NEW! Listen Live:
- 147.000 Repeater
- 224.800 Repeater (Quahog Net Feed)
SEMARA owns and operates three voice repeaters and an APRS Digipeater/iGate station. These four systems are situated at the rear of club property below a 180 foot multiple tenant communications tower. SEMARA, which has exclusive rights to the top of the tower, has dedicated 1-5/8″ Andrews Heliax feedlines for these systems.
The tower also hosts numerous wireless providers through Blue Sky via a lease agreement, including AT&T Mobility, DISH Wireless, T-Mobile US and Verizon Wireless. Several public safety systems including the Dartmouth Fire Department (District 1) repeater and both a voted receiver and simulcast transmitter for the Dartmouth Police Department‘s digital P25 encrypted repeater system are also located on this tower.
For more information on one of SEMARA’s systems, simply click on its link to jump to a full description:
- 147.000 Repeater – 2 Meters (VHF)
- 224.800 Repeater – 1.25 Meters (VHF)
- 927.8375 Repeater – 33 Centimeters (UHF)
- 144.390 APRS Digipeater & iGate – 2 Meters (VHF)
147.000 Dartmouth Repeater
SEMARA proudly owns and operates the 147.000 Dartmouth Repeater. It carries the club call sign of W1AEC. It is open to all radio amateurs without requiring membership. This is a wide-area coverage full service 100 watt repeater with an antenna height of about 150 feet above average terrain (HAAT). Fixed and mobile station coverage includes most areas south of Boston, east toward Hyannis on Cape Cod and west toward Providence, Rhode Island and beyond.
In times of emergencies, normal communications must cease to allow for priority traffic. This repeater is affiliated with Massachusetts RACES (Region 2, Sector A). Our sector’s on-air RACES drill is held on this repeater the first Monday of each month at 7:30pm. It also serves as a backup for Eastern Massachusetts ARES/SKYWARN (primary is the 145.490 repeater which is temporarily off the air).
Extending coverage beyond the limits of RF, this repeater system supports the the VoIP networks of AllStarLink, EchoLink and IRLP for inbound and outbound connections. These three networks allow any amateur using the repeater to link to other amateurs across the country or around the world. The internet connection is provided by Comcast Business and is supplied to the repeater site building from the clubhouse via a Point-to-Point (PtP) 5 GHz wireless bridge.
Like the repeater itself, all amateurs are welcome to use these links without requiring membership. The DTMF access codes for IRLP and EchoLink are standard. Simply enter the node number for IRLP or star (*) plus the node number for EchoLink and “73” disconnects either connection. Instructions for our newest addition of AllStarLink added in May 2025 will be coming soon, but it is fully operational for incoming connections.
Please note that after 20-minutes of local inactivity via RF, any active EchoLink or IRLP connection will timeout and be terminated. AllStarLink is setup to allow connections to stay linked without any activity timeout.
Repeater Details
| Location: | Blue Sky Communications Tower 54 Donald Street Dartmouth, Massachusetts |
|
| Established: | 1974 | |
| Call Sign: | W1AEC Formerly WR1ADR |
|
| Band: | 2 Meters (VHF) | |
| Output Frequency: | 147.000 MHz | |
| Input Frequency: | 147.600 MHz (+600 kHz) | |
| CTCSS (PL) In/Out: | 67.0 Hz | |
| Output Power: | 100 Watts | |
| AllStarLink Node: | 646700 | |
| EchoLink Node: | 4210 (W1AEC-R) | |
| IRLP Node: | 4210 | |
| Default Link Status: | Unlinked |
⠀
Equipment Used
| Repeater: | KENWOOD TKR-750 1974 – Homebrew Equipment 1984 – Kendecom KRP 5000 1/2001 – Motorola Micor 7/2004 – Hi Pro R4V/EV1 12/2005 – KENWOOD TKR-750 |
| Controller: | SCOM 7330 |
| Antenna: | CommScope DB224-E Exposed Dipole |
| Duplexer: | Bird Technologies/TX RX Systems |
| Battery Backup: | None |
224.800 Dartmouth Repeater
Repeater Details
| Location: | Blue Sky Communications Tower 54 Donald Street Dartmouth, Massachusetts |
|
| Established: | 2011 | |
| Call Sign: | W1AEC | |
| Band: | 1.25 Meters (VHF) | |
| Output Frequency: | 224.800 MHz | |
| Input Frequency: | 223.200 MHz (-1.6 MHz) | |
| Input Frequency (Aux): | 438.800 MHz (+214 MHz) | |
| CTCSS (PL) In/Out: | 67.0 Hz | |
| Output Power: | 30 Watts | |
| AllStarLink Node: | 646702 Temporarily Out of Service |
|
| EchoLink Node: | None | |
| IRLP Node: | None | |
| Remote Base: | 16 Channel UHF Motorola GM300 |
|
| Default Link Status: | Unlinked |
⠀
Equipment Used
| Repeater: | BridgeCom Systems ComLink™ BCR-220 4/13/2011 – Hi Pro R1 7/16/2015 – BridgeCom BCR-220 |
| Controller: | SCOM 7330 |
| Antenna: | NRG Comet CX-333 |
| Duplexer: | Bird Technologies/TX RX Systems |
| Battery Backup: | None |
927.8375 Dartmouth Repeater
Repeater Details
| Location: | Blue Sky Communications Tower 54 Donald Street Dartmouth, Massachusetts |
|
| Repeater: | Motorola QUANTAR™ | |
| Established: | 9/19/2009 – Motorola MSF5000 | |
| Call Sign: | W1AEC | |
| Band: | 33 Centimeters (UHF) | |
| Output Frequency: | 927.8375 MHz | |
| Input Frequency: | 902.0625 MHz (-25.775 MHz) | |
| CTCSS (PL) Input: | 77.0 Hz | |
| CTCSS (PL) Output: | 67.0 Hz | |
| Output Power: | 100 Watts | |
| AllStarLink Node: | 646900 | |
| EchoLink Node: | None | |
| IRLP Node: | None | |
| Default Link Status: |
NEAR-900 Network (full-time) |
144.390 Dartmouth APRS Digipeater & iGate
The SEMARA APRS station is running the Microsat WX3in1 Plus 2.0 APRS Advanced Digipeater/I-Gate system interfaced to a Motorola GM300. The current configuration was upgraded in April 2025. It’s antenna is located at the top of our 180 foot tower along with the repeaters. More information on how this system works will be added in the future.