Pye Telecom
Fixed Stations in the 1960s
PTC3600
PTC3600
1960
1960
PTC3600 and other similar models was a very high-power amplitude modulated radiotelephone transmitter.
PTC3600 and other similar models was a very high-power amplitude modulated radiotelephone transmitter.
This specialist VHF AM 1000-Watt transmitter was initially designed for ground-to-air communications with aircraft travelling across the Atlantic Ocean.
This specialist VHF AM 1000-Watt transmitter was initially designed for ground-to-air communications with aircraft travelling across the Atlantic Ocean.
In the mid 1950s Pye Telecom assisted airlines Pan-Am and TWA with trials of communication across the Atlantic using a technique termed tropospheric scattering.
In the mid 1950s Pye Telecom assisted airlines Pan-Am and TWA with trials of communication across the Atlantic using a technique termed tropospheric scattering.
The equipment was housed in a pair of 7-foot high rack & panel cabinets and was designed and manufactured by the Pye Telecom subsidiary in Finglas, Dublin.
The equipment was housed in a pair of 7-foot high rack & panel cabinets and was designed and manufactured by the Pye Telecom subsidiary in Finglas, Dublin.
PTC2702/8701/8710
PTC2702/8701/8710
1960
1960
PTC2702/8701/8710 was part of the third generation of Pye Telecom fixed station valve transmitter-receivers.
PTC2702/8701/8710 was part of the third generation of Pye Telecom fixed station valve transmitter-receivers.
This standard VHF 20-Watt VHF AM or FM radiotelephone was part of the ‘Pye Ranger’ generation of mobile equipment and was also available as a 5-Watt UHF FM version for use with the new Pye PF1 ‘Pocketfone’.
This standard VHF 20-Watt VHF AM or FM radiotelephone was part of the ‘Pye Ranger’ generation of mobile equipment and was also available as a 5-Watt UHF FM version for use with the new Pye PF1 ‘Pocketfone’.
It was an all-valve receiver and transmitter which introduced the concept of fitting the Pye Ranger mobile equipment chassis into a fixed station rack and panel style construction.
It was an all-valve receiver and transmitter which introduced the concept of fitting the Pye Ranger mobile equipment chassis into a fixed station rack and panel style construction.
F27AM/F60FM
F27AM/F60FM
1963
1963
F27AM/F60FM, as the Pye Telecom fourth generation, was a major milestone in fixed station equipment design.
F27AM/F60FM, as the Pye Telecom fourth generation, was a major milestone in fixed station equipment design.
It was a hybrid valve-transistor equipment sharing the Pye Ranger series valve transmitters and introducing the solid state transistorised receivers from the Pye Cambridge series of PMR mobiles.
It was a hybrid valve-transistor equipment sharing the Pye Ranger series valve transmitters and introducing the solid state transistorised receivers from the Pye Cambridge series of PMR mobiles.
The F27AM was the 25-Watt VHF product and the F60FM the 60-Watt FM product.
The F27AM was the 25-Watt VHF product and the F60FM the 60-Watt FM product.
F300AM
F300AM
1963
1963
F300AM was a high power 300-Watt fixed station transmitter.
F300AM was a high power 300-Watt fixed station transmitter.
As the Pye Telecom fourth generation, it was a major milestone in fixed station equipment design.
As the Pye Telecom fourth generation, it was a major milestone in fixed station equipment design.
It was a hybrid valve-transistor equipment sharing the Pye Ranger series valve transmitters and introducing the solid state transistorised receivers from the Pye Cambridge series of PMR mobiles.
It was a hybrid valve-transistor equipment sharing the Pye Ranger series valve transmitters and introducing the solid state transistorised receivers from the Pye Cambridge series of PMR mobiles.
The F27AM was the 25-Watt VHF product and the F60FM the 60-Watt FM product.
The F27AM was the 25-Watt VHF product and the F60FM the 60-Watt FM product.
T30FM/R16/R17 and T17FM/R16FM/R17FM
T30FM/R16/R17 and T17FM/R16FM/R17FM
1967
1967
T30FM/R16/R17 and T17FM/R16FM/R17FM
T30FM/R16/R17 and T17FM/R16FM/R17FM
were fifth generation all solid-state transmitter-receivers based on the Pye Westminster transistor technology printed circuit boards. The Westminster was the world’s first all solid-state VHF radiotelephone.
were fifth generation all solid-state transmitter-receivers based on the Pye Westminster transistor technology printed circuit boards. The Westminster was the world’s first all solid-state VHF radiotelephone.
The T30FM transmitter provided 30-Watts RF output and the T17FM gave 15-Watts. A high power forced-air cooled T100FM using a valve in the final amplifier stage was also available.
The T30FM transmitter provided 30-Watts RF output and the T17FM gave 15-Watts. A high power forced-air cooled T100FM using a valve in the final amplifier stage was also available.
The fixed station receivers had the addition of high-selectivity band-pass filtering to withstand the high level of interfering signals experienced on shared communal radio sites.
The fixed station receivers had the addition of high-selectivity band-pass filtering to withstand the high level of interfering signals experienced on shared communal radio sites.
The lower power UHF FM equivalent was the T460/R460 combination.
The lower power UHF FM equivalent was the T460/R460 combination.
T30AM/R6AM/R7AM
T30AM/R6AM/R7AM
1967
1967
T30AM/R6AM/R7AM were fifth generation amplitude modulation transmitter-receivers based on the Pye Westminster transistor technology printed circuit boards.
T30AM/R6AM/R7AM were fifth generation amplitude modulation transmitter-receivers based on the Pye Westminster transistor technology printed circuit boards.
The Westminster was the world’s first all solid-state VHF radiotelephone.
The Westminster was the world’s first all solid-state VHF radiotelephone.
The transmitter power amplifier still used a thermionic valve in the final output stage and a high power forced-air cooled T100FM was also available.
The transmitter power amplifier still used a thermionic valve in the final output stage and a high power forced-air cooled T100FM was also available.
The fixed station receivers had the addition of high-selectivity band-pass filtering to withstand the high level of interfering signals experienced on shared communal radio sites.
The fixed station receivers had the addition of high-selectivity band-pass filtering to withstand the high level of interfering signals experienced on shared communal radio sites.