Search found 994 matches

by Daniel Wee
Tue 15 Nov 15 2022 12:02 am
Forum: Other Stuff
Topic: Renew Letsencrypt certificate
Replies: 0
Views: 38

Renew Letsencrypt certificate

sudo snap install --classic certbot
sudo snap run certbot
by Daniel Wee
Wed 05 Oct 05 2022 12:37 am
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 53
Views: 28781

Re: SARTS Repeaters

Linux kernel 4.15 and higher does not support dahdi 2.11. It needs dahdi 3.1.0 or higher. To get the latest file, do this as root:- cd ~ wget http://downloads.asterisk.org/pub/telephony/dahdi-linux-complete/dahdi-linux-complete-current.tar.gz tar -zxvf dahdi-linux-complete-current.tar.gz cd dahdi-li...
by Daniel Wee
Mon 03 Oct 03 2022 5:04 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 53
Views: 28781

Re: SARTS Repeaters

pi@ :60023 (APRS Direwolf)
admin@: 60024 (ASL) 192.168.88.13
Echolink needs ports 5198, 5199 and optionally 5200 (TCP/UDP)
ASL needs port 4569
by Daniel Wee
Mon 21 Feb 21 2022 1:44 pm
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 53
Views: 28781

Re: SARTS Repeaters

Repeater Layout.png
Repeater Layout.png (344.03 KiB) Viewed 1326 times
by Daniel Wee
Fri 14 Jan 14 2022 8:58 am
Forum: General Discussions
Topic: SARTS Repeaters
Replies: 53
Views: 28781

Re: SARTS Repeaters

AllStarLink hostname repeater
Default user repeater
by Daniel Wee
Thu 30 Dec 30 2021 12:17 am
Forum: General Discussions
Topic: EFHW and transformers
Replies: 5
Views: 2341

Re: EFHW and transformers

https://squashpractice.com/2021/06/23/performance-of-491-ferrite-core-transformers/?fbclid=IwAR1vis8_bEvHLlQhPsAjzY0SdWviThCtxwa3v2eueJaTZ_xKEqKhRQgNFa8 https://squashpractice.com/2021/07/20/engineering-the-efhw-491-transformer-and-antenna/ https://f5npv.wordpress.com/endfed-cmc/?fbclid=IwAR10kPpQU4...
by Daniel Wee
Tue 28 Dec 28 2021 8:18 pm
Forum: General Discussions
Topic: EFHW and transformers
Replies: 5
Views: 2341

Re: EFHW and transformers

import math #material52 = {"Al":325, "ui":250, "B":4200, "H":10, "Br":2900, "Hc":0.6, "Tc":250, "r":10e9, "u1":305, "u2":73.8} # Al = 325 material52 = {"Al":325, "ui":250, "B...
by Daniel Wee
Tue 28 Dec 28 2021 9:00 am
Forum: Radios
Topic: SunSDR2DX
Replies: 5
Views: 2813

Re: SunSDR2DX

by Daniel Wee
Mon 27 Dec 27 2021 12:54 pm
Forum: General Discussions
Topic: EFHW and transformers
Replies: 5
Views: 2341

Re: EFHW and transformers

Comparing a 2x FT240-43, 3x FT-240-52 and 3x FT240-52 auto SWR into a 2450ohm resistor.
by Daniel Wee
Fri 17 Dec 17 2021 11:55 am
Forum: Radios
Topic: SunSDR2DX
Replies: 5
Views: 2813

Re: SunSDR2DX

Code: Select all

GND	Black
TX TTL	Blue
RX TTL	White
RLY	Brown
ALC	Green
Remote	Red

SunSDR	SPE	Board	ESP32
Brown	Brown
Black		GND
	Black	GND
	White		U1TXD (GPIO4)
	Blue LED	U1RXD (GPIO36)
ALC	Green
		GND	GND (3)
		Opto1	GPIO5
	Red	Opto4
Red		Opto3 (1k)