Search found 958 matches

by Daniel Wee
Sat 18 Sep 18 2021 5:45 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 41
Views: 9283

Re: SARTS Repeaters

18 Sep 2021 CPS 2.0 finally connected to the repeater after installation of the RNDIS drivers. The following are the current settings:- 1. Power at 35W (25W into antenna after 1.5dB cavity loss) 2. CTCSS 156.7Hz 3. Time out timer at 300s (5mins) 4. Hang-time 1s 5. Analog only mode 6. Voice de &...
by Daniel Wee
Sat 18 Sep 18 2021 11:03 am
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 41
Views: 9283

Re: SARTS Repeaters

SLR-5500 Auxilliary connector pinouts

SLR5500-aux.jpg
SLR5500-aux.jpg (220.59 KiB) Viewed 7 times
by Daniel Wee
Fri 17 Sep 17 2021 9:28 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 41
Views: 9283

Re: SARTS Repeaters

The Motorola CPS 2.0 software is used to program the repeater profile but an RNDIS driver is required before Windows 10 recognizes the USB port as a network device.
by Daniel Wee
Thu 16 Sep 16 2021 11:31 pm
Forum: General Discussions
Topic: websdr
Replies: 1
Views: 17

Re: websdr

The actual server code are the python scripts in the PY directory. Within these scripts are defined the ports that are used to exchange data. Specifically, the TX/RX ports are defined in:- remote_rx_audio.py - 8001 remote_rx_para.py - 8003 remote_rx_spectre.py - 8002 remote_tx_audio.py - 8004 remote...
by Daniel Wee
Wed 15 Sep 15 2021 10:04 pm
Forum: General Discussions
Topic: Source for antenna making hardware
Replies: 0
Views: 11

Source for antenna making hardware

KIAN HUAT METAL PTE LTD
11 Pioneer Road North #01-68
Singapore 628462

CHIP AIK ALUMINIUM (PTE) LTD
11 Kian Teck Way
Singapore 628736
by Daniel Wee
Wed 15 Sep 15 2021 7:40 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 41
Views: 9283

Re: SARTS Repeaters

The current setting for the repeater:- TX 145.625MHz RX 145.025MHz CTCSS 156.7Hz Output power 25W Time-out-timer 1-minute Mode: Analog The plan is to get the license for the CPS software so that we can adjust these values. This requires a license key and is tied to the laptop on which the software i...
by Daniel Wee
Wed 15 Sep 15 2021 7:32 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 41
Views: 9283

Re: SARTS Repeaters

We now have the Motorola SLR-5300 installed and working. Cavities are tuned. Currently using the Yagi antenna on the upper balcony with SWR of about 1:1.4 measured at the TX port of the cavity. The radio does not overheat, nor drift appreciably in frequency with heavy usage. As the repeater now come...
by Daniel Wee
Wed 15 Sep 15 2021 3:50 pm
Forum: General Discussions
Topic: websdr
Replies: 1
Views: 17

websdr

by Daniel Wee
Mon 13 Sep 13 2021 3:24 pm
Forum: Radios
Topic: Retevis RT-95 VHF/UHF
Replies: 4
Views: 3176

Re: Retevis RT-95 VHF/UHF

This has now been upgraded with a Raspberry Pi 4. The RT-95 volume setting is still set to 12 but the alsamixer L-R mic capture is set to maximum, while the RPi4 volume is set around 56.
by Daniel Wee
Thu 09 Sep 09 2021 11:33 pm
Forum: General Discussions
Topic: Packet Radio (AX.25)
Replies: 12
Views: 3585

Re: Packet Radio (AX.25)

The screened direwolf process is started in /etc/rc.local which runs it as root with the line:-

Code: Select all

screen -dm direwolf -c /home/pi/direwolf.conf