Differences

This shows you the differences between two versions of the page.

--- nodes:gb7win [2026/02/28 15:28] – [LinBPQ] g5rkt
+++ nodes:gb7win [2026/03/29 21:39] (current) – [GB7WIN Crab Wood, Winchester] g5rkt
@@ Line 1: / Line 1: @@
 ====== GB7WIN Crab Wood, Winchester ======
-**GB7WIN is now INP3 only, we are hoping to be able to provide end-to-end NETROM connections to nearby nodes but we're still figuring out the gremlins :)**
 GB7WIN was commissioned on 23rd March 2025 by Alan G8IPG and Jason G5RKT as part of [[https://swhr.org.uk/|South West Hampshire Raynet's]] wider project to provide digital voice and data services to amateurs across the wider area and as a spiritual successor to [[nodes:gb7sou|GB7SOU]].
@@ Line 20: / Line 18: @@
 =====Current and planned ports=====
 ^ Port ^ Frequency ^ Antenna   ^ NinoTNC Mode    ^ ERP / Dev. ^ Status ^ Neighbors ^ WebSDR ^
-|2| 144.925MHz \\ 12.5KHz FM | V Omni\\ 3dBd 40mAGL  | 0101 QPSK 3k6 IL2Pc\\ flat "9600" audio   | 14dBW 2.4KHz | online | [[nodes:gb7bdh|GB7BDH]] | [[http://wessex.hopto.org:8070/|Wessex]] |
+|2| 144.925MHz \\ 12.5KHz FM | V Omni\\ 3dBd 40mAGL  | 0100 GFSK 4k8 IL2Pc\\ flat "9600" audio   | 14dBW 2.4KHz | on air | [[nodes:gb7bdh|GB7BDH]] | [[http://wessex.hopto.org:8070/|Wessex]] |
-|4| 70.4875MHz \\ 12.5KHz FM  | V Omni\\ 0dBd 7mAGL   | - | -   | planned | | |
+|4| 70.4875MHz \\ 12.5KHz FM  | V Omni\\ 0dBd 7mAGL   | - | -  | planned | | |
-|6| 50.660MHz \\ 12.5KHz FM  | V Omni\\ 0dBd 40mAGL | 1011 QPSK 2k4 IL2Pc\\ flat "9600" audio    | 13dBW 2.4KHz | online | [[nodes:gb7bdh|GB7BDH]] [[nodes:gb7rdg|GB7RDG]] |[[http://wessex.hopto.org:8070/|Wessex]] |
+|6| 50.660MHz \\ 12.5KHz FM  | V Omni\\ 0dBd 40mAGL | 1011 QPSK 2k4 IL2Pc\\ flat "9600" audio    | 13dBW 2.4KHz | on air | [[nodes:gb7bdh|GB7BDH]] [[nodes:gb7rdg|GB7RDG]] |[[http://wessex.hopto.org:8070/|Wessex]] |
-|7| 432.650MHz \\ 25KHz FM  | V Omni\\ 5dBd 40mAGL   | 0010 GFSK 9k6 IL2Pc\\ flat "9600" audio | 14dBW 5KHz   | offline | [[nodes:mb7npw|MB7NPW?]] | [[http://zepler-websdr.suws.org.uk/|SUWS]] |
+|7| 432.650MHz \\ 25KHz FM  | V Omni\\ 5dBd 40mAGL   | - | - | planned | |
 =====Coverage Model=====
 ^ 2m plot ^ 6m plot ^
@@ Line 34: / Line 32: @@
   * Modified Comet GP-15N @ ~40m AGL / ~200m ASL, 55m Andrews LDF7-50A
   * Raspberry Pi 5 (Debian Bookworm)
-  * 70cm: Tait 8100 (wide filter, R2 / T13 taps)
+  * 2m: [[https://wiki.oarc.uk/radios:tait_tm8100|Tait TM8110]] (narrow filter, R1 / T13 taps)
-  * 2m: Motorola GM380 (narrow filter, flat audio)
+  * 6m: [[https://wiki.oarc.uk/radios:dr-m06th|Alinco DR-M06TH]] (CFW455G filter, discriminator / varactor tapped)
-  * 6m: [[https://wiki.oarc.uk/radios:dr-m06th|Alinco DR-M06TH]] (narrow filter, flat audio)
+  * 2x NinoTNC A4 v3.42 firmware
-  * 3x NinoTNC A4 v3.42 firmware
   * Tx/Rx audio capture on 2m port
 ====LinBPQ====
 **Version**
-<code>G8BPQ AX25 Packet Switch System Version 6.0.25.21 January 2026 (Beta/pilinbpq64)</code>
+<code>G8BPQ AX25 Packet Switch System Version 6.0.25.26 March 2026 (Beta/pilinbpq64)</code>
 **Last updated**
-<code>2026-02-28 09:12 BST</code>
+<code>2026-03-29 22:33 BST</code>
 **Global**
@@ Line 91: / Line 88: @@
 **RF Ports**
 <code>
 PORT
   PORTNUM=2
-  ID=144.925MHz/Nino-0101/QPSK/3k6
+  ID=144.925MHz/Nino-0101/GFSK/4k8
-  M0LTEMapInfo=RF,144.925,QPSK,3600,3600,Mixed
+  M0LTEMapInfo=RF,144.925,GFSK,4800,4800,Mixed
   TYPE=ASYNC
   PROTOCOL=KISS
   KISSOPTIONS=ACKMODE
-  COMPORT=/dev/tnc-2m
+  COMPORT=/dev/tnc-2m-ext
   SPEED=57600
-  TXDELAY=250            ;msec, mostly OK for all stations?
+  TXDELAY=30             ;msec, shortest possible to decode at BDH
-;  TXDELAY=120            ;msec, super reliable at BDH, OK with relay-switched radio
-;  TXDELAY=80             ;msec, shortest possible to decode at BDH
-  TXTAIL=1               ;msec, Needed to prevent NinoTNC sending 30msec tail
   TXTAIL=1               ;msec, Needed to prevent NinoTNC sending 30msec tail
   FRACK=7000             ;msec, Busy channel, 7sec ACK timeout
   PACLEN=236             ;bytes, 236 is max for a NETROM frame
   MAXFRAME=4             ;no., Default frames before ACK
-  RESPTIME=788           ;msec, Delay before L2 ACK (256*8)/3600=568 + TXDELAY +100msec
+  RESPTIME=457           ;msec, Delay before L2 ACK (256*8)/4800=427 + TXDELAY
   RETRIES=10             ;no., L2 retries before failure, default=6
   SLOTTIME=100           ;msec, Wait time before checking PERSIST again
-  PERSIST=255            ;255/(# nodes on link -1) but we can hear everyone
+  PERSIST=255            ;255/(# 5 - 1) Probably ~5 hidden stations, maybe
+;  PERSIST=64            ;255/(# 5 - 1) Probably ~5 hidden stations, maybe
   DIGIFLAG=0             ;Don't digipeat (=1 all, =255 UI only)
@@ Line 135: / Line 129: @@
   SPEED=57600
   TXDELAY=250            ;msec, DR-M06 takes ~150msec to key up
-;  TXDELAY=180            ;msec, DR-M06 takes ~150msec to key up
-;  TXDELAY=500            ;msec, help BDH to decode over the QRM
   TXTAIL=1               ;msec, Needed to prevent NinoTNC sending 30msec tail
   FRACK=8000             ;msec, Needs tuning
   PACLEN=180             ;bytes, 236 is max for a NETROM frame
   MAXFRAME=2             ;Default no. frames before ACK
-  RESPTIME=1153          ;msec, Delay time before L2 ACK (256*8)/2400=853 + TXDELAY + 100msec
+  RESPTIME=1103          ;msec, Delay time before L2 ACK (256*8)/2400=853 + TXDELAY
   RETRIES=10             ;no., L2 retries before failure, default=6
   SLOTTIME=100           ;msec, Wait time before checking PERSIST again
-  PERSIST=128            ;255/(# hidden stations on link - 1) - but we can hear everyone
+;  PERSIST=128
+  PERSIST=255            ;255/(# hidden stations on link - 1) - but we can hear everyone
   DIGIFLAG=0             ;Don't digipeat (=1 all, =255 UI only)
@@ Line 155: / Line 148: @@
   NONORMALIZE=1          ;Disable node quality normalisation algorithm
   IGNOREUNLOCKEDROUTES=1 ;Locked routes only
-ENDPORT
-PORT
-  PORTNUM=7
-  ID=432.650MHz/Nino-0010/GFSK/9k6
-  M0LTEMapInfo=RF,432.650,GFSK,9600,9600,Backbone
-  TYPE=ASYNC
-  PROTOCOL=KISS
-  KISSOPTIONS=ACKMODE
-  COMPORT=/dev/tnc-70cm
-  SPEED=57600
-  TXDELAY=100             ;msec, GM340 keys up fast
-  TXTAIL=1               ;msec, Needed to prevent NinoTNC sending 30msec tail
-  FRACK=4000             ;msec, Needs tuning
-  PACLEN=236             ;bytes, 236 is max for a NETROM frame
-  MAXFRAME=8             ;Default no. frames before ACK
-  RESPTIME=313           ;msec, Delay time before L2 ACK (256*8)/9600=213 + 100msec
-  RETRIES=10             ;no., L2 retries before failure, default=6
-  SLOTTIME=20            ;msec, Wait time before checking PERSIST again
-  PERSIST=255            ;255/(# hidden stations on link - 1) - but we can hear everyone
-  DIGIFLAG=0             ;Don't digipeat (=1 all, =255 UI only)
-  INP3ONLY=1             ;
-;  ENABLEINP3=1           ;Try INP3 when a link is established
-  ALLOWINP3=1            ;Respond to INP3 on this port
-  QUALITY=1              ;Nodes heard on this port get this quality
-  MINQUAL=50             ;Therefore do not broadcast nodes heard on this port
-  NODESPACLEN=160        ;Keep NODES broadcast shorter to help decode
-  NONORMALIZE=1          ;Disable node quality normalisation algorithm
-;  IGNOREUNLOCKEDROUTES=1 ;Locked routes only
 ENDPORT
 </code>