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Hi Everyone. The next 285 TechConnect Radio Club meeting will be held on Saturday, October 5, 10AM, at the Bridge Church at Bear Creek, North of Hwy 285 & Kipling. We have coffee & doughnuts at 9:30 so come early for the best seats. This months topic is: Amateur Radio Applications for High Altitude Weather Balloons - Jim Langsted (KC0RPS) The meeting is in the 2nd floor conference room at the Church, near Hwy 285 and Kipling. The door code is 28582#. Someone should be monitoring 146.520 if anyone has trouble getting in. See the club website for complete directions to the church. Please park on the West side and enter through the West-side door. Stairs will be on your right, and an elevator is available. 73, Tony Montoya, K0mcw NA0TC Program Coordinator Virus-free.www.avast.com

Hi all, TechFest is fast approaching (I know it's still August, but Nov 2 will be here before we know it). I REALLY REALLY REALLY need some people to sign up to help out with the event this year. I have a heavy travel schedule this fall and my bandwidth will be very tight. If we're going to pull this off, I need club members to step up and pitch in. I have nearly nailed down all of the speaker slots, so I mainly need help on event logistics: setup/breakdown, food/beverage, PR, signage, talk-in, signage, etc. I've created a sign-up sheet here: https://volunteersignup.org/4FE87 Please check it out and sign up for whatever you can. Also if you're interested in being the lead in one or more of the areas, drop me a note to let me know please. It's more than OK for people to sign up for more than one thing, provided they don't conflict. Thanks in advance, Mark -- --------------------- Mark Ehr | K0EHR President, 285 Tech Connect Radio Club Littleton, Colorado k0ehr@... Check out my ham radio blog: https://k0ehr.tech QRZ profile

Hi all, As most of you probably know, we will be hosting our annual Tech Fest on Saturday November 2nd. The Tech Fest is an event where we have presenters cover technical topics of interest. As an example, last year we had presentations on the ARRL Clean Signal Initiative and Selecting an HF Transceiver, Using NanoVNAs, Amateur Radio and Starhaven Observatory, 3D Printing and APRS. I'm actively looking for hams that would be willing to present on an area of interest. The presentations will run approximately 45 minutes and can be PowerPoint, demonstrations, or any combination. Topics requested by last year's attendees were antennas, digital radio, operating with satellites, grounding, and using the club remote station. If you're interested in presenting, please send me a message. Thanks and 73, Mark -- --------------------- Mark Ehr | K0EHR President, 285 Tech Connect Radio Club Littleton, Colorado k0ehr@... Check out my ham radio blog: https://k0ehr.tech QRZ profile

Hi everyone, Robb will be out of town for a few weeks in September, so we're looking for someone to step in and serve as a substitute net controller for him on September 3, 10, and 17. If you're interested in helping out, please let me know and I'll set you up with the net script and can answer any questions. If no one else steps up, I can take the 3rd and 17th but I'll be out of town on the 10th so we definitely need someone to cover that date. Thanks and 73, Mark -- --------------------- Mark Ehr | K0EHR President, 285 Tech Connect Radio Club Littleton, Colorado k0ehr@... Check out my ham radio blog: https://k0ehr.tech QRZ profile

Hello. The September 7, 285 TechConnect Radio Club Meeting is scheduled to be adjacent to the Lakewood Stone House, 2900 S. Estes St., Lakewood, CO. https://www.google.com/maps/place/2900+S+Estes+St,+Lakewood,+CO+80227/@39.665524,-105.0965619,843m/data=!3m2!1e3!4b1!4m6!3m5!1s0x876b81b8f9c672fd:0x95dbde762918f28b!8m2!3d39.665524!4d-105.093987!16s%2Fg%2F11bw3xmxqv?entry=ttu The September meeting location is near our regular meeting venue. Robert Polson N0CFM, is setting up an on foot transmitter hunt starting at 9:30. if you are interested come by early to get the full experience. See below for details. Otherwise, just come by and bring your portable radios or handhelds for some fun playing and talking radio. There might be chairs and tables at the venue, but bring a chair just in case. Looking forward to enjoying some fall weather. See you there. Tony Montoya -K0mcw K0mcw@... 285 TechConnect Radio Club Program Coordinator Next Transmitter Hunt: On foot hunt at Bear Creek Greenbelt Park. 2900 S Estes St. Date: Saturday September 7th, 2024(weather permitting) Time: Start 9:30am - End 12:30pm Frequency: 15 mW 146.445 MHz. 15 mW 146.565 MHz. ( Will be well hidden) 1/2 Watt 146.400 MHz. 1 Watt 146.490 MHz. Power: 1 watt, 1/2 watt, 15mW. What the transmitter sounds like: 1 Watt and 1/2 Watt - A series of musical sounding tones followed by my Callsign in CW (N0CFM) 15mW - My call sign (N0CFM) repeatedly in CW. Time of transmitters: 146.445 MHz. 45 seconds on 10 seconds off 146.565 MHz. 45 seconds on 5 seconds off 146.400 MHz. 45 seconds on 3 seconds off 146.490 MHz. 50 seconds on 50 seconds off Boundaries: the transmitters will be within the Bear Creek Greenbelt Park. The location has Restrooms Hunt area: North Boundary: West Yale Ave. West Boundary: South Estes St. South Boundary: stay within the greenbelt area NO transmitters will be hidden inside the apartments to the south. East Boundary: Wadsworth Blvd. Checkin: Will be the parking area on west side of greenbelt located at 2900 S Estes St. I will monitor the 146.550 Simplex Frequency during the hunt, or call me for any help during the hunt. (Remember not to transmit through attenuation devices.) My contact info: Robert N0CFM@... 407-403-2658 To get on the list for future hunts shoot me an email and I will add you to our list. Purpose: To further enjoy the amateur radio hobby, and socialize with our local amateur operators. As well as practice useful skills in radio direction finding. Please as always use your best judgment and safe practices in finding the hidden transmitter. The goal is to enjoy your hunt. Link for building a 2 meter Tape measure antenna. VHF 3EL Tape Measure Yagi. – NT1K – Welcome If you do not have attenuation you can scroll up or down a few hertz to weaken the input signal. Can also use just an HT and body fading. Hold the HT close to your chest and spin around slowly. Listening for a null Having an actual attenuator helps a lot. Another method to attenuate when close to transmitter is listening to the third harmonic. Just multiply the transmitter frequency by 3 and enter that 440 MHz frequency into the radio. ( do not transmit through attenuator it can damage it)

Who knew that Lucille Ball could explain RF induction and transmitter hunting through dental work to Dick Cavett? https://www.facebook.com/share/r/KGGeFnNAKFZM4sC8/?mibextid=UFLBuX -- --------------------- Mark Ehr | K0EHR President, 285 Tech Connect Radio Club Littleton, Colorado k0ehr@... Check out my ham radio blog: https://k0ehr.tech QRZ profile

Finally...! Grand Prize: HF Go Kit (Icom IC-705/Backback/Chameleon Antenna) (with RT Systems programming kit) – Joshua Moore, WG6C (#10737) Second Prize: Icom IC-52A VHF/UHF Dual Band D-Star Transceiver (with RT Systems programming kit) (Donated by CMRG) – Hans Post, KF0LAX (#5078) Third Prize: Icom ID-5100A Dual Band Mobile (with RT Systems programming kit) – Jay Burnham, KB0MPF (#1812) Fourth Prize: LDG AT-1000ProII Antenna Tuner – Dean Buckhouse, KB0VVA (#4751) Fifth Prize: Yaesu FTM-300R Mobile Transceiver (with RT Systems programming kit) – Rob Roller, N7LV (#10171) Sixth Prize: Icom ID-50A Handheld Transceiver (with RT Systems programming kit) – Chuck Lucas, WG5X (#1100) Seventh Prize: Anytone AT-D878UVII-Plus DMR Handheld (with RT Systems programming kit) – Jim Gibson, KS4F (#7144) Eighth Prize: Powerwerx Pwrbox-10 Mini Portable Power Box – Michael Scott, KF0LWE (#5008) Ninth Prize: Yaeu FT-70DR Dual Band Handheld Transceiver (with RT Systems programming kit) – Kathy Wildmand, AE0UX (#3674) Tenth Prize: Samlex SEC-1235M Power Supply w/meter – Jonathan Cotten, AG5HV (#10511) Eleventh Prize: Zum Radio Mini 1.3 Mini UHF Hotspot – Phebe Swope, K1PCS (#180) Twelfth Prize: Powerwerx Powerpole Case 150 Piece assorted – Jeremy Broin, KF0PVI (#6539) -- --------------------- Mark Ehr | K0EHR President, 285 Tech Connect Radio Club Littleton, Colorado k0ehr@... Check out my ham radio blog: https://k0ehr.tech QRZ profile

Hi Everyone. The next 285 TechConnect Radio Club meeting will be held on Saturday, August 3, 10AM, at the Bridge Church at Bear Creek, North of Hwy 285 & Kipling. We have coffee & doughnuts at 9:30 so come early for the best seats. We will try something new for the August meeting. We will be making one or two projects to take home. Both will make use of your soldering skills, but using different methods. Larry Wein (K0NA) with lead a demo project on using surface mount technology and Corey McDonald (N5YCO) will lead a project building a 2 band HT flexible antenna. There will be a limited number of HT antenna kits and we are asking for a $12 dollar contribution (how about rounding up to $15 and anything left over will be donated to the club?). That would be about half the cost of purchasing a "super flexible signal stick" antenna. We are looking for a strong turn out to see if we want to do more complex projects in the future. The meeting is in the 2nd floor conference room at the Church, near Hwy 285 and Kipling. The door code is 28582#. Someone should be monitoring 146.520 if anyone has trouble getting in. See the club website <http://na0tc.org/doku.php?id=meetings> for complete directions to the church. Please park on the West side and enter through the West-side door. Stairs will be on your right, and an elevator is available. Looking forward to seeing everyone. 73, Tony Montoya K0mcw NA0TC Program Coordinator -- This email has been checked for viruses by Avast antivirus software. www.avast.com

New openSPOT4 Pro delivered today. Connected to my home network. SharkRF website says it’s connected to 3103.adn.systems (Brandmeister server for central US). My HT connection to the hotspot is confirmed. But can’t hit any Brandmeister talk groups. Time slot 1 (though SharkRF says either 1 or 2 will work) Color code 1 (which is supposed to be the hotspot default, though I can’t find it in the settings) Using the same TGs that work through local DMR repeaters. Any idea what I might have missed? Thanks for any help! Bill K1BP -- Bill Karsell K1BP

Hello. Reminder – There is no 285 TechConnect Radio Club Meeting for July. For the August 3, 2024 meeting we are planning a Make and Take, hands on project build and need your input. Please respond to the following short questionnaire by June 30, 2024 to help out the project leads. https://s.surveyplanet.com/ptak0v43 Background – We are planning on running three Take and Make stations at the August 3, 2024 285 NA0TC TechConnect Radio Club Meeting and need club members input to help plan. The three stations are: Larry Wein – Surface Mount Demo Project Cory McDonald – Super flexible HT antenna (Similar to the Signal Stick) Robert Polson – Portable Directional Measuring Tape Antenna We won’t have time for everyone to run through all three stations, so we need to get an idea of member preferences for each project so the leads can purchase parts and supplies. Please fill out the short questionnaire by June 30, 2024 so we can plan for the event. (Please respond even if you can’t make the event or are unsure!) We are looking forward to another great program and hope you can participate. For questions: Tony Montoya – k0mcw ahmontoya@... 285 TechConnect Radio Club Program Coordinator

I'm still learning DMR. When I switch to a DMR talk group on my HT via a local repeater, I have to kerchunk the repeater before I can hear any traffic. I know that people in the TG can hear me announce my callsign, which seems rude if they're having a QSO. Is it better to kerchunk without speaking? That also seems rude. What's appropriate? -- Bill Karsell K1BP

Hi Everyone. Happy Memorial Day The next 285 TechConnect Radio Club meeting will be held on Saturday, June 1, 10AM, at the Bridge Church at Bear Creek, North of Hwy 285 & Kipling. We have coffee & doughnuts at 9:30 so come early for the best seats. We had a last minute program change. Larry Wein, K0NA has graciously agreed to present on short notice. Shout out to Larry… This month’s topic is: HF Radio Wave Propagation . The basics of HF radio wave propagation using a visual aid, NEC antenna modelling to illustrate angle of radiation vs height, and the use of VOACAP to help identify the optimum time to work a station. The meeting is in the 2nd floor conference room at the Church, near Hwy 285 and Kipling. The door code is 28582#. Someone should be monitoring 146.520 if anyone has trouble getting in. See the club website for complete directions to the church. Please park on the West side and enter through the West-side door. Stairs will be on your right, and an elevator is available. 73, Tony Montoya, K0mcw NA0TC Program Coordinator

Thinking of adding a mobile radio to a new car and would like to hire a pro. Any recommendations? -- Bill Karsell K1BP

Hi Everyone. The next 285 TechConnect Radio Club meeting will be held on Saturday, May 4, 10AM, at the Bridge Church at Bear Creek, North of Hwy 285 & Kipling. We have coffee & doughnuts at 9:30 so come early for the best seats. This months topic is: Pizza Party and Show and Tell - Please bring some cool stuff to show off! The meeting is in the 2nd floor conference room at the Church, near Hwy 285 and Kipling. The door code is 28582#. Someone should be monitoring 146.520 if anyone has trouble getting in. See the club website for complete directions to the church. Please park on the West side and enter through the West-side door. Stairs will be on your right, and an elevator is available. 73, Tony Montoya, K0mcw NA0TC Program Coordinator Virus-free.www.avast.com

Just passing this on. A Win11 tablet could be a nice portable device, if you want to run things such as Winlink over Vara. https://www.parkerradio.org/community/ham-gear/microsoft-surface-pro-7-windows-tablet/#post-2214