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The Central States VHF Society is proud to sponsor and announce the dates and times for the 2025 run of the VHF and up Spring Sprints! Contest Date and Time: § Microwave (902 MHz and up) Saturday May 3, 2025. 0800 AM – 0200 PM Local. NOTE:.N6ZE plans to operate on 900 MHz (33cm) & 1294.5 MHz fm simplex & 1296.1 mhz usb/cw (23cm) from atop Stunt Rd, in Santa MonicaMts (DM04qb29nm) from about 0900-1100 pdt. Laision 432.1 mhz USB / 446.0 mhz fm-simplex. Woodie, WA6WDY, will be second op. § 50 MHz Saturday May 10, 2025. 2300z through Sunday May 11, 2025, 0300z Classes: Stations will be classified as either Single Op or Rover. A portable or mobile station that operates from only one grid is considered a Single Op station. A Rover must operate from at least 2 grid squares. All simplex modes are welcome! Please note the new rules allowing analog and digital contacts on the same band for extra points. More information and rules are posted at: https://sites.google.com/site/springvhfupsprints/2025-information I hope that all of you can join and enjoy the activity and event! Please post your claimed scores and comments to the 3830 Contesting site: https://www.3830scores.com/index.php Bt73 Pete, N6ZE

This month, during our May 9th meeting, we will have two guest speakers, John Kitchens (N6SX) and Pat Anglum (N6XTM); both are members of our club. Our first speaker, John Kitchens (N6SX), will present “ARRL Happenings”. John was first licensed in 1966 as WN6UYJ through the Robert E Peary Junior High School’s TRXster radio club, WA6VUA, taught by electric shop teacher Don Ulrey, WA6TRX. John built a 5-watt transistor radio (not tubes-transistors were new) from a schematic in a book, he thinks was titled weekend solid state projects. It worked. That was about 1967. John was licensed as KZ5JS in the Panama Canal Zone, in 1975-76, while in the USAF. He became an Amateur Extra about 1983 for those “extra 25 KCs” for CW contesting. John has been Section Manager for about 10 years and a member of K6MEP since 1981. He is also a member of CVARC, Simi Settlers, Central Coast, VCARS, Satellite ARC, QRP-ARCI, 4 States QRP Group and more. John enjoys contesting, POTA, SOTA; all usually QRP. John also likes to catch a fish now and then out of the surf and in trout streams. He tries to be creative, making little trees and plants look big by developing bonsai plants. Since becoming a widower, John has enjoyed doing a bit of traveling; driving cross country 5 times in four years and recently activating parks along the way. Out second speaker is Pat Anglum N6XTM, who will present a talk about software-defined radio (SDR). Software-Defined Radio (SDR) is a radio communication system where traditional hardware components, such as mixers, filters, amplifiers, and modulators/demodulators, are replaced or augmented by software running on a general-purpose computing device, like a computer or embedded system. This allows for greater flexibility, as the radio's functionality can be modified through software updates rather than hardware changes. The RTL-SDR (developed in the 2010s), based on the Realtek RTL2832U chip (originally designed for DVB-T TV tuners), revolutionized SDR by making it accessible for under $30. While the RTL2832U wasn’t designed for SDR, its ability to output raw digital samples enabled software-based radio processing. Pat was first licensed around 1993 as a Technician Plus. He had a Radio Shack 10-meter mobile transceiver with which he often worked Japan. That radio bit the dust and Pat was inactive for about 30 years. In (2022) he bought a Baofeng 2-meter hand held and was somewhat active on 2 meters. A few years ago, he was listening to a remote SDR and started listening to the ham bands. This rekindled his interest in HF ham bands. Pat decided to upgrade to General in January of 2023 and bought a used Kenwood TS-530S from another ham. It works well and he made many contacts on 40 meters. (His only antenna right now is a 40-meter dipole). Pat started studying for his Extra and passed the test on May 13th, 2023. He also has an old 5BTV that he is trying to put back into service. Here’s a table of our speakers and/or activities for this year (completed is grayed out): 73, Robert Shank KM6RSS Vice President, VCARC

Reminder: 40M Local Net 1900 Local Time 7.242 LSB When: Wednesday, April 30, 2025 7:00pm to 7:30pm (UTC-07:00) America/Los Angeles Organizer: Dave Schmidt AI6VX View Event Description: 1900 Local Time 40M net on 7.242 LSB. If the frequency is busy, check 5 Khz below or above as we may have moved there, or check your email as I will try to email the Groups.io list with our new frequency To help with coordination, please tune to 147.515 Mhz simplex! This will allow us to let each other know if we moved to another frequency, or if band conditions are poor and we want to try a different band.

Good Morning All, The Central States VHF Society (CSVHF) is proud to sponsor and announce the dates and times for the 2025 run of the VHF and up Spring Sprints! Contest Date & Time: § 432 MHz Wednesday April 30, 2025. 2300z (4 pm PDT) to 0600z (11pm PDT), operate no more than four hours between your first contact and your last contact. Note: N6ZE in Thousand Oaks, CA (DM04ne) plans to operate QRP from Tarantula Hill within city limits on 446.0 mhz fm simplex & 432.1 mhz usb from about 6:30pm PDT until about 7:30pm PDT. I hope lots of others get on the air for this event. Last 2 Spring SPRINTS will be held: § Microwave (902 MHz and up) Saturday May 3, 2025. 0800 AM – 0200 PM Local § 50 MHz Saturday May 10, 2025. 2300z through Sunday May 11, 2025, 0300z note: n6ze/r hopes to operate in. 902 mhz SPRINT from Stunt Rd in Santa Monica mts. Classes: Stations will be classified as either Single Op or Rover. A portable or mobile station that operates from only one grid is considered a Single Op station. A Rover must operate from at least 2 grid squares. All simplex modes are welcome! Please note the new rules allowing analog and digital contacts on the same band for extra points. More information and full rules are posted at: https://sites.google.com/site/springvhfupsprints/2025-information Please post your claimed scores and comments to the easy to use3830 Contesting web site: https://www.3830scores.com/ Bt73 Pete, n6ze@...

Reminder: 2M/70cm Net When: Monday, April 28, 2025 8:00pm to 9:00pm (UTC-07:00) America/Los Angeles Where: On the air and over Zoom Organizer: Dave Schmidt info@... View Event Description: Please join us for our Monday Night Net. Mondays 8:00pm using the PVARC linked repeaters Sulphur Mtn: 445.56 141.3 / 440.56 141.3 -Linked 145.20 127.3 / 144.60 127.3 -Linked South Mountain: 447.48 156.7 / 442.48 156.7 -Linked Camarillo Hills: 445.60 141.3 / 440.60 141.3 – Linked We need net hosts! Signup to host a Monday Night Net here: https://k6mep.org/host-a-monday-night-net/ Topic: VCARC Monday Night 2M Net Zoom Meeting Join Zoom Meeting https://zoom.us/j/93897897253?pwd=PfXTihkUeZNaOCnU1VAbYvuRe9AdRg.1 Meeting ID: 938 9789 7253 Passcode: 323972 --- One tap mobile +16699009128,,93897897253#,,,,*323972# US (San Jose) +16694449171,,93897897253#,,,,*323972# US --- Dial by your location ? +1 669 900 9128 US (San Jose) ? +1 669 444 9171 US ? +1 719 359 4580 US ? +1 253 205 0468 US ? +1 253 215 8782 US (Tacoma) ? +1 346 248 7799 US (Houston) ? +1 386 347 5053 US ? +1 507 473 4847 US ? +1 564 217 2000 US ? +1 646 558 8656 US (New York) ? +1 646 931 3860 US ? +1 689 278 1000 US ? +1 301 715 8592 US (Washington DC) ? +1 305 224 1968 US ? +1 309 205 3325 US ? +1 312 626 6799 US (Chicago) ? +1 360 209 5623 US Meeting ID: 938 9789 7253 Passcode: 323972 Find your local number: https://zoom.us/u/adFVuvKycL

Reminder: 10M Local Net 1600 PDT 28.395 USB When: Sunday, April 27, 2025 4:00pm to 4:30pm (UTC-07:00) America/Los Angeles Organizer: David Schmidt View Event Description: 1600 PDT 28.395 Mhz USB If the frequency is busy, check 5 Khz below or above as we may have moved there Get on the air and see who you can hear! A good way for Technicians to participate on HF as they are allowed a small slice of 10M. Edit: Moved time to 4pm (0000 UTC) so we are not in the last hour of various contests through the year.

40M was great last night. 9 folks checked in besides myself and everyone could hear everyone else. W6JPG John's signal was really strong and his audio was fantastic - best I've ever heard, even better than 2M. Thanks to those that came out for the net. For those that couldn't make it, we do this every Wednesday evening at 7pm on 7.242 LSB. If the frequency is already in use, check your email or groups.io to find out where we moved to, or tune up and down (usually up) the dial until you find us. Dave AI6VX

Hello everyone, I have some vacuum pumps looking for a new home, they are free. Just let me know so that I can bring them to the next meeting. 2 are large varian pumps and 3 are smaller Gast pumps. 73 Alan

Reminder: 40M Local Net 1900 Local Time 7.242 LSB When: Wednesday, April 23, 2025 7:00pm to 7:30pm (UTC-07:00) America/Los Angeles Organizer: Dave Schmidt AI6VX View Event Description: 1900 Local Time 40M net on 7.242 LSB. If the frequency is busy, check 5 Khz below or above as we may have moved there, or check your email as I will try to email the Groups.io list with our new frequency To help with coordination, please tune to 147.515 Mhz simplex! This will allow us to let each other know if we moved to another frequency, or if band conditions are poor and we want to try a different band.

Reminder: 2M/70cm Net When: Monday, April 21, 2025 8:00pm to 9:00pm (UTC-07:00) America/Los Angeles Where: On the air and over Zoom Organizer: Dave Schmidt info@... View Event Description: Please join us for our Monday Night Net. Mondays 8:00pm using the PVARC linked repeaters Sulphur Mtn: 445.56 141.3 / 440.56 141.3 -Linked 145.20 127.3 / 144.60 127.3 -Linked South Mountain: 447.48 156.7 / 442.48 156.7 -Linked Camarillo Hills: 445.60 141.3 / 440.60 141.3 – Linked We need net hosts! Signup to host a Monday Night Net here: https://k6mep.org/host-a-monday-night-net/ Topic: VCARC Monday Night 2M Net Zoom Meeting Time: Apr 21, 2025 08:00 PM Pacific Time (US and Canada) Join Zoom Meeting https://zoom.us/j/98471927436?pwd=ssnBq78lGpDLQ2ArPi7vR9rYoQ2fuz.1 Meeting ID: 984 7192 7436 Passcode: 131008 --- One tap mobile +16694449171,,98471927436#,,,,*131008# US +16699009128,,98471927436#,,,,*131008# US (San Jose) --- Dial by your location ? +1 669 444 9171 US ? +1 669 900 9128 US (San Jose) ? +1 253 205 0468 US ? +1 253 215 8782 US (Tacoma) ? +1 346 248 7799 US (Houston) ? +1 719 359 4580 US ? +1 646 558 8656 US (New York) ? +1 646 931 3860 US ? +1 689 278 1000 US ? +1 301 715 8592 US (Washington DC) ? +1 305 224 1968 US ? +1 309 205 3325 US ? +1 312 626 6799 US (Chicago) ? +1 360 209 5623 US ? +1 386 347 5053 US ? +1 507 473 4847 US ? +1 564 217 2000 US Meeting ID: 984 7192 7436 Passcode: 131008 Find your local number: https://zoom.us/u/aeeB97cVlf

announcing the dates and times for the Rest of the 2025 run of the VHF and up Spring 2025 Sprints! Contest Date and Time: § § 222.1 MHz SSB/CW & 223.5 MHz FM Simplex on Tuesday April 22, 2025. 2300z (4pm PDT) to 0600z (11pm PDT), operate no more than four hours between your first contact and your last contact. § 432 MHz Wednesday April 30, 2025. § Microwave (902 MHz and up) Saturday May 3, 2025. § 50 MHz Saturday May 10, 2025. More information and rules are posted at: https://sites.google.com/site/springvhfupsprints/2025-information Please post your claimed scores and comments to the 3830 Contesting site: https://www.3830scores.com/index.php 73, Pete, n6ze@... QTH: Thousabd oaks, ca (dm04ne) NOTE**: N6ZE plans 223.5 MHz FM Simplex & 222.1 MHz SSB from top of Tarantula Hill in Thousand Oaks from 1830PDT until 1925PDT to work as many as possible in Ventura Co, participate in 222 SPRINT, & Tuesday evening nationwide 222 activity night. NOTE

Reminder: 10M Local Net 1600 PDT 28.395 USB When: Sunday, April 20, 2025 4:00pm to 4:30pm (UTC-07:00) America/Los Angeles Organizer: David Schmidt View Event Description: 1600 PDT 28.395 Mhz USB If the frequency is busy, check 5 Khz below or above as we may have moved there Get on the air and see who you can hear! A good way for Technicians to participate on HF as they are allowed a small slice of 10M. Edit: Moved time to 4pm (0000 UTC) so we are not in the last hour of various contests through the year.

We had a nice turnout and pretty good weather at our Portable Radio and Help session + ARRL Ham Radio Open House day. The Sun was welcome, but the winds we could have done without. I counted 19 signatures in the log, 2 of which were new hams and excited to see folks playing radio. As far as I know, nobody came based on my NextDoor posting of the event nor because of our listing on the ARRL website for a 'Ham Radio Open House'. We will be holding these Portable Radio and Help events once every month on Saturday, our next one scheduled for May 17th. Separately, I have Easter plans this Sunday and will not be able to host the 10M net. Sorry, but don't use that as an excuse not to get on the air yourself and hear who you can reach! Thanks again for today! Dave AI6VX

Reminder: Portable Operations and Help Session When: Saturday, April 19, 2025 11:00am to 2:00pm (UTC-07:00) America/Los Angeles Where: Grace Lutheran Church 6190 Telephone Rd, Ventura 93003 Organizer: Dave Schmidt info@... View Event Description: What better way to get familiar with your radio and equipment than to come out and use it! We'll be meeting at the covered picnic area and you can set your antennas up in the adjacent grassy field. Are you a new ham and have questions? Do you need help with a radio? Are you not yet licensed and want to know what this hobby is all about? Come and visit. We'll have many Elmers to answer your questions.

Reminder that tomorrow (Saturday) our club will be holding a Portable Radio Operations, Radio Help / ARRL Ham Radio Open House event at Grace Lutheran Church in the picnic area. Please come out with your radios and antennas, setup and make some contacts. I’ll bring the club banner and some business cards for our club. Field Day 2025 is only 2 months away! Bring what you plan on using at FD to get some practice. Fingers crossed there are no solar flares. I will bring charcoal and my propane griddle if anyone wants to bring their own food and cook something for themselves. See you tomorrow!! Dave Ai6vx

7.260 tonight

For those that I purchased the TBJ-1 antennas from the group buy, they’ve arrived. I will bring them this Saturday to the Portable Operations / Help / ARRL Ham Open House at Grace Lutheran Church. This event will be from 11AM until 2PM. Dave AI6VX

Thanks to Dave, AI6VH and Ed, WB6IQN for supplying a bunch of us with all the antennas! I look forward to using the DBJ-1 as a portable base antenna for my next public service event. It works great. And if you need a 5 ft. piece of PVC to finish your antenna, please let me know and I'll bring it to the next VCARC meeting. 73, Tom W?UFC

Have one for sale, brand new, not taken out of boxes. Hermes Lite N2ADR Filter Board Case To put it together, you should have some non-conductive thermal paste, and sandpaper, or some way to scrape the paint out of about 2in square inside of the case for the heatsink. (Actually, I can include some thermal paste if you don't have any...) 5 watt, 10-160m all mode. Don't buy this if you're not computer literate. Sell for the exact price I paid - $338. With tariffs, this may be the last time you can get your hands on one! I'll have mine at the Open House this Saturday, if you want to see a Hermes Lite.