‰  NOW 30 WPM  ‰  TEXT IS FROM JULY 2018 QST  PAGE 44‰

INTERMEDIATE FREQUENCY IF CAN BE ENLISTED TO SERVICE.  THERE ARE A NUMBER
OF TRANSVERTERS AVAILABLE TO COVER 630 AND 2200 METERS, RANGING FROM
HOMEBREW AND KIT SOLUTIONS TO FULLY CONSTRUCTED COMMERCIAL UNITS.  SOME
DESIGNS PROVIDE ONLY TRANSMIT CONVERSION, RELYING ON THE TRANSCEIVERS
GENERAL COVERAGE CAPABILITY FOR RECEIVE, OR PRODUCE LOW POWER OUTPUT
REQUIRING AN EXTERNAL AMPLIFIER.  ENTER THE MS TRANSVERTERS MONITOR
SENSORS, AN AUSTRALIAN COMPANY, HAS DEVELOPED A PAIR OF TRANSVERTERS, THE
TVTR1 AND TVTR2, INDIVIDUALLY COVERING 630 AND 2200 METERS.  REQUIRING NO
MORE THAN A TRANSCEIVER CAPABLE OF OPERATION ON 160 METERS AND, OF COURSE,
A SUITABLE ANTENNA, THEY ARE DESIGNED TO WORK INLINE WITH A STATIONS
EXISTING HF SIGNAL PATH, RESULTING IN MINIMAL SETUP AND CONFIGURATION.  THE
TRANSVERTERS PROVIDE TRANSMIT AND RECEIVE CONVERSION, ARE CONVENIENTLY
POWERED FROM A 13R8 V SOURCE, AND SPORT A 50 W CONTINUOUS DUTY CYCLE LINEAR
POWER AMPLIFIER.  THATS ADEQUATE OUTPUT POWER TO REACH THE 5 W EIRP LIMIT
ON 630 METERS WITH AN ANTENNA HAVING AN EFFICIENCY OF AT LEAST 3R4 OR 0R6
ON 2200 METERS TO HIT 1 W EIRP.  HIGHER OUTPUT POWER CAN BE REALIZED WITH
‰  END OF 30 WPM TEXT  ‰  QST DE W1AW  ƒ