25 February 2023: 9V1RS VHF Repeater Change log

Published on the 25 February 2023 at 1500 Hours UTC

All Images and text cannot be reproduced without 9V1FH / AI7GW, Fu Hang permission.

On 25 February 2023, I went to the 9V1RS Repeater Site to do maintenance for the EchoLink side as there were issues with EchoLink not allowing users to connect as well to make changes to the type of antenna used to serve the eastern side of Singapore and test how will the performance be for all users of the repeater system.

Samual, 9V1BX, and I arrived at the site at about 1115 hours when the scheduled time was 1100 hrs. Warmly welcomed by the Repeater Host, 9V1HP, Harish, on-site.


Checked all connectors for loose fitting.

Login to the Pi and requested the Repeater Host to check and forward 6 ports to the Pi.

  1. Port 5198 UDP for EchoLink 
  2. Port 5199 UDP for EchoLink 
  3. Port 5200 TCP for Echolink
  4. Port 4569 UDP for AllStarLink Incoming
  5. Port 5038 TCP for Supermon management 
  6. Port 32023 TCP for SSH 
Files configured on-site.
  1. Update HamVoip Software
  2. Add on additional Node Numbers for Repeater at allstarlink.org
  3. Changed Node number from 55766 to 557661
  4. changed Echolink's ASL node number
  5. rpt.conf, to include start-up macro to permanently connect to other repeaters, 9V1RMP and 9V1RSE, and sysadmin node 547120, Disabled CW Beconing enable remote reboot via DTMF.
  6. crontab -e, to include say-time every 30 minutes and restart twice weekly
  7. added callsign to node number.
  8. allmon.ini added other rpt and sysadmin node
  9. global.inc
  10. footer.inc
  11. manager.conf
Settings configured on-site. 
  1. alsamixer change to 88%
Changed of the antenna from vertical Diamond V2000A to arrow antenna 4 elements stacked yagi provided by Ben, 9V1KB. 

All coax connections are sealed with Scotch 130C.

The Diamond V2000A is at 9V1HP Place for safekeeping until 9V1RSE is going to be on air.

All was working when I left the Repeater Site at 1900 Hours.

Will require Stations to test the new antenna system.

I've included some images below. All Images and text cannot be reproduced without 9V1FH / AI7GW, Fu Hang permission.

View at the repeater site.


Web Page of the local host, enable remote operation and monitoring.




The Old Antenna before disassembling.



After disassembling the old antenna.

The right side of the 4 elements stacked yagi.
The left side of the 4 elements stacked yagi.

Sealed Spare coax line.


The Left side interconnect of the stacked yagi.

The main feedline connection to the stacked yagi.

The right side interconnect the stacked yagi. 
View from the yagi.


back of the yagi's view.

The Yagi from the bottom.

The SWR Measurement is 1.01.

All Images and text cannot be reproduced without 9V1FH / AI7GW, Fu Hang permission.

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