%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% % %% *** T A R L A N P R O G R A M M E T R O M S \ *** % %% % %% FILE: (EXP)SP-EI-SPLITB-V:TLAN % %% % %% % %% VHF SPLIT BEAM EXPERIMENT (CP-4 EMULATION ON VHF SYSTEM) % %% % %% % %% SEPT 1991 Gudmund Wannberg, EISCAT HQ % %% % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% %% NOTE: It is assumed that the receiver has channels 3-8 %% available. Channels 3,4 should be tuned to F5 %% Channels 5,6 should be tuned to F4 %% Channels 7,8 should be tuned to F3 %% %% Channels 3,5,7 are connected to the X port of the %% receiver backend, %% %% Channels 4,6,8 are connected to the Y port %% %% %% R/C PROGRAM NO. 1 %% %% PHASE 1 - TRANSMIT LP ON F5, PP ON F4, CALIBRATE F3 %% AT 1 TRANS,CHQPULS AT 10 RXPROT,LOPROT AT 50 BEAMON,F5 AT 100 RFON AT 1000 RFOFF,F4 AT 1002 RFON AT 1047 RFOFF,BEAMOFF % AT 1050 B7 AT 1051 B7OFF % RESET BUFFER MAP TO ZERO AT 1052 B9 AT 1053 B9OFF % DECREMENT IT TO 3 AT 1200 RXPOFF AT 1300 LOPOFF %% %% %% AT 1360 RECEV AT 2132 CH5,CH6 % PP SIGNAL SAMPLING STARTING AT 170 KM RANGE AT 3455 CH3,CH4 % LP SIGNAL SAMPLING AT 4615 CH5OFF,CH6OFF % 166 SIG SAMPLES EACH ON CH5, CH6 AT 9110 CH7,CH8 % + BG SAMPLING 20+3 GATES AT 13020 ALLOFF,CALON % 20 SIGNAL GATES ON CH4, 3 BG GATES ON CH7/8 % % 20 SIGNAL GATES ON CH3 % AT 13100 CH7,CH8 % CAL. SAMPLING ON CH7/8 AT 13910 STC % STC IN EVERY PHASE WHEN USING MULTIPLE B.M.M. AT 13963 ALLOFF,CAL0 % 2 * 29 CAL. SAMPLES ON EACH OF CH7, CH8 AT 13995 BUFLIP % %% %%------------------------------------------------- %% SETTCR 14000 % START OF PHASE 2 %% %%------------------------------------------------- %% %% PHASE 2 - TRANSMIT LP ON F3, PP ON F5, CALIBRATE F4 %% AT 1 TRANS,CHQPULS AT 10 RXPROT,LOPROT AT 50 BEAMON,F3 AT 100 RFON AT 1000 RFOFF,F5 AT 1002 RFON AT 1047 RFOFF,BEAMOFF AT 1050 B9 % DECREMENT BUFFER MAP TO 2 AT 1051 B9OFF AT 1200 RXPOFF AT 1300 LOPOFF %% %% %% AT 1360 RECEV AT 2132 CH3,CH4 % PP SIGNAL SAMPLING AT 3455 CH7,CH8 % LP SIGNAL SAMPLING AT 4615 CH3OFF,CH4OFF % 166 SIG SAMPLES EACH ON CH3, CH4 AT 9110 CH5,CH6 % + BG SAMPLING 20+3 GATES AT 13020 ALLOFF,CALON % 20 SIGNAL GATES ON CH8, 3 BG GATES ON CH5/6 % % 20 SIGNAL GATES ON CH7 % AT 13100 CH5,CH6 % CAL. SAMPLING ON CH5/6 AT 13910 STC % STC IN EVERY PHASE WHEN USING MULTIPLE B.M.M. AT 13963 ALLOFF,CAL0 % 2 * 29 CAL. SAMPLES ON EACH OF CH5, CH6 AT 13995 BUFLIP %% %%------------------------------------------------- %% SETTCR 28000 % START OF PHASE 3 %% %%------------------------------------------------- %% %% PHASE 3 - TRANSMIT LP ON F4, PP ON F3, CALIBRATE F5 %% AT 1 TRANS AT 10 RXPROT,LOPROT AT 50 BEAMON,F4 AT 100 RFON AT 1000 RFOFF,F3 AT 1002 RFON AT 1047 RFOFF,BEAMOFF AT 1050 B9 % DECREMENT BUFFER MAP TO 1 AT 1051 B9OFF AT 1200 RXPOFF AT 1300 LOPOFF %% %% %% AT 1360 RECEV AT 2132 CH7,CH8 % PP SIGNAL SAMPLING AT 3455 CH5,CH6 % LP SIGNAL SAMPLING AT 4615 CH7OFF,CH8OFF % 166 SIG SAMPLES EACH ON CH7, CH8 AT 9110 CH3,CH4 % + BG SAMPLING 20+3 GATES AT 13020 ALLOFF,CALON % 20 SIGNAL GATES ON CH6, 3 BG GATES ON CH3/4 % % 20 SIGNAL GATES ON CH5 % AT 13100 CH3,CH4 % CAL. SAMPLING ON CH3/4 AT 13910 STC AT 13963 ALLOFF,CAL0 % 2 * 29 CAL SAMPLES ON EACH OF CH3, CH4 AT 13995 BUFLIP % %---------------------------------------------------- % SETTCR 0 % RESET BEFORE REPEAT % %---------------------------------------------------- % AT 42000 REP % BEAM DUTY CYCLE 7.12 % % % RF DUTY CYCLE 6.75 % %% %%