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IW2OHX > BPQ 10.06.25 17:45l 49 Lines 1302 Bytes #7 (0) @ WW
BID : 55766_IW2OHX
Read: JH4XSY GUEST
Subj: LoRa "Packet" port on BPQ32
Path: JH4XSY<IW0QNL<HB9ON<DK0WUE<PD0LPM<VE3CGR<PA8F<PI8LAP<IW2OHX
Sent: 250610/0841Z 55766@IW2OHX.ILOM.ITA.EU BPQ6.0.24
Hi all,
maybe only few OMs in my area will be able to test this, but
it's worth sharing the experiment with a wider audience.
I'm using LoRa since a while for APRS and for "Packet Radio".
What I'm going to write below is about the second.
I've loaded the RNode firmware on my LoRa device and I've configured it
as a KISS TNC. Second step was to connect via serial (with USB
cable) the KISS TNC. The port definition in BPQ32.cfg is just a regular
KISS port.
For my in-house testing I have a similar setup with a laptop.
The transfer rate is pretty decent and the netrom link is stable.
I now have a short external antenna on top of the roof. Next test will
be to go a bit far by car with my portable station. I'll let you know!
Tech info:
Software: LinBPQ running on Ubuntu.
Radio module: LilyGO TTGO Lora32 v2.1.6
USB connected / KISS mode
LoRa module config:
-Device mode : TNC
-Frequency : 433.75 MHz
-Bandwidth : 250.0 KHz
-TX power : 17 dBm (50.119 mW)
-Spreading factor : 9
-Coding rate : 5
-On-air bitrate : 3.52 kbps
Command for for the setup:
[sudo rnodeconf /dev/ttyACM0 -T --freq 433750000 --bw 250000 --txp 17
--sf 9 --cr 5]
Medium Range Fast (3.53Kbps)
Freq: 433750000
BW: 250000
TXP: 20 (dbm)
SF: 9
CR: 5
73 de iw2ohx
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