RATPAC
@ratpac.bsky.social
Radio Amateur Training Planning and Activities Committee. Live Amateur Radio Presentations Weekly via Zoom and Recorded Videos on YouTube- www.ratpac.us
Recent recordings-
Grid Down: DC Power Budgeting Marty Woll, N6VI youtu.be/5nJVPR7PtJk
NARA (National Amateur Radio Alliance) Follow-Up Mikel Turner, W4OPS- youtu.be/Px--9EZc1NY
VHF / UHF SSB for Emcomm Marty Woll, N6VI- youtu.be/Aoo7Qt4zCfQ
Grid Down: DC Power Budgeting Marty Woll, N6VI youtu.be/5nJVPR7PtJk
NARA (National Amateur Radio Alliance) Follow-Up Mikel Turner, W4OPS- youtu.be/Px--9EZc1NY
VHF / UHF SSB for Emcomm Marty Woll, N6VI- youtu.be/Aoo7Qt4zCfQ
Grid Down: DC Power Budgeting ~ 10/29/2025
YouTube video by RATPAC Amateur Radio
youtu.be
November 19, 2025 at 3:05 PM
Recent recordings-
Grid Down: DC Power Budgeting Marty Woll, N6VI youtu.be/5nJVPR7PtJk
NARA (National Amateur Radio Alliance) Follow-Up Mikel Turner, W4OPS- youtu.be/Px--9EZc1NY
VHF / UHF SSB for Emcomm Marty Woll, N6VI- youtu.be/Aoo7Qt4zCfQ
Grid Down: DC Power Budgeting Marty Woll, N6VI youtu.be/5nJVPR7PtJk
NARA (National Amateur Radio Alliance) Follow-Up Mikel Turner, W4OPS- youtu.be/Px--9EZc1NY
VHF / UHF SSB for Emcomm Marty Woll, N6VI- youtu.be/Aoo7Qt4zCfQ
VHF / UHF SSB for Emcomm- Marty Woll- N6VI. Join us live via Zoom tonight (Nov 12) at 9 PM Eastern / 6 PM Pacific Time- www.ratpac.us/zoom
RATPAC - Zoom
Zoom links to watch upcoming presentations (see schedule below) live at
9:00 PM ET / 8:00 PM CT / 7:00 PM MT / 6:00 PM PT / 01:00 UTC
Wednesday & Thursday - Zoom Link ...
www.ratpac.us
November 12, 2025 at 2:24 PM
VHF / UHF SSB for Emcomm- Marty Woll- N6VI. Join us live via Zoom tonight (Nov 12) at 9 PM Eastern / 6 PM Pacific Time- www.ratpac.us/zoom
DX Marathon & DX Marathon Sprint- recording available -https://youtu.be/kE0txj4soRU Sprint starts in just a few hours (00:00 UTC Oct 18) and runs for 10 days.
October 17, 2025 at 8:26 PM
DX Marathon & DX Marathon Sprint- recording available -https://youtu.be/kE0txj4soRU Sprint starts in just a few hours (00:00 UTC Oct 18) and runs for 10 days.
Join us live via Zoom tonight at 9 PM Eastern / 6 PM Pacific Time- www.ratpac.us/zoom
DX Marathon- Sprint
The DX Marathon is a year-long event where hams attempt to work as many different DX stations and CQ Zones worldwide in each calendar year.
DX Marathon- Sprint
The DX Marathon is a year-long event where hams attempt to work as many different DX stations and CQ Zones worldwide in each calendar year.
RATPAC - Zoom
Zoom links to watch upcoming presentations (see schedule below) live at
9:00 PM ET / 8:00 PM CT / 7:00 PM MT / 6:00 PM PT / 01:00 UTC
Wednesday & Thursday - Zoom Link ...
www.ratpac.us
October 15, 2025 at 8:46 PM
Join us live via Zoom tonight at 9 PM Eastern / 6 PM Pacific Time- www.ratpac.us/zoom
DX Marathon- Sprint
The DX Marathon is a year-long event where hams attempt to work as many different DX stations and CQ Zones worldwide in each calendar year.
DX Marathon- Sprint
The DX Marathon is a year-long event where hams attempt to work as many different DX stations and CQ Zones worldwide in each calendar year.
RATPAC Sessions will resume after a summer break, on Wednesday, Sept 10th. Join us live via Zoom with Working the "Easy" Satellites! by Clint Bradford, K6LCS.
9 PM Eastern / 6 PM Pacific- (www.ratpac.us/zoom.
As usual, all sessions will also be recorded and posted a few days later.
9 PM Eastern / 6 PM Pacific- (www.ratpac.us/zoom.
As usual, all sessions will also be recorded and posted a few days later.
RATPAC - Zoom
Zoom links to watch upcoming presentations (see schedule below) live at
9:00 PM ET / 8:00 PM CT / 7:00 PM MT / 6:00 PM PT / 01:00 UTC
Wednesday & Thursday - Zoom Link ...
www.ratpac.us
August 31, 2025 at 11:39 PM
RATPAC Sessions will resume after a summer break, on Wednesday, Sept 10th. Join us live via Zoom with Working the "Easy" Satellites! by Clint Bradford, K6LCS.
9 PM Eastern / 6 PM Pacific- (www.ratpac.us/zoom.
As usual, all sessions will also be recorded and posted a few days later.
9 PM Eastern / 6 PM Pacific- (www.ratpac.us/zoom.
As usual, all sessions will also be recorded and posted a few days later.
"Temporarily Offline Ham Radio"- Steve, from YouTube channel Temporarily Offline, shares his passion for ham radio. His channel blends hands-on experiments, gear reviews, and real-world operating to make amateur radio fun, accessible, and modern.
Wed, May 28 www.ratpac.us/zoom
Wed, May 28 www.ratpac.us/zoom
May 24, 2025 at 3:45 PM
"Temporarily Offline Ham Radio"- Steve, from YouTube channel Temporarily Offline, shares his passion for ham radio. His channel blends hands-on experiments, gear reviews, and real-world operating to make amateur radio fun, accessible, and modern.
Wed, May 28 www.ratpac.us/zoom
Wed, May 28 www.ratpac.us/zoom
Amateur Radio Logging Software- General & Contesting video recording now available- youtu.be/INGMfu4Z114
Amateur Radio Logging Software- General & Contesting ~ 05/20/2025
YouTube video by RATPAC Amateur Radio
youtu.be
May 23, 2025 at 5:55 PM
Amateur Radio Logging Software- General & Contesting video recording now available- youtu.be/INGMfu4Z114
Making CW Contacts: Expand Your Modes of Operation- recording of the session- youtu.be/QHVeSH21CNY
Making CW Contacts: Expand Your Modes of Operation ~ 3/12/02025
YouTube video by RATPAC Amateur Radio
youtu.be
March 15, 2025 at 1:57 PM
Making CW Contacts: Expand Your Modes of Operation- recording of the session- youtu.be/QHVeSH21CNY
Join us live via Zoom for this week's RATPAC programs-
*** Wednesday, March 12th- Making CW Contacts, Expanding Your Modes of Operation
*** Thursday, March 13th- Creating a Go Kit That is Right for You
9 PM Eastern / 6 PM Pacific www.ratpac.us/zoom
*** Wednesday, March 12th- Making CW Contacts, Expanding Your Modes of Operation
*** Thursday, March 13th- Creating a Go Kit That is Right for You
9 PM Eastern / 6 PM Pacific www.ratpac.us/zoom
RATPAC - Zoom
Zoom links to watch upcoming presentations (see schedule below) live at
9:00 PM ET / 8:00 PM CT / 7:00 PM MT / 6:00 PM PT / 01:00 UTC
Wednesday & Thursday - Zoom Link ...
www.ratpac.us
March 12, 2025 at 6:50 PM
Join us live via Zoom for this week's RATPAC programs-
*** Wednesday, March 12th- Making CW Contacts, Expanding Your Modes of Operation
*** Thursday, March 13th- Creating a Go Kit That is Right for You
9 PM Eastern / 6 PM Pacific www.ratpac.us/zoom
*** Wednesday, March 12th- Making CW Contacts, Expanding Your Modes of Operation
*** Thursday, March 13th- Creating a Go Kit That is Right for You
9 PM Eastern / 6 PM Pacific www.ratpac.us/zoom
Join RATPAC live via Zoom for the next two weeks' programs.
* Feb 19 An Early History of Radio
* Feb 20 Amateur Radio Podcast
* Feb 26 The IEEE MOVE Disaster Response Trucks
* Feb 27 Coaxial Cable & Connectors
7 PM Eastern / 6 PM Pacific. www.ratpac.us/zoom
* Feb 19 An Early History of Radio
* Feb 20 Amateur Radio Podcast
* Feb 26 The IEEE MOVE Disaster Response Trucks
* Feb 27 Coaxial Cable & Connectors
7 PM Eastern / 6 PM Pacific. www.ratpac.us/zoom
RATPAC - Zoom
Zoom links to watch upcoming presentations (see schedule below) live at
9:00 PM ET / 8:00 PM CT / 7:00 PM MT / 6:00 PM PT / 01:00 UTC
Wednesday & Thursday - Zoom Link ...
www.ratpac.us
February 19, 2025 at 5:01 PM
Join RATPAC live via Zoom for the next two weeks' programs.
* Feb 19 An Early History of Radio
* Feb 20 Amateur Radio Podcast
* Feb 26 The IEEE MOVE Disaster Response Trucks
* Feb 27 Coaxial Cable & Connectors
7 PM Eastern / 6 PM Pacific. www.ratpac.us/zoom
* Feb 19 An Early History of Radio
* Feb 20 Amateur Radio Podcast
* Feb 26 The IEEE MOVE Disaster Response Trucks
* Feb 27 Coaxial Cable & Connectors
7 PM Eastern / 6 PM Pacific. www.ratpac.us/zoom
Palomar Engineering - Optimizing End-fed Antennas ~ 02/12/2025
YouTube video by RATPAC Amateur Radio
youtu.be
February 14, 2025 at 5:41 PM
This week on RATPAC-
Wednesday, Feb 5- The Portable Operator's Guide to Computing Battery Capacity
Thursday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
Wednesday, Feb 5- The Portable Operator's Guide to Computing Battery Capacity
Thursday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
RATPAC - Zoom
Zoom links to watch upcoming presentations (see schedule below) live at
9:00 PM ET / 8:00 PM CT / 7:00 PM MT / 6:00 PM PT / 01:00 UTC
Wednesday & Thursday - Zoom Link ...
www.ratpac.us
February 5, 2025 at 11:38 PM
This week on RATPAC-
Wednesday, Feb 5- The Portable Operator's Guide to Computing Battery Capacity
Thursday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
Wednesday, Feb 5- The Portable Operator's Guide to Computing Battery Capacity
Thursday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
This week on RATPAC-
Thursday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
Thursday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
RATPAC - Zoom
Zoom links to watch upcoming presentations (see schedule below) live at
9:00 PM ET / 8:00 PM CT / 7:00 PM MT / 6:00 PM PT / 01:00 UTC
Wednesday & Thursday - Zoom Link ...
www.ratpac.us
February 5, 2025 at 11:34 PM
This week on RATPAC-
Thursday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
Thursday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
This week on RATPAC-
Tuesday, Feb 5- Computing Battery Power
Wednesday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
Tuesday, Feb 5- Computing Battery Power
Wednesday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
February 4, 2025 at 6:14 PM
This week on RATPAC-
Tuesday, Feb 5- Computing Battery Power
Wednesday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
Tuesday, Feb 5- Computing Battery Power
Wednesday, Feb 6- Six Amateur Radio Activities You Can Do With Youth
Live via Zoom at 9 PM Eastern / 6 PM Pacific - www.ratpac.us/zoom
RATPAC Video Recordings
Andy's Ham Linux Distribution v26 Update- Andy Stewart, KB1OIQ Software youtu.be/muFsmlw3W84
Amateur Television- Joel Wilhite, KD6W youtu.be/m4usmkX32Zo
Andy's Ham Linux Distribution v26 Update- Andy Stewart, KB1OIQ Software youtu.be/muFsmlw3W84
Amateur Television- Joel Wilhite, KD6W youtu.be/m4usmkX32Zo
Andy's Ham Linux Distribution v26 Update ~ 01/29/2025
YouTube video by RATPAC Amateur Radio
youtu.be
February 1, 2025 at 6:47 PM
RATPAC Video Recordings
Andy's Ham Linux Distribution v26 Update- Andy Stewart, KB1OIQ Software youtu.be/muFsmlw3W84
Amateur Television- Joel Wilhite, KD6W youtu.be/m4usmkX32Zo
Andy's Ham Linux Distribution v26 Update- Andy Stewart, KB1OIQ Software youtu.be/muFsmlw3W84
Amateur Television- Joel Wilhite, KD6W youtu.be/m4usmkX32Zo
Tonight- Andy's Ham Linux Distribution v26 Update. Andy Stewart, KB1OIQ live via Zoom Jan 29th, 9 PM Eastern / 6 PM Pacific www.ratpac.us/zoom
RATPAC - Zoom
Zoom links to watch upcoming presentations (see schedule below) live at
9:00 PM ET / 8:00 PM CT / 7:00 PM MT / 6:00 PM PT / 01:00 UTC
Wednesday & Thursday - Zoom Link ...
www.ratpac.us
January 29, 2025 at 4:18 PM
Tonight- Andy's Ham Linux Distribution v26 Update. Andy Stewart, KB1OIQ live via Zoom Jan 29th, 9 PM Eastern / 6 PM Pacific www.ratpac.us/zoom
Tonight- Andy's Ham Linux Distribution v26 Update. Andy Stewart, KB1OIQ live via Zoom Jan 29th, 9 PM Eastern / 6 PM Pacific www.ratpac.us/zoom
January 29, 2025 at 4:17 PM
Tonight- Andy's Ham Linux Distribution v26 Update. Andy Stewart, KB1OIQ live via Zoom Jan 29th, 9 PM Eastern / 6 PM Pacific www.ratpac.us/zoom
On Bands with K9LA- A tour of Effects of Solar Cycle Cycle 25 Carl Luetzelschwab, K9LA. Recoding- youtu.be/JijTIi_OuwY
How the Ionosphere Really Works Eric Nichols, KL7AJ. Recording- youtu.be/VClrJPOOuVw
How the Ionosphere Really Works Eric Nichols, KL7AJ. Recording- youtu.be/VClrJPOOuVw
On Bands with K9LA- A tour of Effects of Solar Cycle Cycle 25 ~ 1/22/2025
YouTube video by RATPAC Amateur Radio
youtu.be
January 26, 2025 at 7:39 PM
On Bands with K9LA- A tour of Effects of Solar Cycle Cycle 25 Carl Luetzelschwab, K9LA. Recoding- youtu.be/JijTIi_OuwY
How the Ionosphere Really Works Eric Nichols, KL7AJ. Recording- youtu.be/VClrJPOOuVw
How the Ionosphere Really Works Eric Nichols, KL7AJ. Recording- youtu.be/VClrJPOOuVw
Next two weeks on RATPAC:
Jan 22, 2025 On Bands with K9LA- A tour of Effects of Solar Cycle Cycle 25
Jan 23, 2025 How the Ionosphere Really Works
Jan 29, 2025, Andy's Ham Linux Distribution v26 Update
Jan 30, 2025 Amateur Television
Join us live at 9 PM Eastern / 6 PM Pacific at www.ratpac.us/zoom
Jan 22, 2025 On Bands with K9LA- A tour of Effects of Solar Cycle Cycle 25
Jan 23, 2025 How the Ionosphere Really Works
Jan 29, 2025, Andy's Ham Linux Distribution v26 Update
Jan 30, 2025 Amateur Television
Join us live at 9 PM Eastern / 6 PM Pacific at www.ratpac.us/zoom
RATPAC - Zoom
Zoom links to watch upcoming presentations (see schedule below) live at
9:00 PM ET / 8:00 PM CT / 7:00 PM MT / 6:00 PM PT / 01:00 UTC
Wednesday & Thursday - Zoom Link ...
www.ratpac.us
January 23, 2025 at 1:09 AM
Next two weeks on RATPAC:
Jan 22, 2025 On Bands with K9LA- A tour of Effects of Solar Cycle Cycle 25
Jan 23, 2025 How the Ionosphere Really Works
Jan 29, 2025, Andy's Ham Linux Distribution v26 Update
Jan 30, 2025 Amateur Television
Join us live at 9 PM Eastern / 6 PM Pacific at www.ratpac.us/zoom
Jan 22, 2025 On Bands with K9LA- A tour of Effects of Solar Cycle Cycle 25
Jan 23, 2025 How the Ionosphere Really Works
Jan 29, 2025, Andy's Ham Linux Distribution v26 Update
Jan 30, 2025 Amateur Television
Join us live at 9 PM Eastern / 6 PM Pacific at www.ratpac.us/zoom
Easy to Build Inexpensive "Snooper" Probe for Detecting & Solving Stray RF on Your Coax & in Your Shack- video recording youtu.be/8j95t_5Hoxk
Easy to Build Inexpensive "Snooper" Probe for Detecting & Solving Stray RF on your Coax & in Shack
YouTube video by RATPAC Amateur Radio
youtu.be
January 18, 2025 at 5:34 PM
Easy to Build Inexpensive "Snooper" Probe for Detecting & Solving Stray RF on Your Coax & in Your Shack- video recording youtu.be/8j95t_5Hoxk
DLARC—The Free Online Ham Radio Library video recording- youtu.be/egjdrt-ye1E
January 10, 2025 at 9:22 PM
DLARC—The Free Online Ham Radio Library video recording- youtu.be/egjdrt-ye1E
Winter Field Day presentation video recording youtu.be/H28EDMvJdmc
Winter Field Day ~ 01-08-2025
YouTube video by RATPAC Amateur Radio
youtu.be
January 10, 2025 at 9:21 PM
Winter Field Day presentation video recording youtu.be/H28EDMvJdmc
RATPAC returns from holiday break on Jan 8th with both Wed and Thur sessions. Currently scheduled:
December 30, 2024 at 6:47 PM
RATPAC returns from holiday break on Jan 8th with both Wed and Thur sessions. Currently scheduled:
Amateur Radio Challenges Checklist for 2025
December 30, 2024 at 6:37 PM
Amateur Radio Challenges Checklist for 2025
CQ DX Marathon- Mark Wohlschlegel, WC3W. Wed. December 11- 9 PM Eastern / 6 PM Pacific- www.ratpac.us/zoom
RATPAC - Zoom
Zoom links to watch upcoming presentations (see schedule below) live at
9:00 PM ET / 8:00 PM CT / 7:00 PM MT / 6:00 PM PT / 01:00 UTC
Wednesday & Thursday - Zoom Link ...
www.ratpac.us
December 10, 2024 at 12:57 AM
CQ DX Marathon- Mark Wohlschlegel, WC3W. Wed. December 11- 9 PM Eastern / 6 PM Pacific- www.ratpac.us/zoom