IO81QP  -  51.38.22N  -  02.39.48W

























VHF Station Equipment and Information



Location Tutshill, Chepstow, Monmouthshire, United Kingdom
Lat/Lon 51.38.22 N   02.39.48 W
CQ Zone 14
Locator IO81QP
EPC Number 2623
DMC Number 572
QSL Direct, Bureau, LOTW
Home Page


Main Station Transmiter: Yaesu FT847

Output: 100 watts on all bands from 160 meters through to 6 meters, 50 watts on VHF 2 meters and UHF 70 centimeter bands.

Modes: AM, FM, SSB, CW, RTTY, Packet, Satellite.


Control of the radio operating functions is via Ham Radio Deluxe (HRD) software, written by Simon Brown HB9DRV.


The FT 847 is capable of transmitting and receiving via the Amateur radio satellites (including ISS) as it employes split VFOs and a dedicated 'SAT' mode. Using HRD software, it is possible to keep the TX/RX frequency centred during a satellite pass, as HRD will compensate for Doppler Shift effect.


APRS Transmitter: Yaesu FT 1500M

Output: Switched power out of 50/25/10/5 watts. Modes: 2 meter band FM only. The radio, which is actually intended as a 'mobile' rig lends itself well to APRS. It comes with a packet data socket on the rear panel. Power (12v dc) is supplied from a Watson 25amp bench PSU.

APRS radio control software is provided by APRSISCE-32 written by Lynn, KJ4ERJ. Information on APRSISCE can be found at:

The PC which runs APRSISCE software is a Dell Optiplex 780. This PC also runs the weather station. The radio / computer interface is achieved with a Kantronics KAM all mode terminal Node Controller (TNC.)

   The FT1500M transmits a low power (10 watts) beacon every 30 minutes, which contains station location and current weather data. Weather data is provided by Cumulus software, a description of which can be found in the weather section of this site.


The VHF station also has a Yaesu FT480R 2 meter band transceiver.


This was the first radio I bought after gaining my license in 1989. It gives an RF output of 30 watts HI and 1 watt LO in CW, USB, LSB, and FM modes. It also has frequency offsets and tone burst to allow chatting through the Amateur band repeaters. Another example of a mobile radio which functions well as a base station. I use it mainly for monitoring local activity now.





Two Meters:                  Watson W-30 dual band colinear. (APRS)

Seventy Centimeters:     HB9CV Beam.

Rotator:                       Yaesu G450C

Mast:                           7.6 meter Tennamast Lightweight.