THE GPO / BT RADIOPHONE SERVICE VIRTUAL MUSEUM. 

 

 

   THE B.T.--G.P.O. RADIOTELEPHONE VIRTUAL MUSEUM.

         APRIL 2007, ISSUE NO1.7

 

Dave G8EPR Technical Curator of the Pye Museum  and Radiotelephone Museum website is available by calling G8EPR at GB7WF (DSTAR)

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     FREQUENCIES USED. ALL AM LOW BAND NATIONAL CHANNELS.

                  

Channel Base Mobile
1 85.175 MHZ 71.675 MHZ
2 85.150 MHZ 71.650 MHZ
3 85.200 MHZ 71.700 MHZ
4 85.1625 MHZ 71.6625 MHZ
5 85.1875 MHZ 71.6875 MHZ
6 85.1375 MHZ 71.6375 MHZ

 

     THESE ABOVE FREQUENCIES ARE NOW DISUSED AS OF APPROX YEAR 2000 AS CELL PHONES ETC ARE BOW MORE EFFICIENT.

     71.675MHZ WAS ALSO USED SIMPLEX FOR LINESMAN'S USE WITH THE HUDSON GPO EQUIPMENT NO 3A SET UNTIL THE ADVENT OF THE PYE BANTAM HP1FM. WHICH WAS THEN USED ON 168.2875 MHZ SIMPLEX FM AS USED BY ALL OTHER PORTABLES UNTIL THE PRESENT DAY.....

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  CLEARTONE.

      CH900 PORTABLE GPO TYPE NO 5B2 H/BAND FM.

    2 OFF AND CHARGER HOD UNIT.

     BOUGHT AT RUGBY RADIO RALLY AUG 2004.  

 

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  COSSOR.

                  GPO EQUIPMENT NO    LOWBAND.   

    COSSOR COMMANDO. CC701. 5 WATT .

       6 CHANN DASH MOBILE AM LOWBAND.

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  HUDSON.

                  GPO EQUIPMENT NO 3A LOW BAND.

    HUDSONHED102 AM PORTABLE SINGLE CHANN SIMPLEX

             BATTERY VALVE 500MW TRANSPORTABLE SETS


Marconi RC742

Base Station

 

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  PYE.

 

                  GPO EQUIPMENT NO 7A LOWBAND.

         PYE CAMBRIDGE FIXED STATION  6AM10DX.

          6 CHANN AM WITH AC MAIN PSU FITTED

             ONTO REAR OF SET.

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  PYE.

                  GPO EQUIPMENT NO 10  LOWBAND.

         PYE WESTMINSTER W30AM BOOT MOUNT AM 6 CHANN

                 30 WATTS OUTPUT.

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  PYE.

                  GPO EQUIPMENT NO    LOWBAND.

         PYE REPORTER MF6AM. 6-7 WATT 6 CHANN MOBILE.

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  PYE.

                  GPO EQUIPMENT NO 10A  LOWBAND.

         PYE A200ADD ON 25 WATT AM LINEAR AMPLIFIER.

             AS USED WITH MF6AM REPORTER.

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  PYE.

                  GPO EQUIPMENT NO 1B HIGHBAND.

         PYE LINESMAN (PYE BANTAM.}

              GP1FM FM SIMPLEX PORTABLE.

             TRANSISTOR 500 mW - 1 WATT OUT.

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  PYE.

                  GPO EQUIPMENT NO 8A HIGHBAND.

         PYE PF85. FM SIMPLEX HANDPORTABLE.

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  PHILIPS.

                 B.T. EQUIPMENT NO 10A HIGHBAND.

         PHILIPS. PRP76 FM SIMPLEX HANDPORTABLE.

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  PHILIPS.

          0       B.T. EQUIPMENT NO 15 A CABINET.

         PHILIPS LOCKABLE CABINET FOR INSTALLATION INSIDE BT VANS FOR LINESMAN COMMS USE.

          UNIT HAS 3 WAY STAND IN CHARGER HODS FOR 3 OFF PF85 PORTABLES, 1 USED AS BASE STATION TO FIXED VEHICLE AERIAL.THE TWO OTHER PF85 ARE USED AS NORMAL PORTABLES.

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  PHILIPS

                 B.T. EQUIPMENT NO 15 B CABINET.

          AS ABOVE UNIT BUT THIS CONTAINS

          1 0FF BUILT IN PRM8010 MOBILE AND

          3 WAY CHARGER FOR 3 PRP76 PORTABLES.

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  MOTOROLA.

                 B.T. EQUIPMENT NO   HIGHBAND.

         MOTOROLA. MT500-MT700 FM HANDPORTABLE.

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  SIMOCO.

 

                 B.T. EQUIPMENT NO 10 B HIGHBAND. 

          SIMOCO SRP8010 FM SIMPLEX HANDPORTABLE.

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SYSTEM 4

 




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28 April 2014 09:48:42

All pictures are Dave Hicks 2012 or Martin Briscoe 2012
Please ask permission before using elsewhere

Any addition notes, comments or photographs of any of these sets are very welcome and can be sent to:
Technical queries and comments about The Pye Museum to Dave G8EPR
Website queries and comments to Martin GM8AOB

The site deals mainly with Pye (and other companies) Radio Telephone and Telecommunication equipment.  It is very unlikely that we will be able to answer any questions about Pye domestic radios, radiograms, record players etc etc

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