional So CO

720

Denver Regional DEN CO

721

Northern Colorado Regional No CO

710

Denver Local (Lookout Mountain UHF repeater only) Lookout Local

750

Boulder Analog Connection  (future use – not yet implemented) 750 Conn

100

Cheyenne, Wyoming Local Talk Group Cheyenne Local

DMR-MARC Network Talk Groups:

Talk Group Description Screen Name

1

DMR-MARC Worldwide   (DMR-MARC repeaters only) DMR-MARC WW

2

DMR-MARC Local  (DMR-MARC repeaters only) DMR-MARC LCL

3

DMR-MARC North America  (DMR-MARC repeaters only) DMR-MARC NA

Colorado Wide Area Network (Colo Wide) – Talk Group 700

The Colorado Wide network will provide extremely wide area coverage across much of Colorado.   Repeaters supporting this talk group are:

Name Site Repeater Input Repeater Output Color Code Time Slot Status
Boulder Lee Hill (RMHAM network) 441.9875 MHz 446.9875 MHz

7

1

Operational – Linked
Canon City Fremont Peak 441.7325 MHz 446.7375 MHz

7

1

Operational – Linked
Colorado Springs Almagre Mountain 441.9500 MHz 446.9500 MHz

7

1

Operational – Linked
Denver – West UHF Squaw Mountain 441.9375 MHz 446.9375 MHz

7

1

Operational – Linked
Denver – North UHF Thorodin Mountain 441.8000 MHz 446.8000 MHz

7

1

Operational – Linked
Denver – Central VHF Lookout Mountain VHF 144.7625 MHz 145.3625 MHz

7

1

Operational – Linked
Durango(Coming Soon) Caviness Mtn 441.7375 MHz 446.7375 MHz

6

1

Pending
Fort Collins Horsetooth Mountain 441.7500 MHz 446.7500 MHz

7

1

Operational – Linked
Fort Morgan Fort Morgan EOC 443.2000 MHz 448.2000 MHz

7

1

Operational – Linked
Pueblo Mt Pueblo 441.9875MHz 446.9875Mhz

6

1

Operational – Linked
Salida NEW! Methodist Mtn 441.8125MHz 446.8125Mhz

7

1

Operational – Linked

Coverage of the Colorado Wide Area Network (CO Wide – Talk Group 700) network is shown below.  (click on the image for a larger map)

Screen Shot 2013-09-29 at 10.34.44 PM       Screen Shot 2013-09-29 at 10.34.54 PM

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Denver Colorado Regional Network (DEN CO) – Talk Group 720

A regional network supporting the Metro Denver area is being established using Talk Group 720.    Repeaters supporting this talk group are:

Name Site Repeater Input Repeater Output Color Code Time Slot Status
Denver – West UHF Squaw Mountain 441.9375 MHz 446.9375 MHz

7

2

Operational – Linked
Denver – North UHF Thorodin Mountain 441.8000 MHz 446.8000 MHz

7

2

Operational – Linked
Denver – Central UHF Lookout Mountain UHF 441.8375 MHz 446.8375 MHz

7

2

Operational – Linked
Denver – Central VHF Lookout Mountain VHF 144.7625 MHz 145.3625 MHz

7

2

Operational – Linked
Douglas County Devils Head 441.9250 MHz 446.9250 MHz

7

2

Operational – Linked

Coverage of the Denver Regional Network (DEN CO – Talk Group 720) network is shown below.  (click on the image for a larger map)

Screen Shot 2013-09-30 at 2.23.23 PMScreen Shot 2013-09-29 at 9.25.18 PM

UHF Coverage (click on map for a larger version)        VHF Coverage (click on map for a larger version)

Northern Colorado Regional Network (No CO) – Talk Group 721

A regional network supporting Northern Colorado is being established using Talk Group 721.    Repeaters supporting this talk group are:

Name Site Repeater Input Repeater Output Color Code Time Slot Status
Boulder Lee Hill (RMHAM network) 441.9875 MHz 446.9875 MHz

7

2

Operational – Linked
Cheyenne Cheyenne 444.9750 MHz 449.9750 MHz

7

2

Operational – Linked
Fort Collins Horsetooth Mountain 441.7500 MHz 446.7500 MHz

7

2

Operational – Linked
Fort Morgan Fort Morgan EOC (mixed mode) 443.2000 MHz 448.2000 MHz

7

2

Operational – Linked

Coverage of the Northern Colorado Regional Network (No CO – Talk Group 721) network is shown below.  (click on the image for a larger map)

Screen Shot 2013-12-06 at 7.14.28 PM

.

Southern Colorado Regional Network (So CO) – Talk Group 719

A regional network supporting Southern Colorado is being established using Talk Group 719.    Repeaters supporting this talk group are:

Name Site Repeater Input Repeater Output Color Code Time Slot Status
Canon City Fremont Peak 441.7325 MHz 446.7375 MHz

7

2

Operational – Linked
Colorado Springs Almagre Mountain 441.9500 MHz 446.9500 MHz

7

2

Operational – Linked
Douglas County Devils Head 441.9250 MHz 446.9250 MHz

7

1

Operational – Linked
Durango(Coming Soon) Caviness Mtn 441.7375 MHz 446.7375 MHz

6

1

Pending
Pueblo Mt Pueblo 441.9875 MHz 446.9875 MHz

6

2

Operational – Linked
Salida NEW! Methodist Mtn 441.8125 MHz 446.8125 MHz

7

2

Operational – Linked

Coverage of the Southern Colorado Regional Network (So CO – Talk Group 719) network is shown below.  (click on the image for a larger map)

Screen Shot 2013-09-30 at 2.18.14 PM

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Lookout Local Talk Group (Lookout Local) – Talk Group 710

A local talk group supporting Metro Denver is being established using Talk Group 710.

Name Site Repeater Input Repeater Output Color Code Time Slot Status
Denver – Central UHF Lookout Mountain 441.8375 MHz 446.8375 MHz

7

1

Operational – Local mode

Coverage of the Lookout Local (Talk Group 710) is shown below.   (Click on the map for a larger version)

Screen Shot 2013-09-29 at 9.25.18 PM

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Cheyenne, Wyoming Local Talk Group (Cheyenne Local) – Talk Group 100

A local talk group supporting Cheyenne is supported using Talk Group 100.   Note:  This talk group is only supported on the Cheyenne, WY repeater.

Name Site Repeater Input Repeater Output Color Code Time Slot Status
Cheyenne Local Cheyenne, WY 444.975 MHz 449.975 MHz

7

1

Operational – Local Mode

Screen Shot 2014-01-26 at 5.06.32 PM

VHF Mixed Mode

We have installed two VHF repeaters operating in mixed mode.    In this mode the repeater will determine the type of signal being sent to the repeater on the input frequency, and repeat that same signal on the repeater output.   Only one modulation type (digital or analog) can be utilized at the same time.   In this configuration, the repeater will occupy only 12.5 KHz of bandwidth while supporting either a single analog voice or two digital narrowband voice conversations.   These repeater can support the same coverage radius or distance as a traditional “wide band” analog repeater, and when in digital mode support twice the communication!   Welcome to the 21st century!!!

Name Site Sponsor Repeater Input Repeater Output Color Repeater Status IP Link Status
 Denver  Lower Squaw Mt  RMHAM – N0SZ  144.575 MHz  145.175 MHz  1  Operational  Operational
 Colorado Springs  Almagre Mountain  RMHAM – N0SZ  144.635 MHz  145.235 MHz  1  Coming soon  Operational

 Screen Shot 2013-12-08 at 4.45.28 PM

 

The two modes defined for this repeater are:

Analog -

  • 12.5 KHz, 12K0F3E modulation.  This is NARROWBAND ANALOG.  Please configure your radio appropriately!
  • DPL or DTCSS signalling 073 on both repeater input and repeater output.
  • The repeaters will not have PL transmitted during hang time or morse IDs.  Some people might think that the repeater is not working.  This is the way the mixed mode repeaters act and there is nothing wrong.

Digital -

  • Two slot TDMA DMR / TRBO, 7K60FXE modulation
  • Color Code 1 (will be used while in Mixed Mode).
  • Time Slot 1 using Talk Group 711 (while in Mixed Mode).
  • Time Slot 2 using Talk Group 712 (while in Mixed Mode).

Note: This repeater is capable of being remotely re-configured to support IP Site Connect.  It can be placed on the RMHAM Evolution Network when requested by ARES.    When in IPSC mode, it will utilize Color Code 7 and use the Colorado Wide talk group 700 on time slot 1, and Denver Regional talk group 720 on Time Slot 2.   We will announce through this web site when the repeater is temporarily placed in IP Site Connect networked mode.

Analog Connect Talk Group – Talk Group 750

At some point in the future, we will enable a cross connect between the analog and digital TRBO repeaters located on Lee Hill.    Stay tuned.

Rocky Mountain Ham Radio’s DMR MARC Repeater:

Lee Hill/Boulder North Repeater:  Repeater TX 445.0500/Repeater RX 440.0500 MHz, Color Code 1, DMR MARC (Motorola Amateur Radio Club)

Colorado Springs/Cheyenne Mountain: Repeater TX 445.0625/Repeater RX 440.0625, Color Code 1, DMR MARC (Motorola Amateur Radio Club)

We have installed these systems  linked to the DMR-MARC (Digital Mobile Radio – Motorola Amateur Radio Club) system.   This is a system of approximately 130 TRBO repeaters worldwide.   You can find more info on DMR-MARC from their website:  http://www.dmr-marc.net
There are some significant differences between the existing RMHR system and DMR-MARC.
1) Users of the DMR-MARC repeaters MUST obtain a radio identifier issued by DMR-MARC. You can request an ID here:  http://dmr-marc.net/request_subscriberID.html
2) Please note that DMR-MARC does NOT use “ALL CALL” on their system.  They utilize “TALK GROUPS” for Worldwide, North American and Local traffic.
3) They have an inverted structure for timeslots to RMHR.  On their system Timeslot 1 is for Wide Area Traffic, and Timeslot 2 is for Local Traffic.
          You should program your radio only to use the following talk groups:
On time slot #1:
      World Wide – Talk Group 1
U.S. / English Speaking Countries – Talk Group 3
On Time Slot #2:
Local – Talk Group 2
      Mountain Regional Talk Group – Talk Group 3177   (Please see map below for states covered by the 3177 Mountain Region network.)

Screen Shot 2013-12-08 at 4.33.02 PM

Please see this web page for programming your radio.  http://www.dmr-marc.net/subscriber-program.html   You can also send an e-mail to request additional information or help.
Estimated coverage of the Lee Hill DMR-MARC repeater as predicted by Radio Mobile.

Screen Shot 2013-02-22 at 11.11.46 PM

C-Bridge Installation

Our Rayfield Communications C-Bridge is now on-line allowing connections among the RMHR IP Site Connect networks repeaters, as well as the DMR-MARC network.  The bridge has been expanded to support patching between five IP Site Connect networks.

Operation and configuration of the cBridge is not important to the users of the system, some information is provided for our curious users.

(This section under construction.)

IP Site Connect Functional Name Repeaters TimeSlots linked
IPSC 1 Northern Colorado Regional
IPSC 2 Central Colorado Regional
IPSC 3 Southern Colorado Regional
IPSC 4 AUXCOMM Network Bridge
IPSC 5 DMR-MARC Network bridge

 

Microwave Network

We are currently in the process of extending our microwave link system throughout the Front Range from Wyoming to the Royal Gorge and South Park to interconnect our radio sites on Amateur Radio frequencies and not be reliant on the commercial Internet as much as possible.  We’ve linked of our front range sites and are working to add others as quickly as the funds and time will allow.

If you have access to a site and internet access and would be willing to assist us in creating this network, please contact us and discuss what we can do to make this happen. We would like to create the network around the state, but we’re not building overlapping coverage.  If you have a site, and it makes sense for us to deploy there, we will see what we can do!

Motorola MotoTRBO Legality on the Ham Bands

Motorola filed and received approval on applications with the FCC to add emissions designators for use in many different radio services.  With the recent filings, the modes we use f0r amateur service are classified 7K60F7W for the repeater stations, mobiles & portables are classified as 7K60F1W which are all specifically allowed in Amateur Radio Service in Part 97.  These are now perfectly acceptable for use in amateur radio service.  With the receipt of these approvals, we believe that usage is not contrary to FCC Part 97 and allowed.

Please note:  Certain autonomous features (like GPS positions) are not allowed since there’s no way to transmit ID packets every 10 minutes as required.  Encryption is never allowed and SHOULD NOT be used.

FCC GRANTS WAIVER:  March 22, 2013 the FCC Granted the ARRL’s  petition for a waiver to the commissions rules regarding the use of single slot TDMA on the ham bands pending permanent rulemaking proceedings on the subject.  The full order is here for your perusal.

 

Network Technical Log:  See pulldown above.