Western New York - Southern Ontario Repeater Council
Tech Info - Index
Here are a number of technical information documents on a variety of subjects; mostly in categories to do with amateur radio repeaters and their operation and infrastructure.
- Repeaters - Tuning of Squelch, Audio, Power of many brands of radios and info on clarity, (24)
- General - Basic Conversion formulas, power measurement etc., (15)
- Filters - Numerous Tuning, Filtering, Coupling, Isolator information, (38)
- Intermod - Intermod Calculator program, and edxplanation pdf, (2)
- IRLP / Echolink - Instructions for VoIP, (3)
- Lightning Protection - Lots of great grounding tips to save your equipment from Mother Nature, (19)
- Transmission Lines - Quality Coaxial information, (2)
Most of these documents are in Adobe Acrobat "pdf" format. So you may need to download and install Adobe's free Adobe Acrobat Reader program. Please go and get it from here: Get Adobe Reader. Thanks to Jim VE3WA for all the information listed here. If you have any suggestions, please forward them to and we will be happy to post for distribution.
Repeaters - Tuning of Squelch, Audio, Power of many brands of radios and info on clarity (24)
- audio_quality_pre,_and_de_emphasis
- bi_level_squelch
- conversion_of_a_vhf_micor_front_end
- explanation_of_and_squelch
- explanation_of_flat_audio
- fan_cooler_ic
- ge_mastr_ii_wiring_chart
- ge_mvp_mods
- getting_the_most_from_your_repeater_system
- instructions_for_converting_a_high_band_micor_to_the_222_mhz
- micor_mods_&_mitrek
- micor_receiver_to_220_mhz
- micor_receiver_vhf_high_split
- mods_ge_phoenix
- mods_micor_compa_stn
- motorola_micor_notes
- motorola_interference_technical_appendix
- pre_and_de_emphasis
- receiver_preamps_in_repeater_applications
- simple-repeater-fan-controller
- the_motorola_sensitron_receiver
- the_motorola_sensitron_vhf
- useful_tips_on_hooking_up_and_using_the_ts32
- vhf_ge_mastr_ii_tune-up
General - Basic Conversion formulas, power measurement etc (15)
- about-rf-communications
- calculating_erp
- decibels_volts_watts_conversion
- ft_100_d_mic_mod
- installation_instructions_for_transistors
- more_on_decibels
- moto-dtmf
- power_measurement_and_a_simple_dummy_load_pt2
- power_measurement_and_a_simple_dummy_load_pt1
- precipitation_static_on_fibreglass_antennas
- smith_chart
- the_decibel
- the_effect_of_vswr_on_transmitted_power
- tx-rx-elementary-introduction-to-ferrite-isolators-circulators-and-rf-loads
- using_a_second_serial_port_in_the_kpc
Filters - Numerous Tuning, Filtering, Coupling, Isolator information (38)
- ci-1055-fp-fr-fq-series-tuning
- ci-1056-fp-series-tuning
- ci-1057-fr-series-tuning
- ci-1058-fq-series-tuning
- ci-1115-c-series-description
- ci-1116-c-series-systems
- ci-1120-c-series-typical-systems
- ci-1121-c-series-tuning
- db-4022-29-band-pass-band-reject-cavity-tuning-instructions
- db-4030-32-low-band-duplexer-tuning-instructions
- db-4036-44-46-mid-band-and-high-band-base-station-duplexers
- db-4048
- db-4318h-2c-high-band-single-channel-filter-and-isolator
- db-band-pass-cavity-filter-installation-and-tuning-instructions
- db-dual-junction-tunable-isolators-field-tuning-instructions
- duplexer_manual
- filter-ferrite_manual
- hybrid_ring_tuning_instructions_sinclair
- isolator-tuning-instructions_sinclair
- low_power_combiner
- multicoupler_manual
- notch_filter_for_the_two_meter_band
- properties_of_a_ferromagnetic_circulator
- seits_duplexer_theory_and_tuning
- sinclair_cm-1010-mr-series-mobile-duplexer-tuning
- sinclair_p-series
- sinclair_r_series
- sinclair_r101_6m_mods
- six_meter_heliax_duplexers
- tuning_p_and_q_series_sinclair
- tx-rx-interference-control-through-use-of-cavity-filters-and-ferrite-isolators
- tx-rx-technical-notes-on-duplexer-problems-and-remedies
- tx-rx-t-pass-expandable-cavity-multicoupler-cavity-system
- ve2azx-duplexerinfo
- w1gan-duplexer
- w2euphybridringduplexer
- wp678-665-uhf-tuninginstructions
- wp6xxvhftuninginstructions
Intermod - Calculator program, and explanation pdf (2)
IRLP - Echolink - Instructions for VoIP (3)
- instructions_for_setting_up_an_irlp_node_behind_linksys
- irlp_behind_netgear_router
- irlp_link_radio_interface
Lightning Protection - Lots of great grounding tips to save your equipment from Mother Nature (19)
- corrosion_protection_for_tower_structures
- deturming_ground_resistivity
- equipment_rack_grounding
- ground_potential_rise
- halo_grounds
- ham_radio_station_protection
- insulated_support_structures
- lightning_overview
- lightning_protection_facts_and_fallacies
- magnetic_field_shielding
- multiply_i_o_ports_maintaining_single_point_ground
- oxidation_and_joint_compounds
- roof_top_site_grounding
- site_cable_entry_panels
- telco_grounding_in_the_site
- tower_down_conductors_and_problems_with
- ulfer_and_tower_grounds
- waveguide_and_grounding
- why_steel_ground_rods_are_copper_plated