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Author Archives: KC3CVN

Bob Bruninga WB4APR’s APRS Talk at HacDC Amateur Radio Club 10/14/15

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Field Day 2015

HacDC Amateur Radio Club operated Field Day from Hains Point in Washington DC June 27.  Conditions started with heavy rain and graduated to an actual flooding of the Potomac River over the bank and onto the QTH. Field Day Roster Don K6ZO Pat K0OO Patrick KC3CVN Andy KC9WER Phil Kc3CIG Sumter KM4ITT Darien AB3WB Christine KC3CIF … Continue reading »

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W3HAC Net Moves to 9pm Monday on KC3VO Repeater

More information here.  

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W3HAC Weekly Net: 1/13/15

The 1/13/15 W3HAC Net was held on the K3VOA 70cm Repeater (448.575-, no PL) due to antenna problems with the K3VOA 2-Meter repeater. Surprisingly, all three checkins were made from HT radios and the signal was quite clear. KC3CIF’s signal was generally better that that heard on the VHF repeater. Checkins were: – KC3CVN Patrick … Continue reading »

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W3HAC Makes 66 Contacts in 160m Stew Perry Topband Distance Challenge

ARRL-SECTION: MDC CALLSIGN: W3HAC CONTEST: STEW-PERRY CATEGORY: MULTI-ONE 160M LOW CW CLAIMED-SCORE: 189 OPERATORS: K0OO, K6ZO ADDRESS: Washington, DC ADDRESS: USA Continue Reading for Log.

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W3HAC Scores 5,012 Points in RAC Winterfest

ARRL-SECTION: MDC CALLSIGN: W3HAC CONTEST: RAC CATEGORY: MULTI-ONE ALL LOW MIXED CLAIMED-SCORE: 5012 OPERATORS: K0OO K6ZO ADDRESS: Washington, DC ADDRESS: USA Continue Reading for Log

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VOARadiogram MFSK32 Reception with FLDigi

From my KC3CVN station I was able to receive the VOA Radiogram: a digital shortwave broadcast of text and images from the Voice of America.  The Radiogram is broadcast in MFSK32, a digital mode popular in amateur radio.  I was unable to decode the images properly for some reason. More information at the VOA Radiogram … Continue reading »

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W3HAC Weekly Net: 12/23/14

The first W3HAC Weekly Net was a great success with 6 checkins on the K3VOA Repeater. Checkins: KC3CVN – Patrick – Capitol Hill (Net Control) W3HAC/K6ZO – Don – HacDC KC3CIF – Christine – Glover Park K0OO – Pat – Floating in NW KD9XB – Kim KC9WER Andy Net Summary: K6ZO announced W3HAC has a … Continue reading »

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W3HAC Weekly Net

The K3VOA ARC has given us a green light for a weekly net on their VHF repeater, Tuesday nights at 8pm. This repeater seems to have the best coverage and be the most reliable in DC. Here is the info: When: Tuesdays 8pm Frequency: 147.045+ (input frequency 147.645) PL Tone: None Purposes of the W3HAC … Continue reading »

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Space Weather & Ionospheric Radio Propogation

Here is the video from Dr. Chua’s 12/10/14 presentation at HacDC. Dr. Damien Chua works at the Naval Research Laboratory and presents a survey of ionospheric variability and its effects on RF Communications.  He first reviews the process of radio wave propagation and reflection in the ionosphere.  He then examines how the ionosphere varies spatially and … Continue reading »

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