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Vintage Radios
Boat Anchor Legends
Boat Anchors Legends Index
Boat Anchor Magazines
Electric Radio Magazine
Vintage Hammarlund
Perry Sandeen’s Hammarlund SP-600 Anthology
Radio Boulevard – Hammarlund SP-600 Receivers
Vintage Collins
QTH Collins Archive
Collins KWM-2 & KWM-2A
Collins R388 HF Receiver
Collins R390 HF Receiver
Collins R390 Parts Vendors
Collins R390 Solid State
Collins R390A HF Receiver
R-390 Series Frequently Asked Questions (FAQ)
Collins R392 HF Receiver
Collins R390 vs R392 Comparison
Collins 51J Receiver
Modify Collins 51J for SSB
Collins S-Line
S-Line / KWM-2 Crystals by WA3KEY
Collins 75A-4 Receiver Photos
Collins 75S-1 Receiver
Collins Service Bulletin Index
F5TEV Collins Posts
Virtual Collins Radio Museum – WA3KEY
My Collins Collection
Collins 75A-4 Receiver Project
Collins 32V-2 Transmitter
Collins KWS-1 Transmitter
Collins 75S-1 Receiver Project
Collins 75S-2 Receiver (RARE)
Collins MP-1 Power Supply Project
Collins 30L-1 Amplifier Project
Collins 312B-4 Speaker Console
Collins 180S-1 Tuner – K5APL41
Boatanchor Archives
Collins Signal Magazine
Collins Radio Archive
Ham Radio Magazine
QST 1915 – 1969
The Collins Story
World Radio History
73 Magazine
HSN
Hollow State Newsletter – Complete Topic Index
Hollow State Newsletter Archive
RFI
Collins 516F-2 Power Supply RFI Analysis and Mitigation
Collins 51S-1 / 1A / 1F / 1AF / 1B — AM, CW & SSB Receiver RFI Mitigation Strategies
Collins KWM-2A HF Transceiver RFI Analysis and Receiver Noise Mitigation
RGO ONE Transceiver RFI Mitigation
CCA
Collins Collectors Association Technical Bulletins, Archives, and Community Resources — A Practical Guide
Restoration
Alpha HF Amplifiers
Alpha 87A Linear Amplifier: Restoration & Service Guide
Alpha / ETO 91B Linear Amplifier: Restoration & Service Guide
Alpha 8410 Linear Amplifier: Restoration & Service Guide
Alpha 9500 Linear Amplifier: Restoration & Service Guide
Collins
Collins 180S-1 Jumper Plug Reproduction
Collins MP-1 power supply restoration kit
Collins R-388 Receiver Cabinet Restoration
Collins R390 Receiver Restoration Guide
Collins 180S-1 Antenna Tuner Restoration Guide
Collins R390A Receiver Restoration Guide
Collins S-Line Cabinet Restoration
Emtron HF Amplifiers
Emtron DX-1A Linear Amplifier: Restoration & Service Guide
Emtron DX-1D Linear Amplifier: Restoration & Service Guide
Emtron DX-1SP Linear Amplifier: Restoration & Service Guide
Emtron DX-1V Linear Amplifier: Restoration & Service Guide
Emtron DX-2 Linear Amplifier: Restoration & Service Guide
Emtron DX-2A Linear Amplifier: Restoration & Service Guide
Emtron DX-2SP Linear Amplifier: Restoration & Service Guide
Emtron DX-2V Linear Amplifier: Restoration & Service Guide
Emtron DX-3 Linear Amplifier: Restoration & Service Guide
Emtron DX-3SP Linear Amplifier: Restoration & Service Guide
Emtron DX-4 Linear Amplifier: Restoration & Service Guide
Hammarlund
Hammarlund SP-600 JX-16 Restoration Guide
Heathkit HF Amplifiers
Heathkit SB-200 Linear Amplifer Restoration Guide
Heathkit SB-220 Linear Amplifier Restoration Guide
Henry Radio
Henry Radio HF Linear Amplifiers: Omnibus Restoration & Service Guide
Join the Vintage Amateur Radio Restoration Group
SDR
Public SDR Devices
OpenWebRX+ Resources
Kiwi SDR
NextGENSDR Group
SDR Receiver Map
Skywave Kiwi SDR
WEBSDR
SDR T/R Switch
Thetis for Hermes Lite 2
Worldwide AM/FM Radio Locator
More…
Technical Library
Antenna Design
Radio Antenna Engineering
EFHW Antennas Explained
Calculus Made Easy
Calculus Made Easy – Gutenberg
Calculus Made Easy – Thompson
Calculus Made Easy – V2
NC State University Publications
Resources
Alibaba Sourcing AI
Antenna Vendors
Balun Designs
G3TXQ Hex Beam
HF Active Antenna
Ultimax EFHW Antennas
Audio Equipment Vendors
AVL Gear
DIY Recording Equipment
Broadcast Transmitter Tube Rebuilders
Kennetron
Desoldering Tools
Desco Industries – EDSYN
MG Chemicals
Ham Made Gear
HF RF Bipolar Power Transistors
MPL Power Transistors
HF RF LDMOS Amplifier Devices
HT20340S LDMOS RF Amplifier Datasheet
Lithium Power Batteries
Yixian Power
RF Design
RF Design – MegawattKS
MegawattKS Youtube Channel
Solder Vendors
Indium Solder
MG Chemicals Solder
NUFESA Solder
FiTech Solder
SV1AFN Shop
UKW-Berichte Telecommunications
Workshop Ideas
Vacuum Tube Vendors
Vacuum Tubes Inc.
Links
AIaaS
ChatGPT
chatjimmy.ai
Claude
Cursor
GeoSpy
Gemini
Hailuoai Video Agent
MINIMAX Agent
Grok
Grok Imagine
HUME AI
KIMI
Manus
NotebookLM
NoteGTP
OpenAI
Pika Art
Perplexity
Markdown Utilities
Markdown to PDF
Mermaid Chart Tool
KOME AI Browser Extension
Crypto
Coins
Axelar
Aster DEX
Coral Protocol
Polymesh
Ripple XRP
Exchanges
Binance USA
Coinbase
Crypto.com
Ether FI
Gemini Exchange
Uphold USA
Wallets
Atomic Wallet
Leo Wallet
Phantom Wallet
SAP ERP Systems
Onapsis BTP Security
Contact VK6ADA
QRZ
VK6ADA QRZ Page
Following
VK6ADA - Mike Peace
Home
Vintage Radios
Boat Anchor Legends
Boat Anchors Legends Index
Boat Anchor Magazines
Electric Radio Magazine
Vintage Hammarlund
Perry Sandeen’s Hammarlund SP-600 Anthology
Radio Boulevard – Hammarlund SP-600 Receivers
Vintage Collins
QTH Collins Archive
Collins KWM-2 & KWM-2A
Collins R388 HF Receiver
Collins R390 HF Receiver
Collins R390 Parts Vendors
Collins R390 Solid State
Collins R390A HF Receiver
R-390 Series Frequently Asked Questions (FAQ)
Collins R392 HF Receiver
Collins R390 vs R392 Comparison
Collins 51J Receiver
Modify Collins 51J for SSB
Collins S-Line
S-Line / KWM-2 Crystals by WA3KEY
Collins 75A-4 Receiver Photos
Collins 75S-1 Receiver
Collins Service Bulletin Index
F5TEV Collins Posts
Virtual Collins Radio Museum – WA3KEY
My Collins Collection
Collins 75A-4 Receiver Project
Collins 32V-2 Transmitter
Collins KWS-1 Transmitter
Collins 75S-1 Receiver Project
Collins 75S-2 Receiver (RARE)
Collins MP-1 Power Supply Project
Collins 30L-1 Amplifier Project
Collins 312B-4 Speaker Console
Collins 180S-1 Tuner – K5APL41
Boatanchor Archives
Collins Signal Magazine
Collins Radio Archive
Ham Radio Magazine
QST 1915 – 1969
The Collins Story
World Radio History
73 Magazine
HSN
Hollow State Newsletter – Complete Topic Index
Hollow State Newsletter Archive
RFI
Collins 516F-2 Power Supply RFI Analysis and Mitigation
Collins 51S-1 / 1A / 1F / 1AF / 1B — AM, CW & SSB Receiver RFI Mitigation Strategies
Collins KWM-2A HF Transceiver RFI Analysis and Receiver Noise Mitigation
RGO ONE Transceiver RFI Mitigation
CCA
Collins Collectors Association Technical Bulletins, Archives, and Community Resources — A Practical Guide
Restoration
Alpha HF Amplifiers
Alpha 87A Linear Amplifier: Restoration & Service Guide
Alpha / ETO 91B Linear Amplifier: Restoration & Service Guide
Alpha 8410 Linear Amplifier: Restoration & Service Guide
Alpha 9500 Linear Amplifier: Restoration & Service Guide
Collins
Collins 180S-1 Jumper Plug Reproduction
Collins MP-1 power supply restoration kit
Collins R-388 Receiver Cabinet Restoration
Collins R390 Receiver Restoration Guide
Collins 180S-1 Antenna Tuner Restoration Guide
Collins R390A Receiver Restoration Guide
Collins S-Line Cabinet Restoration
Emtron HF Amplifiers
Emtron DX-1A Linear Amplifier: Restoration & Service Guide
Emtron DX-1D Linear Amplifier: Restoration & Service Guide
Emtron DX-1SP Linear Amplifier: Restoration & Service Guide
Emtron DX-1V Linear Amplifier: Restoration & Service Guide
Emtron DX-2 Linear Amplifier: Restoration & Service Guide
Emtron DX-2A Linear Amplifier: Restoration & Service Guide
Emtron DX-2SP Linear Amplifier: Restoration & Service Guide
Emtron DX-2V Linear Amplifier: Restoration & Service Guide
Emtron DX-3 Linear Amplifier: Restoration & Service Guide
Emtron DX-3SP Linear Amplifier: Restoration & Service Guide
Emtron DX-4 Linear Amplifier: Restoration & Service Guide
Hammarlund
Hammarlund SP-600 JX-16 Restoration Guide
Heathkit HF Amplifiers
Heathkit SB-200 Linear Amplifer Restoration Guide
Heathkit SB-220 Linear Amplifier Restoration Guide
Henry Radio
Henry Radio HF Linear Amplifiers: Omnibus Restoration & Service Guide
Join the Vintage Amateur Radio Restoration Group
SDR
Public SDR Devices
OpenWebRX+ Resources
Kiwi SDR
NextGENSDR Group
SDR Receiver Map
Skywave Kiwi SDR
WEBSDR
SDR T/R Switch
Thetis for Hermes Lite 2
Worldwide AM/FM Radio Locator
More…
Technical Library
Antenna Design
Radio Antenna Engineering
EFHW Antennas Explained
Calculus Made Easy
Calculus Made Easy – Gutenberg
Calculus Made Easy – Thompson
Calculus Made Easy – V2
NC State University Publications
Resources
Alibaba Sourcing AI
Antenna Vendors
Balun Designs
G3TXQ Hex Beam
HF Active Antenna
Ultimax EFHW Antennas
Audio Equipment Vendors
AVL Gear
DIY Recording Equipment
Broadcast Transmitter Tube Rebuilders
Kennetron
Desoldering Tools
Desco Industries – EDSYN
MG Chemicals
Ham Made Gear
HF RF Bipolar Power Transistors
MPL Power Transistors
HF RF LDMOS Amplifier Devices
HT20340S LDMOS RF Amplifier Datasheet
Lithium Power Batteries
Yixian Power
RF Design
RF Design – MegawattKS
MegawattKS Youtube Channel
Solder Vendors
Indium Solder
MG Chemicals Solder
NUFESA Solder
FiTech Solder
SV1AFN Shop
UKW-Berichte Telecommunications
Workshop Ideas
Vacuum Tube Vendors
Vacuum Tubes Inc.
Links
AIaaS
ChatGPT
chatjimmy.ai
Claude
Cursor
GeoSpy
Gemini
Hailuoai Video Agent
MINIMAX Agent
Grok
Grok Imagine
HUME AI
KIMI
Manus
NotebookLM
NoteGTP
OpenAI
Pika Art
Perplexity
Markdown Utilities
Markdown to PDF
Mermaid Chart Tool
KOME AI Browser Extension
Crypto
Coins
Axelar
Aster DEX
Coral Protocol
Polymesh
Ripple XRP
Exchanges
Binance USA
Coinbase
Crypto.com
Ether FI
Gemini Exchange
Uphold USA
Wallets
Atomic Wallet
Leo Wallet
Phantom Wallet
SAP ERP Systems
Onapsis BTP Security
Contact VK6ADA
QRZ
VK6ADA QRZ Page
Following
Search
VK6ADA - Mike Peace
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Collins R-390 Receiver