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by Daniel Wee
Wed 06 Oct 06 2021 7:35 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 53
Views: 376018

Re: SARTS Repeaters

LNA144 performance

Gain @145.025MHz = 20dB
by Daniel Wee
Wed 06 Oct 06 2021 7:11 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 53
Views: 376018

Re: SARTS Repeaters

2m Bandpass filter performance

Insertion loss @145.025MHz = 0.80dB
by Daniel Wee
Wed 06 Oct 06 2021 6:52 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 53
Views: 376018

Re: SARTS Repeaters

LNA and 2m Bandpass filter

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by Daniel Wee
Fri 01 Oct 01 2021 10:21 pm
Forum: Radios
Topic: AnyTone UV878II Plus (EU/UK)
Replies: 0
Views: 14791

AnyTone UV878II Plus (EU/UK)

Approved for SG ham use.
by Daniel Wee
Sat 25 Sep 25 2021 8:38 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 53
Views: 376018

Re: SARTS Repeaters

X50 was put in place and, as expected, the performance was worse than the X200 and noticeable though not that great. For fringe stations, it was more noticeable. Now looking at LNA candidates to insert between cavity and RX port of the repeater. https://www.downeastmicrowave.com/product-p/l144lna.ht...
by Daniel Wee
Mon 20 Sep 20 2021 3:26 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 53
Views: 376018

Re: SARTS Repeaters

Antenna choices:-

by Daniel Wee
Mon 20 Sep 20 2021 12:03 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 53
Views: 376018

Re: SARTS Repeaters

Lightning protection classes:-
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by Daniel Wee
Sat 18 Sep 18 2021 5:45 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 53
Views: 376018

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: 53
Views: 376018

Re: SARTS Repeaters

SLR-5500 Auxilliary connector pinouts

Current settings
GPIO1 - External PTT
GPIO5 - CSQ
SLR5500-aux.jpg
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