Month: January 2018

Hy End Fed / Scs DSP TNC

Posted onAuthorPD9QLeave a comment

Today I bought a Hy End Fed antenna for the bands 10/15/20/40/80. The radiation direction will be NNE North-northeast and SSW South-southwest. Better East and West but unfortunately that is not a option. This Hy End Fed is made by a Dutch company. https://www.hyendcompany.nl

The antenna I bought is this one.
https://www.hyendcompany.nl/antenna/multiband_8040201510m/product/detail/166/HyEndFed_5_Band_AL_Plaat_40_58_mm_MK3

I also bought a nice small modem. The Scs DPS TNC. It very small 🙂 (about 50 euro`s on sort of ebay)
http://www.scs-ptc.com/en/Modems.html
I hope that it will be possible to operate hf packet on the 105net network. Would love to connect a 300Baud link to the 105net network.

Some details about the Hy End Fed MK3

HyEndFed 5 band for 80/40/20/15/10 Meter
Max. Power : 200 watt PEP, SSB.
Length : 23 meter.

Bandwidth 100 KHz at 80 meters, without tuner.

Aluminum mounting plate with galvanized clamps.
Mast diameter 40 to 58mm.
Enclosure : Polycarbonate IP67, 100% UV resistant.
SO239 Connector Teflon.
All hardware Stainless steel.

Some detials about the ScS DSP TNC

Technical Data

•Universal TNC and APRS position tracker with DSP, 
USB-connection, output to control a switching relay 
(e.g. to switch the radio's power supply). 
NMEA input/output for GPS data, bi-coloured LED's, 
4 DIP switch for the basic configuration.

•Optically isolated USB-connection to the computer, 
generally well filtered I/O's to avoid hum and susceptibility in HF environments. 
Metal case.

•Use of temperature stabilized oscillator (TCXO) 
for high reliablilty under all temperature conditions.

•10..20 V DC supply power, use of highly efficient internal power regulators.

•Mini-Din connector, compatible to the usual transceiver "Packet-Connector".

•Currently implemented protocols: Generally AX.25, level 2.



Modulations

•300 baud AFSK (old HF-Packet standard) with new developed multi-detector: 
The DSP automatically processes a frequency range of +- 400 Hz 
looking for 300 bd transmissions and receives 
all detected signals in PARALLEL. No exact tuning by the user is necessary any more, 
but always perfect reception!

•200/600 baud "HF Robust-Packet", 8-tone PSK, 500 Hz bandwidth, 
automatic frequency tracking (RX) +- 240 Hz.

•1200 baud AFSK (standard Packet-Radio) with special filtering 
to avoid adjacent channel interference, and degradations by AC hum.

•9600/19200 baud direct FSK (G3RUH compatible) with optimized DC removal by the DSP.

Linfbb maintenance scripts modified.

Posted onAuthorPD9Q5 Comments

Brain n1uro has write a script to getting reports sent to you nightly from your maintenance.

/usr/local/lib/fbb/script/maintenance/20_epurmess

#!/bin/bash
LIBDIR=/usr/local/lib/fbb
SYSOP=`/usr/local/sbin/fbbgetconf sysmail`
HADD=`/usr/local/sbin/fbbgetconf call`
MAIL=/usr/local/var/ax25/fbb/mail/mail.in

echo
echo "--- Running epurmess"
echo

$LIBDIR/tool/epurmess
ret=$?

echo "SP $SYSOP@$HADD" >> $MAIL
echo "MSG MAINT at $HADD" >> $MAIL
cat /usr/local/var/ax25/fbb/epurmess.res >> $MAIL
echo "/EX" >> $MAIL
exit $ret

/usr/local/lib/fbb/script/maintenance/20_epurwp

#!/bin/bash
LIBDIR=/usr/local/lib/fbb
MAIL=/usr/local/var/ax25/fbb/mail/mail.in
SYSOP=`/usr/local/sbin/fbbgetconf sysmail`
HADD=`/usr/local/sbin/fbbgetconf call`

echo
echo "--- Running epurwp"
echo

$LIBDIR/tool/epurwp 40 90
ret=$?

echo "SP $SYSOP@$HADD" >> $MAIL
echo "WP MAINT at $HADD" >> $MAIL
cat /usr/local/var/ax25/fbb/epurwp.res >> $MAIL
echo "/EX" >> $MAIL
exit $ret

I have some trouble to get things going so i change some line in the scipt.

I have change the line

SYSOP=`/usr/local/sbin/fbbgetconf sysmail`
HADD=`/usr/local/sbin/fbbgetconf call`

to

SYSOP=`/usr/local/sbin/fbbgetconf -f /usr/local/etc/ax25/fbb/fbb.conf sysop`
HADD=`/usr/local/sbin/fbbgetconf -f /usr/local/etc/ax25/fbb/fbb.conf call`

fbbgetconf needs a option.

Output off the script.

R:180115/0001Z @:PI8LAP.#ZL.NLD.EURO #:20813 [Kortgene] $:20813_PI8LAP

From: PI8LAP@PI8LAP.#ZL.NLD.EURO
To  : PD2LT@

1515974462

File cleared  :   33 private message(s)    
              : 5664 bulletin message(s)   
              : 4665 active message(s)     
              : 1032 killed message(s)     
              : 5697 total message(s)      
              :    8 archived message(s)   
              :   44 destroyed message(s)  
              :    0 Timed-out message(s)  
              :    0 No-Route message(s)   

Start computing     : 18-01-15 02:01
End computing       : 18-01-15 02:01

R:180115/0001Z @:PI8LAP.#ZL.NLD.EURO #:20814 [Kortgene] $:20814_PI8LAP

From: PI8LAP@PI8LAP.#ZL.NLD.EURO
To  : PD2LT@

1515974462

WP updated :   249 total record(s)      
           :     0 updated record(s)    
           :     1 deleted records(s)   
           :     0 WP update line(s)    

Start computing     : 18-01-15 01:01
End computing       : 18-01-15 01:01