Signal Index Database

@article{mk119_spyset_issue78_2026,

title = {Mk119 "spyset"},

author = {Brian (M1JLM) Murfitt},

year  = {2026},

date = {2026-01-01},

urldate = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {03–12,31},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{british_army_larkspur-era_c41_r222_radio_relay_part_2_issue78_2026,

title = {British Army Larkspur-era C41/R222 Radio Relay, Part 2},

author = {Brian (G3YVW) Blackwell},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {13–17},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{why_mcw_issue78_2026,

title = {Why MCW?},

author = {Trevor (PA3BOH) Sanderson},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {18},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{a_century_of_ssb_radio_issue78_2026,

title = {A Century of SSB Radio},

author = {Tony (G3LNP) Preedy},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {19–22},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{a_bluetooth_programmable_local_oscillator_issue78_2026,

title = {A Bluetooth Programmable Local Oscillator},

author = {Alan (G6MXT) Riley},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {23–31},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{disbanding_the_raf_voluntary_radio_reserve_rafvrr_issue78_2026,

title = {Disbanding the RAF Voluntary Radio Reserve (RAFVRR)},

author = {Andy (GØSFJ) Thomas},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {32},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{the_nz_marconi_dfg24_2_wwii_direction_finder_part_3_issue78_2026,

title = {The NZ Marconi DFG24/2 WWII Direction Finder, Part 3},

author = {Angus Bromley},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {33–34},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{me_and_my_18_set_mkiii_issue78_2026,

title = {Me and My 18-Set MkIII},

author = {Ron (G3YUH) Ayling},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {35–38},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{collins_618f_aviation_transceiver_issue78_2026,

title = {Collins 618F Aviation Transceiver},

author = {Ray (VK2NO) Robinson},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {39–42},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{royal_navy_w_t_station_hms_flowerdown_issue78_2026,

title = {Royal Navy W/T Station: HMS Flowerdown},

author = {Michael (EI3KO) Kirwan},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {43–49},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{tricks_of_the_trade_issue78_2026,

title = {Tricks of the Trade},

author = {Dave (G4OYX) Porter and Tony (G3LNP) Preedy},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {50–54},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{the_lorenz_sz42_tunny_and_its_origins_issue78_2026,

title = {The Lorenz SZ42 (Tunny) and Its Origins},

author = {Nick Mattey},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {55–64},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{who_really_did_invent_the_superheterodyne_issue78_2026,

title = {Who Really DID Invent the Superheterodyne?},

author = {Peter (SK) Lankshear},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {65–68},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{what_kind_of_radio_amateurs_are_we_issue78_2026,

title = {What Kind of Radio Amateurs Are We?},

author = {Richard (F4WCD/ZS6TF) Dismore},

year  = {2026},

date = {2026-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {February},

issue = {78},

pages = {69–71},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{bandpass_impedance_matching_issue77_2025,

title = {Bandpass Filter Design. Part 7: Impedance Matching},

author = {Richard (G3OTK) Harris},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {03–04},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{bandpass_compensating_inductor_losses_issue77_2025,

title = {Bandpass Filter Design. Part 8: Compensating for Inductor Losses},

author = {Richard (G3OTK) Harris},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {05–07},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{bandpass_filter_measurements_issue77_2025,

title = {Bandpass Filter Design. Part 9: Filter Measurements},

author = {Richard (G3OTK) Harris},

year  = {2025},

date = {2025-11-01},

urldate = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {08–10},

publisher = {VMARS},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{royal_navy_wireless_1904_1913_issue77_2025,

title = {Royal Navy Wireless Stations in the UK 1904–1913},

author = {Michael (EI3KO) Kirwan},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {11–16,26},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{bandolier_loop_antenna_issue77_2025,

title = {The Bandolier Loop: An Antenna for Special Applications},

author = {Brian (G0GSF) Austin},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {17–26},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{dds_crystal_replacement_issue77_2025,

title = {Direct Digital Synthesis for Crystal Replacement},

author = {John (G8GEV) Moore and Brian (G4VYG) Roberts},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {27–32},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{rudolf_formis_radio_amateur_issue77_2025,

title = {Rudolf Formis: Germany’s First Licenced Radio Amateur},

author = {Nick Mattey},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {33–34},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{polish_bp5_spyset_issue77_2025,

title = {Polish BP-5 ``Spyset''},

author = {Brian (M1JLM) Murfitt},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {35–41},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{quiet_centenary_issue77_2025,

title = {The Quiet Centenary},

author = {Richard (F4WCD/ZS6TF) Dismore},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {42–44},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{nz_marconi_dfg24_2_part2_issue77_2025,

title = {The NZ Marconi DFG24/2 WWII Direction Finder. Part 2},

author = {Rex Johnson},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {45–51,54},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{clansman_prc320_unit5_psu_issue77_2025,

title = {The Clansman PRC320: Later Versions of the Unit 5 Power Supply},

author = {Roland (G0GSA) Hall},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {52–54},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{tricks_of_the_trade_2025_issue77,

title = {Tricks of the Trade},

author = {Dave (G4OYX) Porter and Tony (G3LNP) Preedy},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {55–60},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{larkspur_c41_r222_part1_issue77_2025,

title = {British Army Larkspur Era C41/R222 Radio Relay. Part 1},

author = {Brian (G3YVW) Blackwell},

year  = {2025},

date = {2025-11-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {November},

issue = {77},

pages = {61–71},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{bandpass_hf_response_issue76_2025,

title = {Bandpass Filter Design. Part 4: Improving the HF-Side Response},

author = {Richard (G3OTK) Harris},

year  = {2025},

date = {2025-08-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {August},

issue = {76},

pages = {03–04},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{bandpass_bartletts_bisection_issue76_2025,

title = {Bandpass Filter Design. Part 5: Bartletts Bisection Theorem},

author = {Richard (G3OTK) Harris},

year  = {2025},

date = {2025-08-01},

urldate = {2025-08-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {August},

issue = {76},

pages = {05–06},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{bandpass_inductor_losses_issue76_2025,

title = {Bandpass Filter Design. Part 6: Losses in Inductors},

author = {Richard (G3OTK) Harris},

year  = {2025},

date = {2025-08-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {August},

issue = {76},

pages = {07–08},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{soe_type_b_mk1_issue76_2025,

title = {SOE Type B Mk.I Spyset},

author = {Brian (M1JLM) Murfitt},

year  = {2025},

date = {2025-08-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {August},

issue = {76},

pages = {09–15},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{rf_noise_interference_issue76_2025,

title = {Fighting Back Against RF Noise and Interference},

author = {Victor Jenkins},

year  = {2025},

date = {2025-08-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {August},

issue = {76},

pages = {16–24},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{new_shack_issue76_2025,

title = {A New Shack},

author = {Richard (F4WCD/ZS6TF) Dismore},

year  = {2025},

date = {2025-08-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {August},

issue = {76},

pages = {25–33},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{schonland_other_legacy_issue76_2025,

title = {Schonland’s Other Legacy},

author = {Brian (G0GSF) Austin},

year  = {2025},

date = {2025-08-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {August},

issue = {76},

pages = {34–46},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{matching_50_ohms_t1154_issue76_2025,

title = {Matching 50 Ohms with the T1154},

author = {Richard (F4WCD/ZS6TF) Dismore},

year  = {2025},

date = {2025-08-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {August},

issue = {76},

pages = {45–46},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{collins_618t3_restoration_issue76_2025,

title = {Collins 618T3 Restoration},

author = {Thierry (M1DRT) Delaitre},

year  = {2025},

date = {2025-08-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {August},

issue = {76},

pages = {49–57},

abstract = {This article presents the restoration of a Collins 618T3 airborne HF transceiver, and outlines the systematic approach taken to diagnose and resolve five significant faults affecting its operation. The restoration process addressed issues with external power supplies, frequency offsets, and intermittent transmission failures, requiring detailed troubleshooting of components such as snubber circuits, relays, and control switch wafers. The author leveraged technical documentation, community expertise, and practical experimentation to restore the radio’s full functionality, highlighting both the technical challenges and the enduring quality of Collins engineering. The project demonstrates the value of methodical restoration practices and celebrates the satisfaction of returning a vintage communications classic to reliable service.},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{nz_marconi_dfg24_2_part1_issue76_2025,

title = {The NZ Marconi DFG24/2 WWII Direction Finder. Part 1},

author = {Alan Hartley-Smith},

year  = {2025},

date = {2025-08-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {August},

issue = {76},

pages = {58–60},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{tricks_of_the_trade_issue76_2025,

title = {Tricks of the Trade},

author = {Dave (G4OYX) Porter and Chris Greenway and John (SK) F Philips and Tony (G3LNP) Preedy},

year  = {2025},

date = {2025-08-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {August},

issue = {76},

pages = {61–67},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{solid_state_vibrator_replacement_issue75_2025,

title = {A Solid-State Vibrator Replacement},

author = {John (G8GEV) Moore and Brian (G4VYG) Roberts},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {03–05},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{band_pass_filter_design_q_k_method_issue75_2025,

title = {Band-Pass Filter Design Using the “q and k” Method},

author = {Richard (G3OTK) Harris},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {06–10},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{band_pass_filter_design_norton_transform_issue75_2025,

title = {Band-Pass Filter Design Using Norton’s Transform},

author = {Richard (G3OTK) Harris},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {11–12},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{soe_type_a_mk1_spy_set_issue75_2025,

title = {SOE Type ‘A’ Mk.1 “Spy Set”},

author = {Brian (M1JLM) Murfitt},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {13–20},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{marconi_douglas_issue75_2025,

title = {Marconi and Douglas},

author = {Ray (VK2NO) Robinson},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {21–22},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{wave_winder_meccano_issue75_2025,

title = {A Wave-Winder in Meccano},

author = {John (G4GYS) (SK) Plested},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {23–24},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{trimmer_repair_issue75_2025,

title = {Trimmer Repair},

author = {Ray (VK2NO) Robinson},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {25–27},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{external_signal_level_meter_issue75_2025,

title = {An External Signal-Level Meter for Valve-Based Receivers},

author = {Victor Jenkins},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {28–31},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{uvarp_foroya_mf_transmitter_site_issue75_2025,

title = {The Úvarp Føroya MF Transmitter Site – Tórshavn},

author = {Ian JD Anderson},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {32–33},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{admiral_bubbles_sir_william_james_issue75_2025,

title = {Admiral “Bubbles” Sir William James},

author = {Brian (G0GSF) Austin},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {34},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{tricks_trade_issue75_2025,

title = {Tricks of the Trade},

author = {Dave (G4OYX) Porter},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {35–40},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{candles_from_brazil_issue75_2025,

title = {Candles from Brazil},

author = {Andy (G0SFJ) Thomas},

year  = {2025},

date = {2025-01-01},

journal = {Signal: The Journal of the Vintage and Military Amateur Radio Society},

volume = {May},

issue = {75},

pages = {41–49},

keywords = {},

pubstate = {published},

tppubtype = {article}

}