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This is a browsable index to the target callsigns and item/object names stored in the aprs.fi database. This index is updated once per hour.

4:
  40Km 42km FNSH 43X.850PU 45AC50 4A 4A0ASM 4AAA46 4AAO
  4ABN-3 4ACA09 4ACA4F 4AE 4AEY-B 4AEY-C 4AGD 4AS
  4AS3 4ASP 4ASP-13 4ATV-5 4AUL-10 4AUL-WX 4B 4BBB-13
  4BFX-3 4BIE-13 4BN-3 4C4BB-1 4CA71A 4CAB 4CCO-2 4CJR-B
  4CPF-1 4CYA 4CZ-1 4D 4D1Z-5 4DBE-9 4DJC-10 4DJL-B
  4DOC-B 4DVE-1 4DYR 4E1ADW 4E1BHP-1 4E1EEE 4E1EGH 4E1EGH B
  4E1EGH-B 4E1EGH-N 4E3KCR 4EGV-13 4EGV-4 4EJ-1 4EO 4EXY-N
  4F 4F1BYN 4F1GNW 4F1GNW-R 4F1LDR 4F1OZ 4F1RYY-N 4F2CXI
  4F2DXY 4F2RV 4F2V B 4F2V-B 4F2V-N 4F2ZZZ-N 4F3XAN 4F4IX
  4F4IX B 4F4IX-B 4F7DAD 4F8RS 4F8RS-9 4F9RIQ 4FAAJ 4FAAJ-10
  4FAAJ-5 4FAAJ-7 4FAST 4FAST-1 4FAY-4 4FBS-13 4FBU-13 4FDS
  4FM-A 4FM-C 4FNIQ 4FNIQ-9 4FRL 4FUN-12 4G-LITE 4G-LITE-2
  4G-LITE-3 4G-LITE-4 4G1ABP-N 4G1AMS-DP 4G1AOU-N 4G1AZZ 4G1AZZ-R 4G1BAJ
  4G1BBT-10 4G1BGC 4G1BGC-N 4G1BKI-10 4G1BMX 4G1BMX-10 4G1BMX-5 4G1COC
  4G1COC-1 4G1DXT 4G1DXT B 4G1DXT-9 4G1EBG-N 4G1EVJ B 4G1EVJ-1 4G1EVJ-B
  4G1EVJ-DP 4G1FAN-N 4G1JVV-N 4G1MHL 4G1MZD 4G1MZF 4G1NNK B 4G1NNK-B
  4G1NNK-N 4G1QBX 4G4S 4G4S B 4G4S-B 4G4S-N 4G7RAZ 4G7RAZ-N
  4GAK 4GCF-13 4GDX-B 4GLE-4 4GLE-9 4GN-10 4H1AXJ B 4H1AXJ-B
  4H1FRR 4HAX-9 4HBO-4 4HBO-5 4HF-1 4HGF-9 4HIC-5 4HOQ-10
  4HPT-B 4HS3AU 4I1AAK 4I1ABQ 4I1AFT 4I1AGD 4I1AGD-N 4I1AGJ
  4I1AGJ-9 4I1ANE 4I1AOB 4I1AYZ 4I1AYZ A 4I1AYZ B 4I1AYZ-10 4I1AYZ-11
  4I1AYZ-12 4I1AYZ-5 4I1AYZ-9 4I1AYZ-A 4I1AYZ-B 4I1AYZ-N 4I1AYZ-R 4I1BAM
  4I1BAM B 4I1BAM-B 4I1BIL 4I1BIL-1 4I1BIL-10 4I1BIL-2 4I1BIL-4 4I1BIL-5
  4I1BIL-7 4I1BIL-N 4I1BIR 4I1BIR-7 4I1BIR-8 4I1BIR-9 4I1BIR-N 4I1BKZ-10
  4I1DYK-N 4I1EBD B 4I1EBD-B 4I1EBD-N 4I1GAB 4I1GAB-10 4I1JVV-N 4I1MZC
  4I1RAC 4I1RAC-1 4I1RAC-10 4I1RAC-5 4I1RAC-7 4I1SHB-2 4I7RAZ 4I7RAZ B
  4I7RAZ-9 4I7RAZ-B 4I7RAZ-N 4I7RBE-N 4I8CFN 4I8CFN B 4I8CFN-B 4I8CFN-R
  4I8DY 4I8DY-N 4I8DY-R 4I8GL-N 4I9AN 4I9AN-1 4I9AN-2 4I9AN-N
  4ICE 4IDX-7 4IIA 4IY 4J6AJ-9 4JB 4JDH-A 4JEX-2
  4JT-2 4K2GG 4K3 4K3DC 4K3M 4K3M-L 4K6AG 4K6AQ
  4K6AQ-5 4K6RKS 4K6RMA 4K6RMA-10 4K6RMA-3 4K6RMA-L 4K6VS-1 4K6VS-5
  4KJQ-10 4LE-9 4LM-2 4LN-1 4LN-2 4LTX-4 4MAB-C 4MC-N
  4MDC-1 4MDC-8 4ML 4MLN-1 4MLN-2 4MLN-3 4MT-R 4MUW-4
  4N8KM-4 4NBE-13 4NDF 4NF-2 4NFG-1 4NHA-10 4O/IC-012 4O/IC-035
  4O/IC-071 4O/JC-014 4O/JC-095 4O/ZC-063 4O/ZC-095 4O/ZC-117 4O0DPG-R 4O0LHN
  4O0LHN B 4O0LHN C 4O0LHN-B 4O0LHN-C 4O0LHN-R 4O0LPG 4O0LPG C 4O0LPG-C
  4O0LPG-R 4O0MNE 4O0MNE B 4O0MNE-B 4O0MNE-R 4O0UKO 4O0UKO B 4O0UKO-B
  4O0UKO-R 4O0VBA 4O0VBA C 4O0VBA-C 4O0VBA-R 4O0VDU 4O0VDU C 4O0VDU-C
  4O0VDU-R 4O0VKO 4O0VKO C 4O0VKO-10 4O0VKO-5 4O0VKO-C 4O0VKO-R 4O1KZL-8
  4O1UOB B 4O1UOB-B 4O1UOB-R 4O3ROK 4O3RR-5 4O3TGC B 4O3TGC-B 4O3TGC-N
  4O44 23 1 4O4DAD-5 4O4DMC-5 4O4T 4O4T/P 4O5JD 4O5JON-5 4O5PVR-5
  4O5RKM-5 4O6ATU 4O6AUV 4O6BAR 4O6BLM 4O6DTM 4O6DTM B 4O6DTM-B
  4O6DTM-R 4O6DXC-7 4O6DXC-DP 4O6DXC-N 4O6GAA 4O6GAA B 4O6GAA-1 4O6GAA-B
  4O6GAA-N 4O6GAS 4O6GBA 4O6KLM 4O6PAD 4O6RD-5 4O6ZBN-5 4O7JAZ
  4O9ABA-5 4O9DNM-5 4O9KOM 4O9KOM B 4O9KOM-1 4O9KOM-5 4O9KOM-7 4O9KOM-B
  4O9KOM-N 4OBI 4PDG 4PK3ORW 4PKC5TT 4PVE2DA 4PVE2JJ 4Q
  4QEP 4QEP-13 4RAT 4RAT-5 4RC-B 4RMN-13 4RMN-3 4RMP
  4RQ-5 4RYZ-1 4S 4S5GSD B 4S5GSD-10 4S5GSD-B 4S5SC B 4S5SC-B
  4S5SC-DP 4S5SC-N 4S5SC-R 4S5SN-10 4S6CBD 4S6CBD B 4S6CBD Z 4S6CBD-B
  4S6CBD-N 4S6CBD-Z 4S6NCH 4S6RYD-N 4S7EF-DP 4S7EF-N 4S7JL 4SD-9
  4SG-2 4SK 4SKY 4SNA-2 4SP-13 4SQN-5 4SVC 4T
  4T-4 4TDM 4TFW-1 4th Mile 4TO 4TOM 4TQR-1 4TTS
  4TUB 4U-B 4U1A 4UC-3 4UIA 4ULD-7 4USN-5 4UYP-10
  4UYP-9 4VA-10 4WD-5 4WDR-9 4WGN 4WIV 4WWM-B 4X-EHI
  4X/NI-009 4X/NI-010 4X1DA B 4X1DA-5 4X1DA-B 4X1DA-N 4X1HJ B 4X1HJ-B
  4X1KS B 4X1KS-B 4X1KS-N 4X1MB-DP 4X1SI 4X1SI-10 4X1SI-11 4X1SI-9
  4X1TI 4X1UF-11 4X1ZQ 4X1ZQ-5 4X4EB 4X4EB-1 4X4EB-10 4X4EB-2
  4X4EB-5 4X4EB-6 4X4EB-8 4X4EB-9 4X5AJ 4X5AS-10 4X5AS-5 4X5DL
  4X5DL-10 4X5DL-14 4X5DL-7 4X5DL-9 4X5DL-N 4x5fd 4X5MG-2 4X5MG-5
  4X5MG-7 4X5RM B 4X5RM-B 4X6AX 4X6AX-N 4X6QB B 4X6QB-B 4X6UB
  4X6UB-11 4XTT 4XWC 4Y 4Y-10 4YR 4Z1 4Z1AAD-N
  4Z1AC 4Z1AR 4Z1AR-9 4Z1DZ B 4Z1DZ-B 4Z1ED-6 4Z1ED-8 4Z1ED-9
  4z1iz 4Z1JJ-4 4Z1UG 4Z1VC B 4Z1VC-B 4Z1YR B 4Z1YR-B 4Z4DP
  4Z4DR-5 4Z4TJ-5 4Z5AB-10 4Z5AB-5 4Z5AB-8 4Z5DZ-10 4Z5LA-10 4Z5PT B
  4Z5PT-B 4Z5PT-N 4Z5RU 4Z5RU-H0 4Z5SL 4Z5VI-5 4Z5VK-3 4Z5VK-9
  4Z5YR 4Z5YR-7 4Z5ZN B 4Z5ZN-B 4Z7CAC-N 4Z7DFA-10 4Z7HKA 4Z7HKA-13
  4Z7HKA-15 4Z7HKA-6 4ZK-1 4ZZ 4ZZK-1
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