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nodes:gb7win [2026/03/29 18:11] – [Hardware] g5rktnodes:gb7win [2026/03/29 21:39] (current) – [GB7WIN Crab Wood, Winchester] g5rkt
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 ====== GB7WIN Crab Wood, Winchester ====== ====== 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]]. 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]].
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 =====Current and planned ports===== =====Current and planned ports=====
 ^ Port ^ Frequency ^ Antenna   ^ NinoTNC Mode    ^ ERP / Dev. ^ Status ^ Neighbors ^ WebSDR ^ ^ Port ^ Frequency ^ Antenna   ^ NinoTNC Mode    ^ ERP / Dev. ^ Status ^ Neighbors ^ WebSDR ^
-|2| 144.925MHz \\ 12.5KHz FM | V Omni\\ 3dBd 40mAGL  | 0100 GFSK 4k8 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   | - | - | planned | | |7| 432.650MHz \\ 25KHz FM  | V Omni\\ 5dBd 40mAGL   | - | - | planned | |
 =====Coverage Model===== =====Coverage Model=====
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   * Modified Comet GP-15N @ ~40m AGL / ~200m ASL, 55m Andrews LDF7-50A   * Modified Comet GP-15N @ ~40m AGL / ~200m ASL, 55m Andrews LDF7-50A
   * Raspberry Pi 5 (Debian Bookworm)   * Raspberry Pi 5 (Debian Bookworm)
-  * 2m: Tait TM8110 (narrow filter, R1 / T13 taps)+  * 2m: [[https://wiki.oarc.uk/radios:tait_tm8100|Tait TM8110]] (narrow filter, R1 / T13 taps)
   * 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]] (CFW455G filter, discriminator / varactor tapped)
   * 2x NinoTNC A4 v3.42 firmware   * 2x NinoTNC A4 v3.42 firmware
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 ====LinBPQ==== ====LinBPQ====
 **Version** **Version**
-<code>G8BPQ AX25 Packet Switch System Version 6.0.25.24 February 2026 (Test/pilinbpq64)</code> +<code>G8BPQ AX25 Packet Switch System Version 6.0.25.26 March 2026 (Beta/pilinbpq64)</code> 
  
 **Last updated** **Last updated**
-<code>2026-03-29 19:04 BST</code>+<code>2026-03-29 22:33 BST</code>
  
 **Global** **Global**
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 **RF Ports** **RF Ports**
 <code> <code>
- 
 PORT PORT
   PORTNUM=2   PORTNUM=2
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   COMPORT=/dev/tnc-2m-ext   COMPORT=/dev/tnc-2m-ext
   SPEED=57600   SPEED=57600
-  TXDELAY=200            ;msec, OK for all stations? +  TXDELAY=30             ;msec, shortest possible to decode at BDH
-;  TXDELAY=150            ;msec, OK with relay-switched 857d +
-;  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   FRACK=7000             ;msec, Busy channel, 7sec ACK timeout
   PACLEN=236             ;bytes, 236 is max for a NETROM frame   PACLEN=236             ;bytes, 236 is max for a NETROM frame
   MAXFRAME=4             ;no., Default frames before ACK   MAXFRAME=4             ;no., Default frames before ACK
-  RESPTIME=726           ;msec, Delay before L2 ACK (256*8)/4800=726 + TXDELAY +100msec+  RESPTIME=457           ;msec, Delay before L2 ACK (256*8)/4800=427 + TXDELAY
   RETRIES=10             ;no., L2 retries before failure, default=6   RETRIES=10             ;no., L2 retries before failure, default=6
   SLOTTIME=100           ;msec, Wait time before checking PERSIST again   SLOTTIME=100           ;msec, Wait time before checking PERSIST again
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   IGNOREUNLOCKEDROUTES=1 ;Locked routes only   IGNOREUNLOCKEDROUTES=1 ;Locked routes only
 ENDPORT ENDPORT
- 
  
 PORT PORT
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   SPEED=57600   SPEED=57600
   TXDELAY=250            ;msec, DR-M06 takes ~150msec to key up   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   TXTAIL=1               ;msec, Needed to prevent NinoTNC sending 30msec tail
   FRACK=8000             ;msec, Needs tuning   FRACK=8000             ;msec, Needs tuning
   PACLEN=180             ;bytes, 236 is max for a NETROM frame   PACLEN=180             ;bytes, 236 is max for a NETROM frame
   MAXFRAME=2             ;Default no. frames before ACK   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   RETRIES=10             ;no., L2 retries before failure, default=6
   SLOTTIME=100           ;msec, Wait time before checking PERSIST again   SLOTTIME=100           ;msec, Wait time before checking PERSIST again
nodes/gb7win.1774807880.txt.gz · Last modified: by g5rkt
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